Hawker Service Bulletin Master Index
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 00
General Introduction
SB 00-12
May 2008
3
O
00
General/Introduction - A cross reference listing
is provided listing North American (NA)
reference numbers against serial (constructors)
numbers
DH/BH/HS/BAe 125 Series 3 A/RA, 400A, 700A,
800A and 1000A
SB 00-2001
May 2007
6
O
00-00
General - Hawker Beechcraft Publications –
What Is Available and How to Obtain It
All Hawker Beechcraft Corporation non-military
airplane models in service.
SB 00-3000
Sep 1997
1
O
00-00
General - Publications - Information on the
Introduction of a New Service Bulletin Format
and Numbering System
All Beech models; All DH/BH/HS/BAe 125 series
1 to 1000 (including major variants: C29A and
U125); All Hawker 800 (including major variant:
U125A), Hawker 800XP and Hawker 1000; All
Raytheon Aircraft models; All Mitsubishi MU300
and MU300-10 models.
SB 01-22
May 2006
2
O
01
Certification Documents - General - To
Introduce Changes to Meet ISRAELI
Certification Requirements
Hawker 800XP, Serials 258279, 258283, 258391
and 258538.
12/24/2008
Page 1 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 01
Certification Documents
SB 01-1
Apr 1995
-
I
01
Certification Documents - General - To
introduce the conversion of a series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000B aircraft 259021
SB 01-11
Oct 1995
-
I
01
Certification Documents - General - To
introduce the conversion of a Series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000B aircraft 259024
SB 01-14
Oct 1995
-
I
01
General - The conversion of Hawker 800
aircraft 258261 to meet Brazilian certification
requirements.
Series 800 aircraft 258261
SB 01-19
Oct 1995
-
I
01
General - To introduce the conversion of a
series 800B aircraft to a series 800A aircraft
BAe 125 Series 800B aircraft 258182
SB 01-2
Dec 1994
-
I
01
General - To introduce omnibus completion
modification including changes for public
transport category
Hawker Series 800 aircraft 258258
SB 01-20
Nov 1995
-
I
01
To introduce the conversion of a Series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000 aircraft 259026
SB 01-21
May 1996
-
I
01
Certification Documents - General - To
introduce the conversion of a Series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000B aircraft 259030
SB 01-23
Jul 2001
1
O
01
Certification Documents - General - To
Introduce Changes to Meet ISRAELI
Certification Requirements.
Hawker 800XP, Serials 258279, 258283, 258391
and 258538.
SB 01-24
May 2006
2
O
01
Certification Documents - General - To
Introduce Changes to Meet ISRAELI
Certification Requirements.
Hawker 800XP, Serials 258279, 258283, 258391
and 258538.
SB 01-25
Aug 1996
-
O
01
General - To introduce the conversion of a
series F400B aircraft to a series 400A aircraft
HS 125 Series F400B aircraft 25248
SB 01-26
Aug 1996
-
O
01
General - To introduce the conversion of a
series F400B aircraft to a series 400A aircraft
HS 125 Series F400B aircraft 25248
SB 01-27
Nov 1996
-
I
01
General - To introduce the conversion of a
series 700B aircraft to a series 700A aircraft
HS 125 Series 700B aircraft 257127
12/24/2008
Page 2 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 01-28
Apr 1997
-
O
01
General - To introduce the conversion of a
series 700B aircraft to a series 700A aircraft
HS 125 Series 700B aircraft 257046
SB 01-3
Mar 1995
-
O
01
Certification Documents - General - To
introduce the conversion of a BAe 125 series
800B aircraft to a BAe series 800A aircraft to
meet requirements for swedish airworthiness
registration.
HS 125 Series 800B aircraft 258079
SB 01-3009
Apr 1998
-
O
01
To introduce the conversion of a series 600B
aircraft to a series 600A aircraft.
HS 125 Series 600B aircraft 256053
SB 01-3043
Nov 1997
-
O
01
To introduce the conversion of a series 1000B
aircraft to a series 1000A aircraft.
BAe 125 Series 1000B aircraft 259031
SB 01-3160
Nov 1998
1
O
01
To introduce the conversion of a Series 800B
Aircraft to a Series 800A Aircraft
BAe 125 Series 800B, Serial 258112
SB 01-3161
Mar 1998
-
O
01
To introduce the conversion of a series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000B aircraft 259032
SB 01-3162
Jan 1998
-
O
01
To introduce the conversion of a Hawker 800
from the B configuration to an A configuration.
Hawker 800 aircraft 258258.
SB 01-3176
Mar 1998
-
O
01
To introduce the conversion of a series 800B
aircraft to a series 800A aircraft.
BAe 125 Series 800B (258177)
SB 01-3177
Mar 1998
-
O
01
To introduce the conversion of a series 700B
aircarft to a series 700A aircraft
HS 125 Series 700B aircraft 257094
SB 01-3193
May 1998
-
O
01
To introduce the conversion of a series 1000B
aircraft to a series 1000A aircraft
BAe 125 Series 1000B Serial 259007
SB 01-3194
Jun 1998
1
O
01
To introduce the conversion of a series 700B
aircraft to a series 700A aircraft
HS125 Series 700B Serial 257100
SB 01-3196
Nov 1998
1
O
01
To introduce the conversion of a series 400B
aircraft to a series 400A aircraft
HS125 Series 400B Serial 25243
SB 01-3208
Nov 1998
1
O
01
To introduce the conversion of a Series F600B
aircraft to a Series 600A aircraft with
modification 252468
HS 125 Series F600B, Serial 256029
SB 01-3220
Nov 1998
-
O
01
Certification Documents - General - To
introduce the conversion of a Series 600B
Aircraft to a Series 600A Aircraft
HS 125 Series 600B, Serial 256017
12/24/2008
Page 3 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 01-3246
Jan 1999
-
O
01
To introduce the conversion of a Series 600B
Aircraft to a Series 600A Aircraft
HS 125 Series 600B, Serial 256057
SB 01-3247
Jan 1999
-
O
01
To introduce the conversion of a Series 800B
Aircraft to a Series 800A Aircraft
BAe 125 Series 800B, Serial 258212
SB 01-3285
Mar 1999
-
O
01
To introduce the conversion of a Series F600B
aircraft to a Series 600A aircraft
HS 125 Series F600B, Serial 256008
SB 01-3286
Feb 1999
-
O
01
To introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257062
SB 01-3295
Mar 1999
-
O
01
To Introduce the Conversion of a Series F600B
Aircraft to a Series 600A Aircraft
HS 125 Series F600B, Serial 256006
SB 01-3302
Mar 1999
-
O
01
To Introduce the Conversion of a Series 800B
Aircraft to a Series 800A Aircraft
BAe 125 Series 800B, Serial 258237
SB 01-3305
Jun 1999
-
O
01
To introduce the conversion of a Series 600B
Aircraft to a Series 600A Aircraft
HS 125 Series 600B, Serial 256037
SB 01-3306
Aug 1999
-
O
01
To introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257034
SB 01-3319
Jun 1999
-
O
01
To introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257209
SB 01-3337
Dec 1999
1
O
01
To introduce the conversion of a Series 600B
Aircraft to a Series 600A Aircraft
HS 125 Series 600B, Serial 256060
SB 01-3347
Nov 1999
-
O
01
To introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257118
SB 01-3350
Nov 1999
-
O
01
To introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257007
SB 01-3367
Nov 2001
1
O
01
* Superseded by SB 01-3370
HS 125 Series 600B, Serial 256035.
SB 01-3370
Sep 2002
3
O
01
Converting 600B/F600B to 600A Type Design
(See 14 CFR 21.183 (d)(1) or equivalent.)
Hawker Siddeley Model HS.125 Series
600B/F600B, Serials 256024, 256035, 256045
and 256048.
SB 01-3382
Dec 1999
-
O
01
To Introduce the conversion of a Series 700B
Aircraft to a Series 700A Aircraft
HS 125 Series 700B, Serial 257031
SB 01-3383
Apr 2000
-
O
01
To introduce the conversion of series 1000A
aircraft to series 1000B Aircraft
BAe 125 Series 1000A, Serial 259008.
12/24/2008
Page 4 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 01-3384
Feb 2000
1
O
01
Certification Documents - General – To
introduce the conversion of a Series 800B
aircraft to a series 800A Aircraft
BAe125 Series 800B, Serial 258228.
SB 01-3392
Jan 2007
10
O
01
Certification Documents - To introduce the
conversion of series 800B Aircraft to series
800A Aircraft
This Service Bulletin has been revised to add
aircraft serial number 258219 to the effectivity.
BAe.125 Series 800B, Serial Numbers 258028,
258085, 258088, 258091, 258097, 258120,
258165, 258192, 258197, 258208, 258219 and
258243.
SB 01-3425
Feb 2004
1
O
01
CERTIFICATION DOCUMENTS - TO
INTRODUCE THE CONVERSION OF SERIES
F400B AIRCRAFT TO SERIES 400A
AIRCRAFT
Hawker Siddeley Model HS.125 Series F400B,
Serial 25227 and 25248.
SB 01-3437
Jan 2006
2
O
01
Certification Documents - To Introduce the
Conversion of Series 700B Aircraft to Series
700A Aircraft
Hawker Siddeley Model HS.125 Series 700B,
Serials 257064, 257115, 257136, 257208 and
257210.
SB 01-3670
Apr 2005
1
O
01
CERTIFICATION DOCUMENTS - TO
INTRODUCE THE CONVERSION OF SERIES
1000B AIRCRAFT TO SERIES 1000A
AIRCRAFT
BAe.125 Series 1000B, Serial Numbers 259008
and 259028.
SB 01-3686
Dec 2004
1
M
01
Certification Documents - Supplemental
Constructor Data Plate Installation
BAe.125 Series 800A (C-29A), Serials 258129,
258131, 258134, 258154, 258156 and 258158.
SB 01-3776
Mar 2006
-
O
01
Certification Documents - General - To
Introduce the Conversion fo a Model 800XP
Aircraft to a Model 850XP Aircraft
Hawker 800XP, Serials 258750 through 258788,
258795 and 258802.
SB 01-3902
Dec 2008
-
O
01
Certification Documents - Increased Gross
Weight Kit Installation
Model 4000 Serials RC-7 through RC-28.
SB 01-4
Apr 1995
1
I
01
General - To introduce the conversion of a BAe
125 series 800B aircraft to a BAe series 800A
aircraft to meet FAA airworthiness
requirements.
BAe 125 Series 800B aircraft 258110
SB 01-5
Jun 1995
-
I
01
General - To introduce the conversion of a
series 1000B aircraft to a series 1000A aircraft
BAe 125 Series 1000B aircraft 259034
SB 01-6
Aug 1995
2
I
01
General - To complete the embodiment of U.K.
mods in the U.S.A. and delete ferry provisions
for the aircraft ferried on special category
certificate of airworthiness
Hawker 800XP aircraft 258266
12/24/2008
Page 5 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 01-8
Nov 1996
Rev No
*Class
Chapter
1
I
01
Description
Effectivity
To introduce the conversion of a Series 800B
aircraft to a series 800A aircraft
BAe 125 Series 800B aircraft 258002
12/24/2008
Page 6 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 09
Towing and Taxiing
SB 09-1
Dec 1967
-
I
09
To introduce improved towbar. To reduce shear
pin breakage.
Series 1, 1A, 1B, 3, 3A, 3/AR, 3B and 3B/R
SB 09-2
Sep 1976
1
O
09
To introduce standard towbar for all series
aircraft.
Model DH 125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A, Model BH 125 Series 400A,
Model HS 125 Series 1, 1-521, 1B, 1B-522,
1B/R-522,1B/S-522, 3B, 3BRA, 400B
12/24/2008
Page 7 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 10
Parking and Mooring
SB 10-1
May 1966
-
I
10
Parking and Mooring - Engine intake and jet
engine exit covers - To modify hook assemblies
Series 1, 1A and 1B
SB 10-2
Sep 1965
-
R
10
Parking and Mooring - To introduce modified
bleed valve cover assembly
Series 1, 1A & 1B
SB 10-3
Sep 1965
-
O
10
Parking and Mooring - To introduce a modified
dorsal air intake blank
Series 1, 1A & 1B
SB 10-4
Nov 1967
-
I
10
Parking and Mooring - To introduce modified
bleed valve cover assembly
Series 1, 1A, 1B, 3, 3A, 3A/R, 3B & 3B/R
SB 10-5
Feb 1968
-
O
10
Parking and Mooring - To introduce modified jet
exit covers
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3, 3A, 3A/R, 3A/RA,
3B, 3B/R, 3B/RA, Mod.251895 and 255811
SB 10-6
Nov 1989
-
R
10
Restricted - See Remarks
Series 800A C-29A (aircraft 258129 and 258134)
12/24/2008
Page 8 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 11
Placards and Markings
SB 11-1
Jun 1969
1
R
11
Required Placards - To introduce labels in
Portuguese in place of English throughout
Aircraft
Aircraft 25162, 25165, 25166 & 25167 for Brazil
SB 11-10
Jul 1974
1
R
11
Required Placards/Power Plant/Oil - Deletion of
Castrol 98 for Viper 601 engines
Model BH. 125 Series 600A Serials 25/6001,
6002, 6003, 6004, 6007, 6009, 6010, 6011, 6013,
6014, 6016, 6018, 6020, 6022, 6023, 6025, 6026
& 6032 Model HS.125 Series 600B Serials
25/6005, 6006, 6008, 6012, 6015, 6017, 6019,
6021, 6024, 6027, 6028, 6029, 6030 & 6031.
25/256 & 258
SB 11-11A
Jan 1975
1
R
11
Required Placards - Aircraft General - To
introduce increased operating speeds and
weights
Model BH. 125 Series 600A Serials 25/6001,
6002, 6003, 6004, 6007, 6009, 6010, 6011, 6013,
6014, 6016, 6018, 6020, 6022 & 6023
SB 11-11B
Jan 1975
1
R
11
Required Placards - Aircraft General - To
introduce increased operating speeds and
weights
Model HS.125 Series 600B Serials 25/6005,
6006, 6008, 6012, 6015 and 6017, 25/256 and
258
SB 11-11C
Nov 1983
2
O
11
Required Placards / Aircraft General - To
introduce increased operating speeds and
weights
Model BH. 125 Series 600A Serials 25/6001,
6002, 6003, 6004, 6007, 6009, 6010, 6011, 6013,
6014, 6016, 6018, 6020, 6022, 6023, 6024, 6025,
6026, 6032, 6034, 6038, 6040, 6044, 6046, 6047,
6051, 6055, 6061, 6066, 6067, 6068, 6069, 6070
and 6071
SB 11-11D
Jan 1975
1
O
11
Required Placards - Aircraft General - To
introduce increased operating speeds and
weights
Model HS.125 Series 600B Serials 25/256 and
258, 25/6005, 6006, 6008, 6012, 6015, 6017,
6019, 6021, 6024, 6027, 6028, 6029, 6030, 6031,
6033, 6035, 6037, 6041, 6042, 6043, 6045, 6050,
6052, 6053 and 6054.
SB 11-12
Mar 1986
2
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel ramp and take-off
weights. Aircraft re-designated Series SB/RC
Model HS. 125 Series 3B/RA serials 25/113, 140,
143, 144, 147, 154, 162, 164 to 169, 171 and 172
SB 11-13
Nov 1974
-
R
11
Required Placards - Galley and Toilet
Compartments - Revised and new labels
introduce o improve safety precautions
Model HS.125 Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA, 400B, 401B,
403B and 600B
12/24/2008
Page 9 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 11-14
May 1975
-
O
11
Required Placards - Operating Limitations
Label - New label introduced giving minimum
oil temperature for starting -40 degrees C
Model DH. 125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A Model BH. 125 Series 400A
Model HS. 125 Series 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA, 400B, 401B and
403B
SB 11-16
Nov 1980
2
O
11
Required Placards - Operating Limitations
Label - New label introduced increasing
maximum take-off weight to 25,500lb
Series 700A aircraft post mod 252648 & 700B
SB 11-17
Oct 1981
1
I
11
Placards and Markings - To increase maximum
take-off weight to 25,500lbs
Series 600A with Mod 252468 and F600B
SB 11-18
Jun 1987
4
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
All 125 Series 700B and Series 700A post
Mod.252648
SB 11-18A
Jun 1987
-
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700B aircraft 27/7166, 7169, 7172,
7175, 7178, 7181, 7183, 7189, 7190, 7194 and
7200 plus future 700B aircraft with Collins ADS 80
Air Data System.
SB 11-18B
Feb 1984
-
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700B aircraft
SB 11-18C
Jun 1987
4
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700B aircraft
SB 11-18D
Nov 1983
-
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700A aircraft post Mod 252648
SB 11-18E
Oct 1986
3
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700A aircraft with ADS 80K Air Data
System
SB 11-18F
Jun 1987
-
I
11
Required Placards - Zero fuel weight increased
from 16,050 lbs to 16,300 lbs
125 Series 700A aircraft 25/7001
SB 11-19
Mar 1985
1
R
11
Placards and Markings - To introduce a
windscreen warning label
BAe 125 Series 800A & 800B aircraft
SB 11-2
May 1969
-
O
11
Required Placards - To introduce new
limitations label
Series 1A-521 1B-521 1A-522 1B-522 1A/S-522
1B/S-522 3A 3B (Not A/C 25015)
SB 11-20
Jul 1985
-
I
11
Required Placards - Zero fuel weight increase
from 14,700 lbs to 15,200 lbs
HS 125 Series F400B aircraft 25248
SB 11-21
Jan 1987
1
I
11
Required Placards - Zero fuel weight increase
from 14,700 lb to 15,200 lb
Part B BH 125 Series 403B, Part C BH/DH 125
Series 400A post Mod 252550 , Part D BH/DH/HS
125 Series F400B aircraft
12/24/2008
Page 10 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 11-22
Nov 1989
-
R
11
Restricted - See Remarks
Series 800A C-29A aircraft 258129 & 258134
SB 11-23
Dec 1989
-
R
11
Restricted - See Remarks
Series 800A C29A aircraft 258129, 258131 &
258134)
SB 11-24
Jan 1992
-
O
11
Placards and Markings - Instrument Panels To relocate 'Ventral Tank not empty VMO 280'
Label on L.H. and R.H. Instrument Panels
Series 800B
SB 11-25
Dec 2000
1
O
11
Interior Placards - Operating Limitations Maximum zero fuel weight increased to 17,750
lb. from 17,520 lb.
BAe.125 Series 800A Pre-Mod 253169A,
Post-Mod 259579A.
SB 11-26
Jan 1993
-
O
11
Placards and Markings - To introduce revised
aircraft registration number
Series 1000B aircraft 259026
SB 11-27
Aug 1993
-
I
11
Placards and Markings - To introduce external
labels in Russian.
Series 1000 aircraft 259029
SB 11-29
Sep 1993
-
I
11
Placards and Markings - Interior Placards Operating Limitation - Maximum zero fuel
weight increased to 20,400 lb. from 20,300 lb
Series 1000 aircraft 259011
SB 11-3
Dec 1970
-
I
11
Required Placards - To introduce a new
Operations Limitations Label
Model HS 125 Series 1
SB 11-30
Jul 1993
-
I
11
To enable aircraft operation under Australian
regulations.
Series 800 aircraft 258002
SB 11-31
Jul 1993
-
I
11
To introduce in compliance with AD/G/73 Access to type III exits
Series 800 aircraft 258002
SB 11-3175
Mar 1999
-
R
11
Placards and Markings - 'DA-D' PANEL Circuit Breaker Label
Hawker 800 (U-125A) JASDF airplanes, Serial
Numbers 258245, 258247, 258250, 258268 and
258288
SB 11-3184
Sep 1999
-
O
11
Placards and Markings - Zero Fuel Weight
Increased from 16,050 lbs to 16,300 lbs
HS 125 Series 700A with Intercontinental
Dynamics Corporation (IDC) Combined Speed
Indicators with integral speed warning switches
SB 11-32
May 1994
-
I
11
Placards and Markings - To increase maximum
zero fuel weight from 14,700 lb to 15,200 lb
HS 125 Series F3B/RA aircraft
SB 11-34
Feb 1995
-
I
11
Restricted - See Remarks
Hawker 800 U-125A
SB 11-35
Feb 1995
-
I
11
Restricted - See Remarks
Hawker 800 U-125A
SB 11-3624
Mar 2004
1
M
11
* Superseded by SB 34-3655.
* Superseded by SB 34-3655
12/24/2008
Page 11 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 11-3652
Feb 2006
1
R
11
Placards and Markings - Engine Operating
Limitations Placard Replacement
Hawker 800XP, Serial Numbers 258266 and
258277 through 258669.
SB 11-3666
May 2004
-
R
11
Placards & Markings - External Aft Baggage
Compartment Capacity Decal Modification
Raytheon Aircraft Model 400A Beechjet, Serials
RK-78 and RK-87 through RK-353;Raytheon
Aircraft Model 400A Hawker 400XP, Serials
RK-354 through RK-379.
SB 11-37
Oct 1995
-
O
11
Introduction of metric limitations label for
Hawker 800 aircraft to satisfy Brazilian
certification requirements
Hawker 800 post Mod. 253558A
SB 11-3820
Jan 2007
1
O
11
Placards and Markings - Dual English/German
Placard Installation
Hawker 850XP, Serial Number 258778.
SB 11-3863
Nov 2007
-
R
11
Placards and Markings – Aft Fuselage Fuel
Tank Filler Access Door Decal Removal
Hawker Beechcraft Corporation (HBC), Beechjet
Model 400A, Serials RK-1 through RK-353; Model
400A (Hawker 400XP), Serials RK-354 through
RK-526.
SB 11-4
Jul 1972
1
O
11
Operations Limitations Label. New label
introduced with autopilot speeds above and
below 15000ft.
Model HS 125 Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA & 400B
SB 11-5
May 1972
-
O
11
Required Placards -To permit increase in
take-off weight and taxying weight to 23,300 lbs
and redesignate aircraft 3B/RB after
embodiment of Mod.252024
Model HS 125 Series 3BRA
SB 11-7
Jun 1973
1
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model DH 125 Series 400A Aircraft NA 711 to
752 inclusive less 714, 725, 741 and 746. Model
BH 125 Series 400A Aircraft NA 753 to 780
inclusive less 754, 771 and 773.
SB 11-7A
Apr 1973
-
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model BH 125 Series 400A aircraft 25283 (NA
776)
SB 11-7B
Mar 1976
1
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model HS 125 Series 400B Aircraft 25178, 184,
189, 194, 197, 199, 209, 215, 217, 219, 223, 227,
231 235, and 238
SB 11-7C
Apr 1973
-
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model HS 125 Series 400B Aircraft 25240, 243,
246 to 255, 257, 259, 260, 264, 266, 268 to 271
and 274
12/24/2008
Page 12 of 224
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*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 11-7D
Mar 1976
1
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model DH 125 Series 400A Aircraft NA 711 to
752 inclusive less 714, 725, 741 and 746. Model
BH 125 Series 400A Aircraft NA 753 to 780
inclusive less 754, 771 and 773.
SB 11-7E
Mar 1976
2
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard, switch and instrument
changes and redesignate certain aircraft series
Model DH 125 Series 400A aircraft NA714, 725,
741, 746, 754, 771and 773.
SB 11-7F
Jun 1973
1
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel, take-off and ramp
weights with relevant placard, switch and
instrument changes, and redesignate certain
aircraft series
Model HS 125 Series 401B aircraft 25/242
SB 11-7G
Jun 1973
-
O
11
Required Placards - Aircraft General - To
permit increases in zero fuel and ramp weights
with relevant placard change and redesignate
aircraft Series 403B
Model HS 125 Series 401B aircraft 25/277, 288,
289 and 290
SB 11-8
Apr 1973
1
O
11
Required Placards - To introduce label with
increased taxi and take-off weight figures for
Series 1A, 1B Pre.Mod 251301, and 3A aircraft
Series 1A, 1B (Pre Mod.251301) and 3A
SB 11-9
May 1974
1
R
11
Required Placards/Power Plant/Oil Label/wording at oil filler access panel revised.
Instruction card introduced in Manuals locker
listing approved oils and tank capacity
Series 1, 1-(521), 1A, 1A-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/RA, 400A, 400B, 401B, 403B, 600A and
600B.
12/24/2008
Page 13 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 21
Environmental/Air Conditioning
SB 21-1
Aug 1964
-
O
21
Air Conditioning - To introduce improved
mounting of forward pipe from 'T' piece
Series 1
SB 21-108
Jul 1975
4
O
21
Air Conditioning - Refrigeration bypass valve Valve repositioned and refrigeration by-pass
duct introduced upstream of water separator
Model DH.125 Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA, 400A . BH.125 Series 400A and
600A. Mode HS.125 3B, 3BRA, 400B, 401B,
403B and 600B.
SB 21-11
Dec 1970
1
I
21
Air Conditioning - Temperature Control - Part
'A' - To introduce HSD Mod CC/B 8509 to link
assy BA2-04820 - Part 'B' - To introduce HSD
Mod CC/B 8421 to Link Assembly B.A2 - 04820
Series 1, 1A aircraft 25013, 037and 058, 1B,
1B-522, 1B/R-522, 1B/S-522 aircraft 25090, 3B
aircraft 25015, 062, and 069.
SB 21-110
May 1974
-
R
21
Air Conditioning - Air Distribution - Failure to
re-fit non-return valve
Models HS/DH/BH 125 Series 1, 1A, 1B 3, 3A,
3B, 400A,400B. All variants 600A and 600B to
aircraft 256030.
SB 21-115
Feb 1976
-
R
21
Air Conditioning - Ducting - To introduce
Narrower Clips at the sleeve, connecting the air
conditioning duct to the inlet of the water
extractor & to control lagging on duct ends
Model HS.125 Series 403B, 600A and 600B
Models BH.125 600A
SB 21-117
May 1977
-
R
21
Air Conditioning - Temperature control - To
introduce controller with revised low limit
setting
Models HS/ BH. 125 Series 600A, 600B and 600F
SB 21-118
Apr 1978
1
O
21
Air Conditioning - Distribution - To introduce a
warm air supply at foot level to the vestibule
area
Model DH.125 series 1 and 3. Model BH.125
series 400, 401, 403 and 600. Model HS.125
series 1, 3, 400, 401, 403, 600 and 700.
SB 21-119
Sep 1978
-
M
21
Air Conditioning - Mixing valve (LP/HP) failure
of outlet body LH and RH mixing valves
Model HS 125 Series 1A, 400A, 600A, 600F,
700A and 700B
SB 21-12
Dec 1970
1
I
21
Introduces miscellaneous HSD Mods. To
temperature controller BA2-13020.
Series 1, 1A aircraft 25013 037 058, 1B, 1B-522,
1B/R-522, 1B/S-522 aircraft 25090, 3B aircraft
25015 062 and 069
SB 21-120
Apr 1979
-
R
21
Air Conditioning - Engine ducting - Incorrect
manufacture of clamps
All A/C with TFE engines up to and including
Series 700 (not A/C 257054 7055 7058)
SB 21-121
Nov 1979
-
O
21
Air Conditioning - Pilots air supply - Globe
industries fan No. 19A 2323 replaces Pullin fan
PMI-4A
Model DH/HS 125 Series 1and 3 and all variants,
Model HS/BH 125 Series 400, 401, 403 and all
variants.
12/24/2008
Page 14 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-122
Dec 1980
-
O
21
To introduce a water separator with revised
drain system - To improve drainage from water
separator.
Series 1, 3, 400, 401, 403, 600 and 700
SB 21-123
Dec 1982
3
M
21
Air conditioning - Introduction of fragmentation
guard for B.Ae Dynamics group cold air unit
Model HS 125 pre- Mod 251600, Series 1, 1A, 1B
and 3B aircraft plus any aircraft with BAe
Dynamics Group air conditioning unit
SB 21-124
Feb 1985
-
R
21
To introduce revised cabin pressure controller
hose. To reduce the possibility of the hose
kinking.
Model BAe.125 Series 800A and 800B
SB 21-125
Jan 1986
1
O
21
Air conditioning - Flight deck cooling fans
Model BAe.125 Series 800B aircraft 258007, 013,
016, 019, 021,022, 025, 028 and 031.
SB 21-126
Nov 1985
-
R
21
Air Conditioning - Introduction of air hoses of
increased stiffness to the cabin pressure
controller and differential pressure gauge
Model BAe 125 Series 800A and 800B aircraft
258001 to 062
SB 21-127
Oct 1986
-
R
21
Possible electrical short in in temperature
control circuit.
Model HS 125 Series 600A and 600B and all
variants
SB 21-128
Jun 1987
1
M
21
Air Conditioning - Distribution - Introduction of
flight deck side console louvres and adapters of
an approved fire resistant material
Series 800A and 800B Post Mod.253070, 259134
or 259389
SB 21-129
May 1988
-
O
21
Air Conditioning - Pressurization - Improved
initiation on aircraft with Garrett APU
Series 800 Pre Mod.253149C with Garrett APU
SB 21-130
Oct 1989
1
O
21
Air Conditioning - Pressurization - Improved
initiation on aircraft with Turbomach A.P.U.
Series 800 aircraft Post Mod.253149 with
Turbomach APU (BAe Mod.259404B)
SB 21-131
May 1988
-
I
21
Introduction of relocated cold air unit exhaust
outlet.
BAe 125 Series 800 aircraft Post Mod.259499A
and Pre Mod.253175B or C with Turbomach APU
SB 21-132
May 1988
-
I
21
Introduction of relocated cold air unit exhaust
outlet.
BAe 125 Series 800 aircraft Post Mod.259499A
and Pre Mod.253175B with Garrett APU
Mod.258748/259185A
SB 21-133
Oct 1992
1
I
21
Permits operations into high altitude airfields.
Series 800 aircraft 258091 and subsequent.
SB 21-134
Sep 1989
-
R
21
Restricted - See Remarks
Series 800A C-29A aircraft 258129
SB 21-135
Dec 1989
-
R
21
Restricted - See Remarks
Series 800A C-29A Post Mod 253205C aircraft
258129, 131 and 134.
SB 21-136
Dec 1989
-
R
21
Restricted - See Remarks
Series 800A C-29A aircraft 258129, 131, 134.
12/24/2008
Page 15 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-137
Feb 1990
1
R
21
Restricted - See Remarks
Series 800A C-29A aircraft 258129, 131 and 134.
SB 21-139
Feb 1991
-
O
21
Restricted - See Remarks
Series 800A C-29A aircraft 258129, 131, 134,
154, 156 and 158. Series 800A and 800B Post
Mod 253205C.
SB 21-14
Dec 1970
1
I
21
Introduces miscellaneous Mods. To mass flow
controller BA2-14017A.
Series 1, 1A aircraft 25013, 037 and 058, 1B,
1B-522, 1B/R-522, 1B/S-522 aircraft 25090, 3B
aircraft 25015, 062 and 069.
SB 21-140
May 1991
-
R
21
Inspection of pressurisation control pipe for
clearance with elevator up-cable.
Model BAe. 125 Series 800A and 800B Pre
Mod.253254A
SB 21-141
Jun 1991
-
I
21
Restricted - See Remarks
Series 800 C-29A aircraft 258129, 131, 134, 154,
156 and 158.
SB 21-142
Dec 2004
1
R
21
* Superseded by SB 21-3669
Series 1 to 700 Mod 251600 800 and 1000. This
Service Bulletin has been superseded by
MANDATORY Service Bulletin 21-3669.
SB 21-143
Sep 1992
-
O
21
Air conditioning - Refrigeration unit Introduction of cold air unit with an improved
cooling turbine
All Series up to and including 800 Post
Mod.252918 and Pre Mod.253205A
SB 21-144
Oct 1992
-
O
21
Air Conditioning - Heating - Revision of cabin
air distribution arrangements at the heater
blower (Frame 15 RH)
Series 1000A and 1000B Pre Mod 253603A
SB 21-145
Feb 1993
1
R
21
Air Conditioning - Inspection of cold air unit for
presence of pre-cooler mounting brackets
Model BAe.125 Series 1000
SB 21-146
Jun 1995
1
I
21
AIR CONDITIONING - Pressurization Control To permit operation of the aircraft up to the
aircraft up to an airfield altitude of 10,000 feet
BAe 125 series 1000A and 1000B and Hawker
1000
SB 21-148
Sep 1994
-
O
21
Cold Air Unit. To introduce a cold air unit
exhaust duct with silencer liner
Model BAe 125 Series 800A, 800B and Hawker
800 which are Post Mod.253175B (ECU Ducting
Simplified)
SB 21-149
Sep 1994
-
R
21
Bleed Air System. Introduction of replacement
mixer valves
Model Bae 125 Series 1000A, 1000B and Hawker
1000
SB 21-15
Dec 1970
1
I
21
Introduces miscellaneous HSD Mods. To cold
air unit BA2-16003A.
Series 1, 1A aircraft 25013, 037 and 058, 1B,
1B-522, 1B/R-522, 1B/S-522 aircraft 25090 and
3B aircraft 25015, 062 and 069.
SB 21-151
Jul 1994
-
M
21
Introduction of pressure relief device within the
rear luggage compartment
Model BAe 125 Series 1000A, 1000B and Hawker
1000
12/24/2008
Page 16 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-152
Nov 1994
-
I
21
Air conditioning - To introduce replacement
cabin altitude warning switch
Model BAe 125 Series 1000A, 1000B and Hawker
1000. Models DH/BH/HS/BAE Series 1 to 600
inclusive and Hawker 800 excluding aicraft
28529, 260, 261 and 262 which are covered by
253570D (SB-21-53-3570D)
SB 21-153
Jul 1994
-
R
21
Air Conditioning - To introduce replacement
cabin altitude warning switch (9300 ft).
Model Hawker 800 aircraft 258259, 260, 261 and
262.
SB 21-154
Jan 1995
-
I
21
Restricted - See Remarks
BAe 125 Series 800A U-125 aircraft 258215
SB 21-155
Feb 1996
-
O
21
Air Conditioning - To introduce a silencer to the
CAU exhaust of the 3-wheel ECS
Model Hawker 800 aircraft 258266
SB 21-156
Mar 1997
-
R
21
To introduce replacement ECS system duct
clamps.
Models BAe 125 Series 800 Major Variant C29A
aircraft
SB 21-157
Jan 1996
-
R
21
Restricted - See Remarks
Model Hawker U-125A aircraft 258245, 247 and
250.
SB 21-158
Jan 1996
-
R
21
Restricted - See Remarks
Model Hawker U-125A aircraft 258245, 247 and
250.
SB 21-159
Mar 1996
-
R
21
Inspection of LH and RH mixer valve insulation
muff assemblies for correct part numbering and
orientation
Applicable to BAe 125 Series 1000A, 1000B and
Hawker 1000 aircraft Post Mod 253690A
SB 21-16
Dec 1970
1
I
21
Temperature Control. To introduce HSD Mod
CC/B7617 to cabin selector BA2-13471A (HSD
SB21-69).
Series 1, 1A (25/013, 037, 058) 1B, 1B-522,
1B/R-522, 1B/S-522, (25/090) and 3B (25/015,
062, 069).
SB 21-160
Nov 1996
-
O
21
Cabin Pressure Relief/Outflow Valves Introduction of valve part numbers 103278-13
and 103278-17, series 2.
BAe 125 Series 800A, 800B, Hawker 800 and
Hawker 800XP. BAe 125 Series 1000A, 1000B
and Hawker 1000
SB 21-17
Dec 1970
1
O
21
Temperature Control. To introduce HSD Mod
CC/B8175 to transfomer BA2-13007A (HSD
SB21-66).
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-18
Dec 1970
1
I
21
Temperature Control. To introduce HSD Mod
CC/B7667 to duct stat BA2-13077A.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-19
Dec 1970
2
O
21
Temperature Control. To introduce Dunlop
Mod.M255 on pressure switch
ACM22232-Issue 3 in lieu of Issue 2.
Series 1, 1A (25/013, 037, 058), 1B and 1B-522.
12/24/2008
Page 17 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-2
Jan 1965
1
I
21
To introduce Airscrew and Weyroc fan
58C4/141 in lieu of 58C4/131 for cabin air
re-circulation.
Series 1 and 1B.
SB 21-20
Dec 1970
1
O
21
Introduction of Teddington Mod.C1880 on
butterfly valve FMPA5178.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-21
Dec 1970
1
O
21
Introduction of Teddington Mod.C1881 on
butterfly valve FMPA5178.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/015, 062, 069).
SB 21-23
May 1965
-
O
21
Introduction of recirculatory air fan & ducting
together with electrical wiring and switch
control.
Series 1
SB 21-24
Jun 1965
-
O
21
Temperature Control. To introduce a terminal
block breakdown point for cabin temperature
control valve.
Series 1, 1A and 1B
SB 21-27
Dec 1965
-
R
21
Cabin air supply duct between frames 8 & 9 To position sleeve clamps to avoid fouling
elevator control cable.
Applicable to HS.125 aircraft Series 1A
SB 21-28
Feb 1966
-
M
21
Air Conditioning - Normalair Safety and Inward
Relief Valve - Correct Position of Valve
Series 1, 1A, 1B and 3
SB 21-29
Jan 1971
1
I
21
Temperature Control. To introduce HSD Mod
CC/B8211 on temperature controller
B01A213020A.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-3
Jan 1971
2
I
21
To introduce Armstrong Whitworth non-return
valve AWE 124/50A in place of AWE 124/50.
Series 1 and 1A (25/013 and 014).
SB 21-30
Mar 1966
-
O
21
Pressurization Control - To improve functioning
of discharge valve inlet.
Series 1B
SB 21-31
Dec 1970
1
O
21
Initiation valve FMP/A/5178. Introducing HSD
Mod.C1971 (Teddington SB21-52).
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522 and 3B (25/015, 062, 069).
SB 21-3108
Nov 1998
-
M
21
Inspection of turbine air discharge duct for
correct bead height.
Model BAe 125 Series 1000A, 1000B and Hawker
1000
SB 21-3136
Dec 1997
-
O
21
Pressurization control. To permit operations
into high altitude airfields.
Hawker 800XP
12/24/2008
Page 18 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-3173
Aug 1999
-
R
21
Restricted - See Remarks
BAe 125 Series 800 U125 JASDF aircraft
258215, 242, Hawker 800 (U125) JASDF aircraft
258245, 247, 250, 268 and 288. BAe 125 Series
800 (C-29A) FAA aircraft 258129, 131, 134,154,
156 and 158.
SB 21-32
Dec 1970
1
O
21
Initiation valve FMP/A/5178. Introducing HSD
Mod.C1994 (Teddington SB21-69).
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-33
Dec 1970
1
O
21
Distribution. Introducing HSD Mod.CC/B9028
to mass flow controller B00A214017A (HSD
SB21-197).
Series 1, 1A (25013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25090) and 3B (25015, 062
and 069).
SB 21-3377
Jul 2000
1
M
21
Air Conditioning - Installation of improved air
conditioning duct sleeves and clamps
Hawker 800XP. Only Hawker 800 U-125A
(JASDF). Only BAe 125 Series 800A major
variant C-29A and U-125
SB 21-34
Dec 1970
1
O
21
Temperature Control. To introduce HSD
Mod.CC/B8230 to tempcontroller
B01A213020A (HSD SB21-217).
Series 1, 1A (25013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25090) and 3B (25015, 062
and 069).
SB 21-3414
Jul 2000
1
M
21
Removal of air conditioning duct sleeve
bedding strips
Hawker 800XP. Hawker 800XP. Only Hawker 800
major variant U-125A (JASDF), which have
accomplished Mandatory Service Bulletin
21-3377. Only BAe 125 Series 800A major variant
C-29A and U-125, which have accomplished
Mandatory Service Bulletin 21-3377. BAe
SB 21-3419
Aug 2000
-
R
21
Air Conditioning - Replacement of low limit
temperature control sensor
Hawker 800XP
SB 21-3424
Mar 2003
-
M
21
AIR CONDITIONING - Pressure Regulator
Shutoff Valve Wiring Modification
All BAe 125 1000A/1000B and Hawker 1000
aircraft.
SB 21-3443
Feb 2008
4
R
21
Air Conditioning - Installation of Reinforcing
Bands in Air Conditioning Ducts
BAe.125 Series 800A(C-29A); BAe.125 Series
800A(U-125); Hawker 800XP and Hawker 850XP
Pre-Mod 25G072A; Hawker 800(U-125A)
Pre-Mod 25G072B; All Hawker 1000; Hawker
900XP Pre-Mod 25G072A; Hawker 750 Pre-Mod
25G072A. If you are no longer in possession of
the airplane, please forward this information to the
present owner.
SB 21-3485
May 2003
1
R
21
Introduction of an Inline filter to the low
temperature control valve
Hawker 800XP with Honeywell GTCP36-150 APU
installed per STC #ST00459NY
12/24/2008
Page 19 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-35
Dec 1970
1
O
21
Temperature Control. To introduce HSD
Mod.CC/B8947 to temp controller
B01A213020A (HSD SB21-149).
Series 1, 1A (25013, 037 and 058), 1B, 1B-522,
1B/R-522 and 3B (25015, 062 and 069).
SB 21-36
Nov 1970
1
O
21
Temperature Control. To introduce HSD
Mod.CC/B8953 to temp controller
B01A213020A (HSD SB21-208).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25015, 062
and 069).
SB 21-3621
Jan 2004
-
O
21
Air Conditioning - Pressurization Control
System Modification
Hawker 800XP, Serials 258266, 258277 through
258639 equipped with Honeywell GTCP36-150
APU installed per STC #ST00459NY.
SB 21-3669
Dec 2004
-
M
21
Air conditioning - Fan venturi motor
replacement
This Service Bulletin applies to the following
pre-Mod 253514A aircraft:DH.125 Series 1A;
HS.125 Series 1B; DH.125 Series 1A-522;
HS.125 Series 1B-522; DH.125 Series 1A/R-522;
HS.125 Series 1B/R-522; DH.125 Series
1A/S-522; HS.125 Series 1B/S-522; DH.12
SB 21-3699
Mar 2005
-
M
21
Air Conditioning - Outflow/Safety valve adaptor
inspection/replacement
Hawker 800XP, Serial Numbers 258566 through
258609, 258611 through 258628 and 258630
through 258677. Hawker 800 (U-125A), Serial
Numbers 258513, 258533 and 258610.
SB 21-37
May 1966
-
O
21
Temperature Control. To change Pye toggle
switch on the initiation valve circuit from 3 to 2
position type.
Series 1, 1A, 1B, and 3 aircraft without Mod.
255437
SB 21-38
Dec 1970
1
R
21
Pressurization Control. Safety & inward relief
valve 525010. Introduction of Normalair
Mod.62PC SB 21-236.
Series 1
SB 21-3802
Aug 2006
-
O
21
Air Conditioning - Installation of Drain in Pilot's
Air Outlet Duct
Hawker 800XP and Hawker 850XP, Serial
Numbers 258266 and 258277 through 258782.
SB 21-3828
Mar 2007
-
O
21
Air Conditioning - Pneumatic Relay Bracket
and Tubing Replacement
Raytheon Aircraft Model 400A Beechjet, Serials
RK-1 through RK-353; Raytheon Aircraft Model
400A (Hawker 400XP), Serials RK-354 through
RK-514.
SB 21-3844
Aug 2007
-
O
21
Air Conditioning - Modification of Air
Conditioning Forward and Aft Evaporator
Modules, P/N 1134310-1 and P/N 1134310-3
Hawker Beechcraft Model 400A, Serials RK-98,
RK-110 through RK-539 with P/N 1134310-1 or
P/N 1134310-3 air conditioning evaporator
assemblies installed.
SB 21-39
Dec 1970
1
R
21
Introduction of Teddington Mod.C1917 To
initiation valve FMP/A/5178 (Teddington
SB21-70).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
12/24/2008
Page 20 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-4
Jan 1965
1
O
21
To introduce latest linkage assembly and
temperature control valve auto-transformer and
reference unit.
Series 1, 1A and 1B
SB 21-40
Dec 1970
1
I
21
Introduction of Teddington Mod.C1888 to
initiation valve FMP/A/5178 (Teddington
SB21-74).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-41
Dec 1970
1
O
21
Initiation Air Bleed Valve Assy FMP/A/5178. To
introduce Teddington Mod.C1839 (Teddington
SB21-23).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-42
Dec 1970
1
O
21
Introduction of Teddington & HSD Mod. C1877
to initiation valve FMP/A/5178.
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-43
Dec 1970
1
O
21
Temperature control. To introduce temperature
selector B00A213032A in lieu of
B03A213471A.
Series 1, 1A, 1A-522, 1B and 3B (25015, 062 and
069).
SB 21-44
Dec 1970
1
I
21
Temperature control. Link assy A2-04820A. To
introduce HSD Mod.CC/B8364 HSD SB36-45.
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25015, 062
and 069).
SB 21-45
Dec 1970
1
I
21
Temperature control. Temp controller
B01A213020A. To introduce HSD
Mod.CC/B8949 (HSD SB21-202).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S (25/090) and 3B (25/015, 062
and 069).
SB 21-47
Nov 1970
1
I
21
Temperature Selector B00A213032A. To
introduce HSD Mod.CC/B8125 (HSD
SB21-191).
Series 1, 1A (25/013, 037 and 058) 1B, 1B/R-522,
1B/S-522 (25/090) and 3B (25/015, 062 and 069.
SB 21-48
Nov 1970
1
I
21
Temperature Control. Introducing HSD
Mod.CC/B9282 to cold air unit B00A216003A
(HSD SB21-223).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-49
Nov 1970
1
I
21
Temperature Control. Cold air unit
B00A216003A. To introduce HSD
Mod.CC/B5843 SB21-228.
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090), 3B (25/015, 062
and 069).
SB 21-5
Dec 1965
2
O
21
To introduce soleniod operated fresh air valve.
Series 1, 1A and 1B.
SB 21-50
Nov 1970
1
I
21
Temperature Control. Cold air unit
B00A216003A. Introducing HSD
Mod.CC/B9237 SB21-228.
Series 1, 1B, 1B/R-522, 1B/S-522 (25/090), 1A
(25/013, 037, 058) and 3B (25/015, 062, 069).
12/24/2008
Page 21 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-51
Nov 1970
1
I
21
Temperature Control. Duct sensing element
B01A213077A. To introduce HSD Mod
CC/B9296 SB21-230
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069)
SB 21-52A
Nov 1970
1
O
21
Temperature Control. To introduce HSD
Mod.CC/B8962 to auto transformers
B03A213007A (SB21-236).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-52B
Nov 1970
1
O
21
Temperature Control. To introduce HSD
Mod.CC/B8962 to auto transformers
B00A213025A (SB21-237).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-53
Nov 1970
1
I
21
Introduction of Teddington Mod.C2093
(SB21-68) to initiation valve FMP/A/5178.
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-54
Nov 1970
1
I
21
Temperature Control. Cold air unit
B00A216003A. To introduce HSD
Mod.CC/B7119 SB21-229.
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-55
Nov 1970
1
I
21
Introduction of Hawker Siddeley Dynamics
Mod.CC/B 7610 (duct sensing element).
Series 1, 1A (25/013, 037 and 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062 and 069).
SB 21-56
Aug 1966
-
R
21
Temperature Control. Change the cabin
overheat warning light to a 'PRESS TO TEST'
type.
Series 1B 3 3B
SB 21-57
Aug 1966
-
R
21
NRV Pt No AWE124-51 - Fracture of butterfly
carrier arms.
Applicable to HS.125 Series 1, 1B, 3 and 3B
aircraft plus aircraft 013.
SB 21-58
Nov 1970
1
O
21
Temperature Control. Introducing HSD
Mod.CC/B8881 to Temprature Controller
B01A213020A (HSD SB21-266).
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-59
Nov 1970
3
R
21
Distribution. To introduce wire mesh guard to
RH cabin air duct downstream of non-return
valve at pressure dome.
Series 1, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B
and 1A (25/013, 037, 058).
SB 21-6
Jan 1965
-
O
21
Introduction of separate bracket for dischage
rate controller on frame 19.
Series 1, 1A and 1B
SB 21-60
Nov 1970
1
O
21
Introduction of HSD Mod.CC/B9580 to mass
flow controller B00A214017A (HSD SB21-282).
Series 1, 1A, (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069)
12/24/2008
Page 22 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-61
Nov 1970
1
I
21
Introduction of Teddington Mod.C2171 on
initiation valve FMP/A/5178.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069)
SB 21-62
Nov 1970
1
O
21
Introduction of HSD Mod.CC/B9333 (SB
21-277) to mass flow controller B00A214017A.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522, (25/090) and 3B (25/015,
062, 069)
SB 21-63
Nov 1970
1
I
21
Introduction of HSD Mod.CC/B9597 (SB
21-283) to mass flow controller B00A214017A.
Series 1, 1A, (25/013, 037, 058), 1B, 1B-522,
1B/S-522 (25/090) and 3B (25/015, 062, 069)
SB 21-64
Nov 1970
1
I
21
Introduction of Teddington Mod.C2186
(SB21-79) on initiation valve FMP/A/5178.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25090) and 3B (25/015,
062, 069).
SB 21-65
Nov 1970
2
O
21
Introduction of Mod.C2183 to initiation valve
FMP/A/5178 .
Series 1, 1B, 1B/R-522, 1B/S-522 (25/090), 1A
(25/013, 037, 058) and 3B (25/015, 062, 069).
SB 21-66
Nov 1970
1
I
21
Temperature Controller B01A213020A.
Introducing HSD Mod.CC/B8967 (SB 21-296).
Series 1, 1B, 1B/R-522, 1B/S-522 (25/090), 3B
(25/015, 062, 069) and 1A (25/013, 037, 058).
SB 21-67
Jan 1967
-
O
21
Introduction of silencer duct for flood flow
supply in lieu of standard duct.
Series 1B and 3B with Mod.251600 embodied.
SB 21-68
Nov 1970
1
O
21
Introduction of non-return valve AWE124-50C
in lieu of WE124-50A. (HSD Mod.28220).
Series 1, 1B, 1B-522, 1B/R-522, 1B/S-522
(25/090, 1B/R-522 (094), 1B/S-522 (090), 3B
(015, 062, 069) and 1A (013, 037, 058).
SB 21-69
Nov 1970
1
O
21
Introduction of HSD Mod.CC/B9420 to valve
B01A214015A.
Series 1, 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522, 1B/S-522 (25/090) and 3B (25/015,
062, 069).
SB 21-7
Dec 1970
2
I
21
To introduce Dunlop Mod.M185 to pressure
switch ACM22232.
Series 1, 1A (25/013, 037, 058) and 1B
SB 21-70
Apr 1969
1
O
21
Pressurization Control. To introduce a modified
valve in the pressure control system.
Series 1A, 1B, 3A and 3B (Post Mod.251600
aircraft).
SB 21-71
Jan 1967
-
R
21
Check for faulty elbow ducts in No.2 supply to
heat exchanger.
Applicable to HS.125 aircraft Series 1, 1A, 1B, 2
and 3.
SB 21-73
May 1967
-
R
21
Temperature Control. To prevent in line
non-return valve being assembled the wrong
way in ducts.
Series 1B post-mod.251600, 3 and 3B.
SB 21-74
Jun 1970
2
R
21
Air Conditioning - Air Supply and Distribution Ram Air Duct Fractured
Applicable to HS.125 aircraft Series 1A, 3A, 3B,
3A/RA, 3B/RA and 1B.
12/24/2008
Page 23 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-76
Nov 1970
1
O
21
Distribution. To introduce HSD Mod.28333 to
non-return valve GE 124/33.
Series 1 1A (25/013, 037, 058), 1B, 1B-522,
1B/R-522 (25/094), 1B/S-522 (25/090), 3B
(25/015, 062, 069)
SB 21-77
Jul 1967
-
R
21
Duct installation bleed air supply
(Mod.251600). Incorrect torque loading of
clamps C6045-30H.
Applicable to HS.125 aircraft, Series 1A, 3A and
3B.
SB 21-78
Nov 1967
-
O
21
Introduction of modified branch pipe giving
clearance for discharge valve control cable.
Series 1A (A/C 25013) 1B
SB 21-79
Nov 1970
1
I
21
Temperature control. To introduce HSD
Mod.CC/B9825 to cold air unit B00A216003A
(HSD SB21-342).
Series 1 1A (A/C 25013) 1B (except A/C 25097)
3B (A/C 25062 069)
SB 21-8
Nov 1964
-
I
21
To introduce Armstrong Whitworth non-return
valve AWE 124/28B in lieu of AWE 124/28A.
Series 1 1B
SB 21-80
Nov 1970
2
O
21
Temperature control. To introduce HSD
Mod.28188 to NRV AWE12455.
Series 1 1A (A/C 25013 037 058) 1B 1B/R 1B/S
(A/C 25090) 3B (A/C 25015 062 069)
SB 21-81
Aug 1968
1
R
21
Introduction of retrospective modification to the
inverter discharge duct assembly.
Series 1A 3A 3B
SB 21-82
Nov 1970
1
I
21
Temperature control. To introduce HSD
Mod.28332 to NRV AWE12455 (HSD
SB21-351).
Series 1 1A (A/C 25013 037 058) 1B 1B/R 1B/S
(A/C 25094) 3B (A/C 25015 062 069)
SB 21-83
May 1968
-
I
21
To introduce Cabin Pressure Controller
102464-16-2 in lieu of 102464-16-1.
Series 1B/S (A/C 25097) 3A 3B 3A/R 3A/RA 3B/R
3B/RA
SB 21-84
Jul 1968
-
R
21
Duct installation bleed air supply. Failure of
pipe connection at coupling in auxiliary heat
supply pipeline.
Series 1A 3A 3B 3B/R 3B/RA (A/C 25097)
SB 21-85
Sep 1970
3
O
21
Compression. To introduce silencer in cabin air
supply ducting.
Series 1B/S 3A 3B 3A/R 3A/RA 3B/R 3B/RA (A/C
25097) 400
SB 21-86
Feb 1969
-
I
21
To introduce cooling turbine 203880-2-2 in lieu
of 203880-2-1 (Part of refrigerator unit Assy
682840).
Series 1A 1A/S 1B 1B/S 3A 3B 3A/R 3A/RA
3B/RA (A/C 25097) 400
SB 21-87
Oct 1970
1
O
21
To introduce HSD NRV AWE124-55B in lieu of
AWE124-55A (HSD Mod 28509).
Series 1 1A (A/C 25013 037 058) 1B 1B/R 1B/S
(A/C 25090) 3B (A/C 25015 062 069)
SB 21-88
Oct 1970
1
I
21
To introduce Teddington Mod C2353 to
butterfly valve FMP/A/5178
Series 1 1A (A/C 25013 037 058) 1B 1B/R 1B/S
(A/C 25090) 3B (A/C 25015 062 069)
12/24/2008
Page 24 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 21-89
Nov 1971
2
R
21
Temperature control. To introduce HSD
Mod.CC12118 to temprature controller
BA213020A for Series with HSD Air
conditioning.
Series 1 1A 1B 1B/R 1B/S 3B (A/C 25015 062
069)
SB 21-9
Dec 1970
1
I
21
Introduces miscellaneous Mods. To full- hot
bypass valve BA2-14016A.
Series 1 1A (A/C 25013 037 058) 1B 1B/R 1B/S
(A/C 25090) 3B (A/C 25015 062 069)
SB 21-90
Nov 1971
-
O
21
Ductstat/temperature controller - Pt A-Ductstat
BA213021A to change resistors Pt B-Temp
BA213020A controller to change.
Series 1 1A (A/C 25013 037 058) 1B 1B/R-522
1B/S-522 3B
SB 21-91
Jul 1970
-
O
21
Flood flow duct. Deletion of thermostat to
elimate the excessive time taken for the roof
duct warning lamp to extinguish.
Series 1B/S-522 3B 3B/RA
SB 21-92
Nov 1971
-
I
21
Temperature controller BA213020A - To
replace capacitor C6b on front tag board by
improved capacitor C6.
Series 1 1-521 1A (A/C 25013 037 058) 1B
1B-522 1B/R-522 1B/S-522 3B
SB 21-93
Jan 1972
-
R
21
Temperature controller BA213020A. To
improve heat dissipation of transistors on top
chassis & heat insulation of front tag board
(HSD Mod.CC12147).
Series 1 1-521 1A 1B 1B-522 1B/R-522 1B/S-522
3B
SB 21-94
Sep 1971
-
R
21
Ground Pressurisation connector WGE133/2.
Nylon cable retaining blanking cap shortened
Connector becomes WGE133/2A.
Series 1A 1A-522 1A/S-522 1B 1B-522 1B/R-522
1B/S-522 3A 3A/R 3A/RA 3B 3B/RA 400A 400B
SB 21-95
Oct 1971
2
R
21
System aft of perssure dome - longer sleeves
at inlet and outlet connections to water
separator and outlet of heat exchanger.
Series 1B/S-522 3A 3A/R 3A/RA 3B 3B/RA 400
SB 21-96
Mar 1971
-
R
21
Temperature control piping. New pipe
introduced incorporating fixed length links
across coupling immediately upstream of heat
valve.
Series 1B/S-522 3A 3A/R 3A/RA 3B 3B/RA 400
SB 21-98
May 1972
-
I
21
Introduction of reduced width ducts & modified
bifurcated duct in windshield demist ducting.
Series 400A 400B
SB 21-99
Mar 1972
-
O
21
Inward relief door in ram air duct. Two
additional springs added on hinge line.
Series 1A-522 1A/S-522 1B/S-522 3A 3A/R
3A/RA 3B 3B/RA 400
SB 21-A150
Feb 1994
-
M
21
Inspection of fan venturi motor for clearance
with adjacent equipment and signs of
overheating
Series 1 to 700 Pre Mod.253514A 800 Pre
Mod.253514A 1000 Pre Mod.2535114A
12/24/2008
Page 25 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 22
Auto Flight
SB 22-11
Jul 1978
-
R
22
Inhibits linear deviation mode to prevent
instability which can occur when in VOR mode.
Model HS.125 Series 700 and all variants.
SB 22-12
Nov 1991
-
M
22
Introduction of flight control computer (FCC-86)
part number 622-6195-315 in lieu of
622-6195-015 or 622-6195-215.
All Series 800 aircraft with Collins flight control
computer (FCC-86) part number 622-6195-015 or
622-6195-215.
SB 22-13
Jan 1996
-
R
22
Restricted - See Remarks
Hawker 800 U-125A (A/C 258245, 258247,
258250
SB 22-14
Dec 1995
-
M
22
Auto Flight - To introduce a modified Mach trim
computer, Part Number 822-0872-001 Mod. 1
Hawker 800XP
SB 22-2
Apr 1966
-
O
22
Introduces additional cable adjustment on
aileron autopilot controls at frame 7.
Series 1, 1A, 1B and 3
SB 22-3
Dec 1969
-
22
Re-orientation of mounting bracket for elevator
servo connector
SB 22-3 - INSP
Jan 1968
-
R
22
Inspection of Connector Plugs in Elevator &
Rudder Primary Servo Motor Assemblies for
Moisture (Collins type 334C3) Mod 251974
Model HS.125 Series 1, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B and 3BRA. Model DH.125 1A,
1A-522, 1A/S-522, 3A, 3AR, 3ARA.
SB 22-3577
Jul 2003
-
O
22
AUTO FLIGHT - Introduction of Improvements
to Honeywell FZ-800 Flight Guidance
Computer
BAe.125 Series 800A, 800B, Hawker 800 and
Hawker 800XP, Serials 258001 through 258566
equipped with Honeywell FZ-800 Flight Guidance
Computer (FGC), P/N’s 7003974-713 and
7003974-728 installed in accordance with STC’s
SA5937SW, ST09537SC or ST09623SC.
SB 22-3764
Dec 2005
-
R
22
Autoflight - Modification of FCC-4007 Cards
Model 400A Beechjet, Serials RK-118, RK-140
through RK-353; Model 400A Hawker 400XP,
Serials RK-354 through RK-473.
SB 22-7
Mar 1971
-
R
22
Potentiometer Position Transmitter. 104
PPt/BU/1 Improved locking of input shaft taper
pin. (Smiths Mod.04 SB24-131).
Model HS.125 Series 400B
SB 22-8
Sep 1972
-
O
22
Introduces second flight system (Collins
FD108) with navigation compass and gyro
switch.
This modification is to Special Order Only for
aircraft constructors Serial No. 25/44
12/24/2008
Page 26 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 22-A1
Jan 1966
Rev No
*Class
Chapter
2
M
22
Description
Effectivity
Auto-Pilot - Required Placards - Flight
restrictions with autopilot engaged
This Alert Service Bulletin is appicable to H.S.A.
125 Series 1, 1A, 1B, aircraft equipped with
Collins Autopilot Equipment.
12/24/2008
Page 27 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 23
Communications
SB 23-1
Sep 1966
-
O
23
HF system Collins 18S4C. Frequency Selector.
Introduction of 165-LRU-45J.
SB 23-10
Apr 1974
-
R
23
HF aerial lead in cable support and
soundproofing restraint added to reduce
possible fracture of the HF lead in cable.
Series 3B (A/C 25113 117) 3B/RA (A/C 25147
162 165 to 168)
SB 23-11
Mar 1975
2
O
23
To introduce Lear Jet A250 stereo radio/tape
reproducing system.
Model BH.125, Series 600B
SB 23-12
Oct 1974
-
O
23
Intercomm R/T Autopilot. To facilitate switch
replacement in line connectors are fitted to
cables in control column boss.
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 401B, 403B and 600B.
SB 23-13
Oct 1974
-
R
23
Intercommunications-To prevent loss of pilots
and co-pilots intercom in the event of relay or
switch failure.
Series 1, 1A, 1B, 1B-522 and 3B
SB 23-16
Jun 1975
-
O
23
Cabin Stereo Radio/Tape System. To provide
improved access for fuse replacement.
Model BH.125, Series 600A and 600B.
SB 23-2
Aug 1967
-
R
23
VHF System. To introduce 33 ohms resistor in
Press to Test transmit line of Collins
transceiver 618M-1.
Series 1B and 3B
SB 23-20
Feb 1980
-
R
23
Fairchild A100 Cockpit Voice Recorder.
Omission of thermal insulation (Fairchild SB
CVR A140 refers).
Applicable to all HS/DH/BH 125 aircraft equiped
with the Fairchild A100 Cockpit Voice recorder up
to and including Series 700.
SB 23-21
Nov 1983
2
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
This Service Bulletin is applicable to Series 1, 3
and all variants.
SB 23-21AA
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 400 (A/C 25215 219 223 231 235 238 240
246 247 251 to 253, 257 270 274) Series 600
(A/C 25258)
SB 23-21AB
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25217)
12/24/2008
Page 28 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-21AC
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25242 272)
SB 23-21AD
Mar 1983
-
M
23
Communicatinos - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
25277,288,289 and 290
SB 23-21AE
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25277 288 289 290)
SB 23-21AF
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 600 (A/C 256005 012 015 015 017 019
021 024)
SB 23-21B
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25005)
SB 23-21C
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25006)
SB 23-21D
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25008)
SB 23-21E
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25009 010 025 058)
SB 23-21F
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25037)
SB 23-21G
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 1 (A/C 25063)
SB 23-21H
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25067)
SB 23-21I
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
25080
12/24/2008
Page 29 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-21J
Nov 1983
2
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25080)
SB 23-21K
Nov 1983
2
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25089)
SB 23-21L
Mar 1983
-
M
23
Communications - ESB31 and EA76 - Audio
integrating systems - Segregation of power
supplies
Series 1 (A/C 25085 090 092 105 106)
SB 23-21M
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25015)
SB 23-21N
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3B (A/C 25069)
SB 23-21P
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25113)
SB 23-21Q
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25116 117 128)
SB 23-21R
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25132)
SB 23-21S
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 1 (A/C 25127 130 131 133 138 140 143 to
145, 147 150 154 157)
SB 23-21T
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25162 165 167 168)
SB 23-21U
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 1 (A/C 25164)
SB 23-21V
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25169 171)
12/24/2008
Page 30 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-21W
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 3 (A/C 25172)
SB 23-21X
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25184)
SB 23-21Y
Mar 1983
-
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25178 189 194 209)
SB 23-21Z
Aug 1983
1
M
23
Communications - ESB31 & EA76 Audio
Integrating Systems - Segregation of power
supplies
Series 400 (A/C 25197 199)
SB 23-22
Jun 1984
-
O
23
To eliminate interference on pilot's and
co-pilot's intercoms when 3rd crew member
press to talk is operated.
Series 700B (A/C 257118 127 130 133 136 139
142 145 151 158 160 163)
SB 23-23
May 1987
-
M
23
HF Aerial System. Possible cable overheat and
system degradation.
Applicable to BAe/DH/BH/HS 125 Series 800A
and 800B
SB 23-24
Feb 1989
-
R
23
To introduce Replacement main PCB assembly
BAM 2 Video monitor.
Series 800B
SB 23-25
Oct 1989
-
O
23
Communications To Introduce modified line
replacement units for PTR1751 UHF radio (ARI
23301) to enable 25 kHz channel spacing
Series 400B, 600B and 700B
SB 23-26
Sep 1989
-
R
23
Restricted - See Remarks
Series 800A (A/C 258129)
SB 23-27
Nov 1989
-
R
23
Restricted - See Remarks
Series 800A (A/C 258129 134)
SB 23-28
Dec 1990
-
I
23
Central Audio Unit. Deletion of redundant
capcitor from station selector boards of CA
units AA15504-1, AA15504-2 and AA15504-11.
Series 700B and 800B
SB 23-29
Apr 1994
-
I
23
Communications - To interchange the No.1 and
No.2 VHF COMM antennas
BAe 125 Series 1000B
SB 23-30
Apr 1991
-
O
23
Restricted - See Remarks
Series 800B
SB 23-31
Jan 1992
-
R
23
Inspection of antenna coupler mount to identify
suspected incorrect material.
Applicable to BAe 125 aircraft 800 Seires fitted
with Rockwell Collins HF Radio system 628T-3.
SB 23-3121
Dec 1997
-
O
23
Restricted - See Remarks
Hawker U-125A (JASDF) aircraft
12/24/2008
Page 31 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-3140
Dec 1997
-
O
23
Restricted - See Remarks
Hawker 800 U125A, a/c 258245, 258247,
258250, 258268, 258288.
SB 23-3190
Oct 2000
-
O
23
Communications - Reduction of inter-com
audio noise in aircraft equipped with Honeywell
Audio Systems
Hawker 800XP
SB 23-32
Nov 1993
-
R
23
Restricted - See Remarks
Series 800A C29A (A/C 258129, 258131, 258134,
258154, 258156, 258158.
SB 23-3263
Aug 1999
1
O
23
International Civil Aviation Organization (ICAO)
Requirement for 8.33 kHz VHF Comm Spacing
(Honeywell)
BAe 125 Series 800A, Hawker 800 and Hawker
800XP, equipped with Honeywell Primus II
Integrated Radio System, and Honeywell
NZ-2000 FMS with Software version 5.2.
SB 23-3264
Jul 1999
-
O
23
International Civil Aviation Organization (ICAO)
Requirement for 8.33 KHZ VHF Comm Spacing
(Raytheon Aircraft Company STC
ST00780WI-D) (Collins)
BAe 125 Series 800 and Hawker 800, equipped
with Collins Pro Line II avionics, (CTL-22 VHF
Comm Control Heads and VHF-22A/B
Transceivers)
SB 23-3294
May 1999
-
R
23
Restricted - See Remarks
Hawker 800 (U-125A) JASDF, Serials 258245,
258247, 258250, 258268, 258288, 258305,
258306, 258325, 258333 and 258341.
-
O
23
Restricted - See Remarks
Model Bae 125 Series 800A U-125
Communications - To provide 8.33 kHz spacing
and VHF COMM FM immunity for the dual VHF
communications system
Model BAe 125 Series 700B
SB 23-33
SB 23-3313
May 1999
-
R
23
SB 23-3327
Jul 1999
-
O
23-10
Communications - International Civil Aviation
Organization (ICAO) Requirement For 8.33
KHZ VHF Comm Spacing
Beechjet Model 400A, Serials RK-118, RK-140 &
after when equipped with Collins AMS-5000
avionics.
SB 23-3357
Nov 2000
1
O
23
Communications - International Civil Aviation
Organization (ICAO) requirement for 8.33 kHz
VHF Comm Spacing (Raytheon Aircraft
Company STC ST09571SC) (Collins)
BAe 125 Series 800, Hawker 800 and Hawker
800XP, equipped with Collins Pro Line II avionics,
(RTU-870T Radio Tuning Units and VHF-422
Transceivers).
SB 23-3398
Jun 2001
-
R
23
Communications - Collins HF Communications
Transceiver 'CW' Mode Modification
BAe 125 Series 800A, Major Variant C-29A.BAe
125 Series 800A, Major Variant U-125.
SB 23-34
Jan 1995
-
O
23
To introduce VHF Communication System
(VHF-21A) on aircraft with Gables G6692-01 or
G6950-3 controller
Model BAe 125 Series 800B.
12/24/2008
Page 32 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-35
Jul 1996
1
O
23
Communications - To introduce VHF
Communication System (VHF-22A) Part
Number 622-6152-011 on aircraft with Gables
G6868-04 or Collins CTL-22 controller
Model BAe 125 Series 800B.
SB 23-3694
Feb 2005
1
M
23
Communications - Cockpit Audio Modification
Hawker 800XP, Serial Numbers 258541, 258556,
258567 through 258609, 258611 through 258628,
258630 through 258669 and 258671 through
258678.
SB 23-3727
May 2005
-
M
23
Communications - Control Column Microphone
Jack Modification
Raytheon Aircraft Company (RAC) Arkansas STC
SA4900SW installed on the following
aircraft:Bombardier Challenger Model
CL-600-1A11, Serials 1054, 1059, 1069, 1071
and 1080;Bombardier Challenger Model
CL-600-2A12, Serials 3012, 3013, 3034, 3045,
3050, 3051, 3061 and 3065;Bombardier
Challenger Model CL-600-2B16, Serials 5012,
5046 and 5060. Any other Challenger Model
CL-600 aircraft with RAC Arkansas STC
SA4900SW installed except Serial 3025.
SB 23-3749
Aug 2005
-
O
23
Communication - VHF Communication
(COMM) 2 Antenna Kit
Hawker 800XP, Serial Numbers 258717 and
258723 through 258743.
SB 23-39
Apr 1996
-
O
23
Communications - To introduce VHF
communication system (VHF-21A) on aircraft
with Gables G5708A controller.
Model BAe 125 Series 700B.
SB 23-4
Jan 1969
-
R
23
HF wire aerial installation Chelton HF aerial clip
in lieu of brazed ring (Chelton SB23-1).
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522, 3A,
3B, 3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 23-43
Jan 1995
-
I
23
Restricted - See Remarks
BAe 125 Series 800A U-125 (258215, 258227,
258242)
SB 23-44
Mar 1995
-
R
23
Communications - Inspection of King HF
system for correct connection for tuning to
frequencies below 4MHz.
Applicable to BAe 125 Series 800A, 800B and
Hawker 800.
SB 23-45
May 1995
-
O
23
Communications - To provide a 'Phones Only'
facility at the P1 and P2 positions
BAe 125 Series 800B
SB 23-47
Jan 1996
-
O
23
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 23-48
Jan 1996
-
O
23
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 23-49
Jan 1996
-
O
23
Restricted - See Remarks
HAWKER 800 U-125A (258245, 258247, 258250)
12/24/2008
Page 33 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 23-5
May 1969
-
O
23
VHF. To introduce supressed aerial in overfin
to reduce drag.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA.
SB 23-50
Feb 1996
-
I
23
Restricted - See Remarks
HAWKER 800 U-125A (258245, 258247, 258250)
SB 23-51
Feb 1996
-
O
23
Restricted - See Remarks
HAWKER 800 U-125A (258245, 258247, 258250)
SB 23-52
Sep 1996
1
M
23
Communications - Inspection of the HF
communications system for possible
interference with the fuel quantity indicators.
Applicable to BAe 125 Series 1000 and Hawker
1000 aircraft fitted with HF radio communications
equipment.
SB 23-53
Nov 1996
-
M
23
Restricted - See Remarks
HAWKER 800 U-125A (JASDF): (258245,
258247, 258250, 258268)
SB 23-6
Apr 1971
-
I
23
Tape reproducer TP18A Mk2 PtA to add
resistor (Tele Research Ltd Mod.10 SB23-10).
Pt. B to change lead colour (Tele Research Ltd
Mod.11 SB23-11).
Model HS.125, Series 1B, 1B-522, 1B/S-522, 3B
and 3B/RA.
SB 23-7
Nov 1971
1
I
23
HF. To introduce Sunair ASB100HF Customer
Request.
The aircraft affected is 25243.
SB 23-9
Mar 1974
-
O
23
HF antenna spark gap. To improve installation
and reduce the possibility of electrical
breakdown.
Model HS.125, Series 3B/RA and 400B.
SB 23-A3
May 1968
-
R
23
Communications - H.F. Wire Aerial Installation
(Chelton) - Tail Rod Link Cracked
HS.125 with Chelton Wire Aerial fitted
12/24/2008
Page 34 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 24
Electrical Power
SB 24-1
Sep 1964
-
O
24
To introduce angle bracket in panel DA for
mounting terminal block AU to improve
accessability.
Series 1
SB 24-10
May 1965
-
O
24
DC Generation Improved battery hold down
attachments. Wing bolts have been introduced
in lieu of existing bolts and stiffnuts.
Series 1 and 1B
SB 24-100
Aug 1969
-
I
24
Voltage Regulators. To introduce Rotax
Mod.4534U to static regulator U6112.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B
SB 24-101
Aug 1969
-
O
24
To introduce new Starter Generator Adaptor
Flange Assy ZA19602/1 in lieu of ZA19602
(Mod.251533).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 24-102
Aug 1969
-
I
24
Generator Switching Units. To introduce Rotax
Mod.SW6948 to generator switching unit
F6812.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R,3A/RA, 3B/RA,
400A and 400B
SB 24-103
Jul 1969
-
R
24
Introduction of interim revised quality control
standard for Leyland MGE23-400 inverters.
Series 1A , 1A-522, 1A/S-522, 3A, 3A/R, 3A/RA,
3B/RA, 400A and 400B (Post Mod.251804)
SB 24-104
Feb 1970
1
R
24
Introduction of Leyland 2500VA inverter
MGE23-413.
Series 1A, 1A-522, 1A/S-522, 3A, 3A/R, 3A/RA,
3B/RA (Post Mod.251804), 400A and 400B
SB 24-105
Sep 1969
1
R
24
Introduction of Leyland 750VA inverter
MGH182-100.
Series 1, 1A, (A/C 25037 and 25058) 1B, 1B-522,
1B/S-522, 3B, 3B/RA, (Pre Mod. 251804)
SB 24-106
Sep 1970
1
O
24
DC Generation. To introduce six 3 amp fuses in
lieu of circuit breakers in generator output
voltage and ammeter lines.
Model DH 125, Series 3A/RA and 400A. Model
HS 125, Series 3B/RA and 400B
SB 24-108
Aug 1977
1
R
24
Electrical Power - Starter Generator, Type
BC.0107 - Malalignment of Mounting with the
Engine (Mod 252081)
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 24-109
Nov 1969
-
O
24
Introduction of provisions to trigger the CAG
system in the event of failure of 26 volt AC
supply.
Model HS.125, Series 3B/RA and 400B.
12/24/2008
Page 35 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-11
Oct 1967
1
R
24
To introduce guard on battery/emergency start
switch.
Series 1, 1A less A/C 25096 and subs. 1A, 1B
less aircraft 25097, with mod.251197.
SB 24-110
Feb 1970
-
I
24
Generator Switching Unit F6815 in lieu of
F6812. The GSU's on panel GA are
superseded by new units to provide more
protection.
Series 1 1A 1B 1B/R 1B/S 3B (A/C 25015)
SB 24-111
Nov 1970
-
I
24
Busbar Protection Unit U3626. To introduce
change of resistor on printed circuit board assy
No1 to reduce drift of overvoltage.
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1B/S-522, 3B,
3B/RA and 400B.
SB 24-112
Nov 1970
-
I
24
Generator Contactor D.11804. To introduce
crinkle washers on terminal fixings of generator
contactor (Rotax Ltd. Mod.4324-D).
Model DH.125, Series 1A and 1A-522. Model
HS.125, 1, 1-521, 1B, 1B-522, 1B/R-522,
1B/S-522 and 3B.
SB 24-113
Jan 1970
-
R
24
To identify circuit breakers and fuse on DA
electrical panel which may need to be tripped
or removed in the event of electrical fire.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 24-114
Aug 1970
-
O
24
Voltage Control Unit U8601/1. To introduce
new triple capacitors to VCU in windscreen
de-icing system.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 24-115
Oct 1971
1
O
24
Voltage Regulators. To introduce higher current
rated capacitors and improved incapsulation.
Model HS.125, Series 1. Model DH.125, 1A,
1A-522, 1A/S-522 and 3A. Model HS.125, Series
1, 1-521, 1B and 1B-522.
SB 24-117
Sep 1972
2
O
24
DC Generation. To revise circuit for 3rd battery
Pt A - 3amp fuse replaced by 5amp Pt B Battery rate increased Pt C - Mod to PE
Busbar.
Model DH.125, Series 3A/RA and 400A. Model
BH.125, Series 400A. Model HS.125, Series
3B/RA and 400B.
SB 24-119
Mar 1971
1
R
24
Introduction of new alternator brushgear
assembly.
Model DH.125, Series 1A, 1-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3B/RA and 400B
SB 24-12
Feb 1966
1
O
24
DC Generation. A new increased rating Berco
30 watt 33 OHMS resistor in No.3 starter
battery circuit and anchorage battery lead.
Series 1, 1A and 1B
12/24/2008
Page 36 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-121
Jun 1971
-
O
24
Voltage Regulators U6112 & U6120 Insulation
strips are rivetted to inside face of cover on
each voltage regulator.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R and 400A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 24-122
Dec 1970
-
I
24
Resistor in 3rd Battery Charging Circuit
Welwyn Resistor B1602 introduced as
alternative to Berco Resistor VGH/KI.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 24-123
Jul 1970
-
I
24
Starter/Generator Plated bolts for brush flex
tags introduced to prevent threads seizing in
holders resulting in damage on bolt removal.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3B/RA and 400B.
SB 24-124
Dec 1971
2
M
24
Electrical Power - Voltage Sensing Unit - To
introduce voltage sensing unit U3624/2 in lieu
of U3624 (Rotax Mod. SP.7172)
Model DH.125, Series 1A and 1A-522. Model
HS.125, Series 1, 1-521, 1B, 1B-522, 1B/R-522,
1B/S-522 and 3B.
SB 24-125
Aug 1970
1
R
24
Panel ZK addition of two relays in start/select
circuit minor wiring changes are made at
panels CG and DA in the flight compartment.
Model DH.125, Series 3A/RA and 400A. Model
HS.125, Series 3B/RA and 400B.
SB 24-126
Jan 1971
-
O
24
Starter/Generator Adapter Flanges. New screw
and bushing introduced to ensure starter
generator being securely attached to the
engine.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 24-127
Dec 1970
-
O
24
Voltage Control Unit U8601/1. Introducing new
capacitors diode and resistors to improve the
reliability of the unit.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B.
SB 24-128
Dec 1970
-
O
24
Starter/Generator New bearings Ball races Pt.
Number N188068 with rubber seals replaces
N135904, to obviate bearing failures.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B.
SB 24-129
Nov 1971
-
O
24
Toggle Switches Type LHA1 2 and 3 series
revised setting and testing to eliminate possible
open circuit of switch on applying side G.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
12/24/2008
Page 37 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-13
Jun 1965
-
R
24
Constant Frequency System. To prevent
rupture of the Airfuse during inverter start a
new 100 Amp airfuse is introduced.
Series 1, 1B and 2
SB 24-130
Aug 1971
-
R
24
Protection. To introduce protective covers over
voltage regulators in rear equipment bay.
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 24-131
Mar 1972
1
O
24
Voltage Regulators U6112 U6118 U6120.
Diodes MR21 23 24 and 25 replaced by new
type.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B
SB 24-132
Apr 1972
-
R
24
APU / Fuselage. To introduce covers over DC
Voltage Regulator.
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 24-133
Nov 1971
-
O
24
Voltage Regulators U6112 U6118 U6120.
Drainage holes added to base of chassis
assembly Rotax Mod.4435U SB 24-259.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 24-134
Apr 1972
-
R
24
DC Distribution. Possible crossed cables at
PS1 and PS2 busbars.
Applicable to HS/DH 125 aircraft, Series 1A-522,
1A/S-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B and
3B/RA pre mod.25/1721 with mod.25/1335
embodied
SB 24-135
Sep 1972
1
R
24
Windscreen Heat Generator N0904/1. To
improve reliability of the brush gear and
prevent burning and pitting of slip rings.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 24-14
Jul 1965
-
O
24
DC Generation. To introduce internal start
switch SW6100 for Series 1 Aircraft without
Mod.251197 embodied.
Series 1 (without Mod.251197)
SB 24-141
May 1973
1
M
24
Electrical Power - Busbar Protection Unit Possibility of Some Units Failing to Operate in
Low Temperature Conditions (Mod 257479)
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1B/S-522,
3B, 3B/RA, 400B, 401B, 403B and 600B
SB 24-142
May 1973
-
R
24
Over voltage during APU start.
Series 3B 3B/RA 400B
SB 24-143
Jul 1973
-
R
24
To prevent the possibility of the DC busbar
feeder cables projecting into the turbine debris
zone.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
12/24/2008
Page 38 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-144
Aug 1973
-
R
24
Ground Supply Plug. Possible high resistant
earth plug Inspection to check supply plug and
earth link are clean of paint.
Applicable to HS/DH 125 aircraft, Series 600A
and 600B
SB 24-147
Apr 1974
1
O
24
To ensure internal start available indicator light
illuminates at all times under fault conditions.
Model DH.125, Series 3A/RA and 400A. Model
BH.125, Series 400A. Model HS.125, Series
3B/RA, 400B, 401B and 403B
SB 24-148
May 1978
4
O
24
Introduction of revised APU wiring for
Mod.252248.
Model HS.125, Series 1A/S-522, 3B, 3B/RA,
3B/RC and 400B and 403B.
SB 24-149
Nov 1973
-
R
24
Cables in rear equipment bay, possible foul by
hot air pipes.
Applicable to HS/BH 125 aircraft Series 600A and
600B
SB 24-15
Sep 1965
-
O
24
To introduce Fepeil cable at wiring to main and
nose leg lock and oleo micro switches in place
of Uninyvin.
Series 1, 1A and 1B
SB 24-150
Feb 1974
-
O
24
To introduce improved 115V 400Hz AC system
embodying frequency protection.
Model HS.125, Series 3B/RA.
SB 24-151
Jan 1974
-
R
24
Constant frequency system. Possible incorrect
positioning of contactor E on panel ZC.
Applicable to HS/BH 125 aircraft Series 600A,
600B and 400B
SB 24-152
Feb 1975
1
R
24
To introduce improvements to Bus tie.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 24-154
Sep 1974
-
R
24
Electrical Power Distribution. Possibility of
incorrect spacers at relay panel mounting
causing fouling and malfunction.
Applicable to HS/BH 125 aircraft series 600A and
600B
SB 24-155
Oct 1974
-
R
24
Rotax Starter Generator. Improved lubrication
of drive shaft splines.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 401B, 403B and 600B
SB 24-156
Oct 1974
-
R
24
Starter/Generator Air Cooling Duct. Erosion of
interior.
Applicable to HS/DH/BH 125 aircraft, Series
400A, 400B, 600A, 600B and all variants.
SB 24-157
Oct 1974
-
O
24
Battery Installation. To introduce additional
supports for battery vent pipes.
Model DH.125, Series 3A/RA and 400A. Model
BH.125, Series 400A. Model HS.125, Series
3B/RA, 400B, 401B and 403B.
SB 24-158
Nov 1974
-
O
24
Third battery to improve accessibility the
outboard battery securing bolts are replaced by
a lipped mounting plate.
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 3B,
3B/RA, 400B, 401B, 403B and 600B.
12/24/2008
Page 39 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-16
Feb 1966
1
O
24
Starter/Generation Circuit. An airfuse is
introduced in the PE bus bar supply cable to
obviate the possibility of losing all electronics.
Series 1, 1A and 1B
SB 24-17
Jul 1965
-
O
24
No.3 Battery. To introduce Varley ignitor
battery VPT 24-11-4H in lieu of VPT 24-11-4.
New battery has more robust terminal posts.
Series 1, 1A, 1B and 3B
SB 24-170
Jun 1983
3
O
24
Constant Frequency Inverters. To introduce
JETS1-2500 25KVA static inverters
501-1128-01 in lieu of Leland MCE23413
25KVA.
Model DH.125, Series 3A/RA, 400A and 400A(C).
Model BH.125, Series 400A and 600A. Model
HS.125, 3B/RA, 3B/RC, 400B, 403B, 600A and
600B.
SB 24-171
Feb 1975
-
R
24
Distribution. Possible foul between supply fuse
for stereo tape system and outlet duct for cold
air unit.
Applicable to HS 125 Series 600B aircraft fitted
with stereo tape system.
SB 24-178
Apr 1975
-
M
24
Electrical Power - Distribution - Displacement
of Hellerman Cabin Pressure Seal Bungs
Applicable to HS/DH/BH 125 aircraft, all series.
SB 24-18
May 1966
1
O
24
Electrical Load Distribution. To modify starter
circuit wiring to enable an engine start cycle to
be terminated.
Series 1, 1A and 1B
SB 24-180
Oct 1975
-
O
24
Provision for retrospective introduction of nickel
cadmium main batteries. Cables required for
installation of Saft batteries.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 24-181
Oct 1975
-
O
24
Saft Nickel Cadmium batteries replace the
existing lead acid batteries. Batteries are
interchangeable but the vent pipe is not.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 24-182
Sep 1975
-
R
24
Maintain integrity of altitude alert system servo
altimeter in the event of PE transducer circuit
breaker being tripped.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 24-184
Apr 1978
1
O
24
DC Generation. To improve the accuracy of
ammeter readings 95 M/V shunts Pt No 1617U
or 1617S replace 75 M/V shunts Pt No
WOP1607S or U. Main generator shunts.
Model DH/HS.125 Series 1and 3. Model
HS/BH.125 3, 400, 401, 403 and 600.
SB 24-185
Sep 1975
-
R
24
No3 Battery Intercell Leakage 3 monthly check
on Varley batteries Pt. Number 24-11/4H with
serial Numbers A6945 to A8391 inclusive.
Applicable to HS.125 aircraft, all series without
mod.251890, but excluding Series 400 and subs.
aircraft.
12/24/2008
Page 40 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-186
Jul 1979
1
O
24
Main Batteries. Retrospective introduction of
saft nickel cadmium batteries in lieu of
Dagenite lead acid to meet operators
requirements.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA, 400A and 400A(C). Model BH.125,
Series 400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 3B, 3B/RA, 3B/RC, 400B and 403B.
SB 24-19
Sep 1965
-
O
24
To introduce revised fastening of covers for
electrical panels ZL and ZK in rear fuselage.
Series 1, 1A and 1B with Mod.251197
incoporated.
SB 24-192
Jul 1976
-
I
24
Static inverters.To introduce JET Electronics
static inverter 501114801 in lieu of 501112801.
Model DH.125, Series 3A/RA, 400A and 403A(B).
Model BH.125, Series 400A and 600A. Model
HS.125, Series 600A, 3B/RA, 3B/RC, 400B, 403B
and 600B.
SB 24-194
Jul 1976
-
R
24
Overheating of internal connections of PEDQ/F
Mk. 3 batteries.
Applicable to HS/DH/BH 125 aircraft, all series up
to and including Series 600A and 600B.
SB 24-2
Dec 1964
1
M
24
Electrical Power - To introduce battery heating
for the forward batteries
Series 1 prior to the embodiment of Mod.251197.
SB 24-20
Dec 1965
-
O
24
DC Generation. To transfer the fuse supplying
the start half of the LDK150 Y1 contactor from
battery No.2 to Battery No.3.
Series 1, 1A and 1B with Mod.251197.
SB 24-200
Sep 1977
1
R
24
Chloride main batteries. Unsatisfactory initial
charge of batteries with dry charged cell blocks.
Applicable to HS/DH/BH 125 aircraft, all series
fitted with Chloride main batteries.
SB 24-201
Jun 1978
2
R
24
APU Generation. To introduce improved APU
Generator over voltage protection.
Model DH.125, Series 1A/S-522 and 600A. Model
HS.125, Series 3B, 3B/RA, 3B/RC, 400B, 403B
and 600B.
SB 24-202
Oct 1977
-
R
24
Inverter Protection Unit Improved attachment of
capacitor C3. Inadequate attachment has
resulted in fractures on the connections.
Model BH.125, Series 600A. Model HS.125,
Series 600A, 700A, 3B/RC, 403B and 600B.
SB 24-203
Dec 1977
-
M
24
Electrical Power - Lights - Beacon - One cable
(GG:AD:4R to ZZ:C10:R) Size 16 replaces the
existing standard cable
Series 700A and 700B
SB 24-204
Dec 1977
-
R
24
Lucas Contactor LDK150Y1 Lucas Mod.5148D
introduces changes to auxiliary contact bar.
Model DH/HS.125, Series 1, 3 and all variants
(pre mod. N/A post mod.251197. Model
HS/BH.125, Series 400, 401, 403, 600 and all
variants (pre mod. N/A post mod.251197)
SB 24-205
Apr 1978
1
O
24
To permit defuelling operations subsequent to
a surge tank overfill condition.
Model HS.125, Series 700 and all variants (Post
Mod.252545).
SB 24-206
Jan 1978
-
R
24
DC Generation. Generator cables chafing on
edge of aperture in the fuselage skin.
Applicable to HS 125 Series 700 aircraft.
12/24/2008
Page 41 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-207
Apr 1983
7
R
24
Electrical power - DC ground supply Overvoltage control introduced for ground
power contactor circuit
Series 1, 3, F3, F1, 400, F400, 600, F600, 700A
and 700B
SB 24-208
Oct 1978
1
R
24
Lear Siegler Starter Generator 23076-005.
Introduction of new improved cooling fan.
Model HS.125, Series 700 and all variants.
SB 24-209
Apr 1980
2
I
24
To inhibit main engine start initiation when
starter/generator is in generate mode as severe
damage will result if engine is rotating.
Model DH/HS.125, Series 1, 3 and all variants
(Pre Mod.252608 post Mod.251335). Model
HS/BH.125, Series 400, 401, 403 and all variants
(Pre Mod.252556 post Mod.251721). Series 600
and all variants (Pre Mod.252475 Post
Mod.252110)
SB 24-21
Apr 1966
-
O
24
DC Generation. To introduce Leach relays in
lieu of Hendry relays which have proved
troublesome in service.
Series 1, 1A, 1B and 3
SB 24-210
Mar 1982
3
R
24
Ignition Deletion of igniter relays and revision of
ignition wiring to improve engine starting when
using GPU.
Model HS.125, Series 700A and 700B.
SB 24-212
Jul 1979
-
R
24
Constant Frequency System. To introduce
hold-on facility for any inverter in use during
engine start cycle.
This bulletin is applicable to HS 125 aircraft of
Series 1A, F-1B, F-1B/S, 3A, F-3B, 3A/RA,
F-3B/R, 400A, F-400B, 600A, F-600B, 700A and
700B.
SB 24-213
Jul 1979
-
R
24
Electrical Power - To provide a stable voltage
at ground power contactor during engine starts
All Series with TFE 731 engines
SB 24-214
Aug 1979
-
R
24
DC Generation. Possible generator line
contactor malfunction.
All Series with TFE 731 engines
SB 24-215
Sep 1979
-
R
24
Power supplies for hydraulic low pressure
warning annunciators transferred from PSI and
PS2 to PE busbar.
Model HS.125, Series 700 and all variants.
SB 24-216
Oct 1979
-
R
24
Electrical Power - To eliminate a spurious XS1
FAIL warning
All Series and all variants thereof up to and
including Series 700 with TFE engine installation.
Series 600A and 600B with Viper Engines. Series
400A and 400B and variants Post Mod.252185
with Viper Engines.
SB 24-217
Dec 1979
-
R
24
Distribution. Possible deterioration of earth
station 26.
Applicable to all HS/BH/DH 125 aircraft with either
Viper or Garrett TFE engines up to and including
Series 600 except Series 1 aircraft 005 and 008.
12/24/2008
Page 42 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-218
Dec 1979
-
R
24
Interference suppression added to engine
De-ice system. Possible nuisance "bright ups"
on MWS by voltage spikes.
Series 700A, 700B, 600A and 600B.
SB 24-219
Jan 1980
-
R
24
Interference suppression added to engine
nacelle intake de-ice system.
Series 600A, F600B, 700A and 700B
SB 24-22
Nov 1970
1
R
24
DC Generation. Voltage regulators U6118. To
introduce Rotax Mod.4220U (Rotax SB24-127).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B.
SB 24-220
Mar 1983
3
M
24
Electrical Power - Distribution. - Panel 'ZL'
addition of protective covers
All Series fitted with Garrett TFE 731 engines up
to and including Series 700A and 700B.
SB 24-221
Jun 1980
-
R
24
DC Ground Supply. Deletion of redundant earth
cable from ground supply power supply
overvoltage sensor.
Applicable to HS 125 aircraft Series 700
SB 24-222
Oct 1980
-
R
24
Distribution. Possible damage to cable loom
adjacent to weather radar indicator.
Applicable to HS 125 aircraft of Series 700A and
700B.
SB 24-223
Jul 1980
-
O
24
Electrical Power - APU - To introduce resistor
across each of two current transformers in APU
Generating circuit
All Series with TFE 731 engines installed. Series
700 a/c post mod.256818. Series 600 a/c post
mod.256856.
SB 24-224
Jul 1980
-
R
24
Squat Switch Relay Supply. For relay
transferred from battery No1 to battery No2
busbar.
Series 700B
SB 24-225
Oct 1980
-
M
24
Electrical Power - Fuel Computers DC power
supply transferred to 'PE' busbar from 'PE2'
busbar
Model HS.125, Series 1A, 400A, F400B, 600A
and 700A, 700B.
SB 24-226
Aug 1980
-
R
24
Static inverters.To introduce suppression
diodes in external control circuit to the prevent
the inverters tripping out.
All Series with TFE engines installed, Series
600A, 600B, 400A, 400B, 3A/RA and 3B/RA with
Viper engines (Post Mod.256574 Parts A,B,C or
D).
SB 24-227
Sep 1980
-
R
24
Electrical Power - D.C. voltage regulator
circuits - To improve the electrical screening of
leads
All Series with TFE 731 engines
SB 24-228
Oct 1980
-
R
24
Possible incorrect cable termination at inverter
protection unit.
Series F400B, 700A and 700B.
SB 24-229
Jul 1981
1
R
24
Electrical power - A.P.U. start circuit - To
prevent main generators supporting an A.P.U.
start
All Series with TFE 731 engines Mod.251605 (up
to A/C 257124)
12/24/2008
Page 43 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-23
Mar 1966
-
O
24
Load Distribution. To introduce a delay unit in
the oil low pressure system warning.
Series 1, 1A, 1B and 3
SB 24-230
Jun 1982
3
M
24
Electrical Power - Electrical Interference
suppression. Parts A and B - Windscreen heat
power cables. Parts C and D - Generator
Control Units
Series 700A and 700B
SB 24-231
May 1981
-
R
24
Electrical power – Radio frequency interference
suppression – Part A: reduced length earth
leads at fuel amplifiers – Part B: addition of
earth posts *12, ‘D’ and ‘E’
Series 600A, F600B, 700A and 700B
SB 24-232
Feb 1982
1
O
24
Wing electrical installation. To introduce
terminal block cover and shorter bonding straps
at access panels in forward fairing.
Model HS/BAe.125, Series F-400B, 700A and
700B.
SB 24-233
Oct 1981
-
R
24
Electrical power - To improve bonding of the
generator control unit and the unit cable loom
Series 700A, 700B, 600A, F600B, 400A, F400B,
3A/RA, 3A/R, 3A, F3B, 1A/S, 1A, F1B/S, F1B/R
and F1B.
SB 24-234
Feb 1985
2
R
24
Electrical power - To revise the operating delay
facility of heavy duty contactors during main
engine and A.P.U. starting
Model DH/HS.125, Series 1A, F-1B, F-1B/S, 3A/R
and F-3B/RA. Model HS/BH.125, Series 400A,
F-400B, 600A and F600B. Model HS/BAe.125,
Series 700 and all variants.
SB 24-235
Jan 1982
-
R
24
Main cable looms. Possible foul on fuselage
structure.
Applicable to HS 125 aircraft Series 700
SB 24-236
Apr 1983
1
R
24
Electrical power - To introduce an improved
emergency contactor (Leach)
Series 700A and 700B to Post Mod 252573- Pre
Mod 256990 and all other Series retro fitted
Garrett TFE 731 engines to Pre Mod 256990
SB 24-237
Jan 1983
-
R
24
Electrical power - To introduce equipment with
built in suppression
Model HS/DH/BH 125 Series Aircraft with Garrett
TFE-731 Engines are affected. 1A, 3A, 3A/RA,
F-3B, F-3B/RA, 400A, F-400B, 600A, F600B,
700A and 700B.
SB 24-238
Feb 1983
-
R
24
MWS and ADS80 System. To reduce electrical
noise effects. To prevent spurious MWS bright
ups. Resistor R14 on MWS board 'H' is
changed in value from 5K6 ohm to 8K2 ohm.
Series 600 (up to A/C 256071) 700 (up to A/C
NA0339 and up to A/C 257196)
SB 24-239
Feb 1984
1
M
24
Electrical power - Load distribution - To
introduce uprated feeder fuses in the PE
busbar circuits on panel ZL
Model DH/HS/BH/BAe.125, Series 1A, 3A, 3B,
400A, 400B, 600A, 600B, 700A, 700B and all
variants.
12/24/2008
Page 44 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-24
May 1966
1
O
24
Electrical Load Distribution. To introduce potted
filter into meterflow fuel flow circuit.
Series 1A and 1B
SB 24-241
Jan 1984
-
R
24
Earth cable to flight deck roof panel re-routed.
Applicable to HS.125, Series 700 aircraft up to
and including 700A and 700B.
SB 24-242
Mar 1984
-
M
24
Electrical Power - Navigation - Revised ADS 80
power supplies and associated improved
instrument flag operation
Model HS.125, Series 700B
SB 24-243
Jul 1984
-
O
24
Electrical Power - To re-route the cables to No.
1 Battery
Model HS.125, Series 700A and 700B
SB 24-244
Feb 1985
-
R
24
Electrical Power - Stall warning & Identification
system - To revise the annunciator and fault
indicator circuits
BAe 125 Series 800A and 800B
SB 24-245
Dec 1985
1
R
24
Electrical Power - Bus-tie contactor LDA 150
A8C - Possible failure of main contacts to make
due to insufficient overtravel of contact.
Applicable to DH/BH/HS/BAe.125 aircraft except
Series 1A and 1B pre mod.251335.
SB 24-247
Feb 1985
-
R
24
Electrical Power - To introduce additional
relays in the windscreen Panel 'A' temp control
circuits
Series 800 (up to A/C 258030)
SB 24-248
Mar 1985
-
M
24
Electrical Power - EFIS power supply - Revised
heat sink sub-Assembly
Series 700B, 800A and 800B
SB 24-249
Apr 1985
-
M
24
Electrical Power - Windscreen heat controllers Revised overheat monitoring control
Model BAe.125, Series 800A and 800B.
SB 24-25
Nov 1970
1
O
24
DC Generation. Starter Generators. Improved
starter generators are fitted with a grease
retaining housing.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/S-522, 1B/R-522 and 3B (25/015,
062 and 069).
SB 24-250
Apr 1985
-
M
24
Electrical Power - Panel 'DA' - Improved
protection for electrical cables
Model BAe.125, Series 800A and 800B.
SB 24-251
Apr 1985
-
M
24
Electrical Power - Revised Signal Summing
Unit Earth Connections
Model BAe.125 Series 800A and 800B.
SB 24-252
Jun 1985
-
R
24
Electrical Power - To introduce revised earth
circuit arrangements
Model BAe 125 Series 800A and 800B.
SB 24-254
Sep 1986
-
O
24
Electrical Power - Additional electrical interlock
between battery contactors and engine start
contactors
Model BAe.125 Series 700A, 700B, 800A and
800B.
12/24/2008
Page 45 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-255
Oct 1985
-
M
24
To check for a possible foul between the TKS
deicing pump and an adjacent electrical loom.
Applicable to all HS.125 aircraft, Series 400B to
700B inclusive, post mod.252049.
SB 24-256
Jun 1986
-
O
24
Electrical power – Replacement relays – Part
A: central attention unit – Part B: panel DA-S
ammeter relay
All Series up to and including 403B (A/C 25249)
SB 24-257
Jul 1986
-
R
24
Standby Power - To inhibit No.2 jet battery
pack charging during test operation
Model BAe.125 SEries 800A and 800B
SB 24-259
Nov 1986
-
M
24
Electrical Power - Panel ZK - Panel extension
revised. To provide improved segregation
Model BAe.125 Series 800A and 800B
SB 24-26
Apr 1966
-
O
24
DC Generation. To improve the attachment of
ammeter shunt fuse assembly the existing
screws are replaced by hexagon headed bolts.
Series 1, 1A, 1B and 3
SB 24-260
Mar 1987
-
M
24
Electrical Power - Component installation Possible foul between pillar stud and electrical
loom
Applicable to BAe 125 aircraft Series 800.
SB 24-261
Mar 1988
1
R
24
Electrical power – Wiring installation –
Rerouting of wiring installation at panel ZL
Series 800
SB 24-262
Jun 1987
-
M
24
Electrical power - Distribution - To improve the
integrity of the power supply to the laseref
inertial reference system (YE1779A)
Series 800B
SB 24-263
Jan 1988
1
M
24
Electrical Power - Smoke Drill - Additional
circuit breaker identification labels
Series 700B, 800A and 800B.
SB 24-264
Jun 1988
1
M
24
Electrical Power - DC bus-tie system - Inspect
for correct operation
Applicable to all DH/HS/BAe 125 aircraft whcih
have a split D.C. busbar system.
SB 24-265
May 1988
-
R
24
Electrical Power - APU Generation - APU
Generator control unit circuit revised
Series 800B (A/C 258091 094 097)
SB 24-266
Apr 1994
2
I
24
Electrical Power - Battery - Introduction of
SAFT (NI-CAD) Batteries in place of GATES
(Lead Acid)
Model BAe 125 Series 800.
SB 24-267
Aug 1988
1
M
24
Electrical Power - AC Generation - Revised
cable termination at both AC Generator control
units
All Series 800A and 800B aircraft with the
exceptionof258088, 258106, 258115, 258116,
258118, 258120, 258122 and subs. which have
the mod. emobodied during manufacture before
delivery.
12/24/2008
Page 46 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-268
Apr 1989
3
M
24
Electrical Power - Starting - Hartman Contactor
A848MAS, A848KHS, A848KSS mounting
arrangement revised
Series 600 and 700
SB 24-269
Jun 1989
-
R
24
Electrical power - Elcon battery disconnects Inspect for satisfactory condition
All Series with Elcon Battery Disconnect Pt.
No.BD6-3
SB 24-27
Dec 1970
1
I
24
DC Generation Starter. New brush cover
assembly added increased in width and with
cutaway to clear terminal block.
Series 1 and 1A
SB 24-270
Mar 1989
-
M
24
Electrical Power - Cable installation - Chafing
of electrical cable looms above panel DA-E
Applicable to BAe.125 aircraft Series 800.
SB 24-271
Oct 1989
1
R
24
Restricted - See Remarks
Series 800A (A/C 258129)
SB 24-272
Dec 1989
-
R
24
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 24-273
Dec 1989
-
R
24
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 24-274
Mar 1990
1
R
24
Electrical Power - Introduction of Leland static
inverters Part No. ASH 664-1PF
Series 800A Post Mod.253135A
SB 24-275
Sep 1990
-
O
24
Panel 'DA'. Introduction of replacement
ammeter for LH pitot heater circuit.
Series 1 3 and 400
SB 24-276
Mar 1990
-
R
24
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 24-277
Mar 1990
-
O
24
To Introduce Jet 1250VA static inverters in lieu
of Leland 1500VA static inverters.
Series 800A (258166)
SB 24-279
Nov 1990
-
M
24
Rear fuselage. Introduction of a cover for the
standby inverter. To reduce the possibility of
the inverter being contaminated by
condensation.
Series F600A and F600B aircraft Post
Mod.252475. Series 700A and 700B aircraft Post
Mod.252509.
SB 24-28
Dec 1970
1
I
24
DC Generation Starter. Introduction of Rotax
Mod.4104B (SB 24-75). To ensure satisfactory
locking of brush and cover assembly.
Series 1, 1A and 3B (25/015)
SB 24-280
Feb 1992
1
O
24
Electrical Power - Landing Lamp Control Circuit
- Introduction of replacement relays Leach Part
No. M520-U5N
Series 600 700 800
SB 24-281
Jun 1991
-
I
24
Electrical power - Inspection of SAFT
nickel-cadmium battery terminal block for
insulation breakdown
Applicable to all BAe 125 aircraft which are
equiped with SAFT Nickel-cadium batteries as
identified by Serial Numbers listed in SAFT
Bulletin.
12/24/2008
Page 47 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-282
Jun 1993
1
R
24
Power plant - Power plant accessories Introduction of engine and APU
starter/generator models 23076 and 23080 with
new bearings
All Series with Lear Siegler Starter/Generators
fitted
SB 24-284
Dec 1991
-
R
24
Electrical Power - Auxiliary Power Unit - To
relocate the generator control unit earth wire
All Series F3B Post Mod.251601/256859, All
Series F400B Post Mod.256859, All Series F600B
Post Mod.256856, All Series 700B Post
Mod.256818 - all with Garrett Auxiliary Power Unit
installation. All Series 800B Post
Mod.258706/259404B ewith Garrett or
Turbomach Auxiliary Power Installations.
SB 24-285
Jan 1992
-
O
24
Electrical Power - Main Batteries - To introduce
battery heater muffs for NiCad batteries
All Series 800 aircraft Pre and Post Mod.253149
fitted with Ni-Cad Batteries.
SB 24-286
Nov 1992
-
O
24
Electrical Power - Main Batteries - Introduction
of Hawker sealed lead acid battery with integral
heater
Series 800 aircraft Post Mod.253187A.
SB 24-287
Feb 1992
-
O
24
Electrical Power - Landing Lamp Control Circuit
- Introduction of replacement relays Part
Number M520-U5N-L
Series 600, 700 and 800 Post Mod.253258A, B
orC.
SB 24-288
Feb 1992
-
M
24
Electrical Power - Smoke Drill - Introduction of
white indicator labels to windscreen heat power
supply circuit breakers
Series 800
SB 24-289
Apr 1992
1
M
24
Generator control. To introduce additional
generator control arrangements and relocate
G.C.U. earth wires.
Series F1, F3, F400, F600, 700 and 800
SB 24-29
Dec 1970
1
O
24
DC Generation Starter. Introduction of Rotax
Mod.4096B (SB 24-78). New suppressor tray
assembly bolted instead of welded.
Series 1, 1A and 3B (25/015)
SB 24-290
Jul 1992
-
O
24
Electrical power - Main batteries - Introduction
of Hawker type 25AH capacity sealed lead acid
batteries
All Series aircraft up to and including Series 600
equiped with Chloride, Dagenite or similar Leed
Acid type batteries.
SB 24-292
Jun 1992
-
R
24
Electrical power - Inspection of battery
connectors (Elcon) for presence of shipping
plugs
All Series up to and including 1000
SB 24-293
Feb 1993
2
M
24
Introduction of revised mounting arrangements
for the Battery and Emergency Contactors.
Series 700 and 800
12/24/2008
Page 48 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-294
Apr 1994
-
R
24
Electrical Power - Panel ZZ - To relocate
Auxiliary Power Unit control power supply to
the PE2 busbar
BAe 125 Series 1000A, 1000B and Hawker 1000.
SB 24-295
Aug 1992
-
R
24
Electrical Power - Inspection of DC power
distribution panel ZK-A to ensure that correctly
rated fuse and label are fitted
Applicable to 1000A and 1000B.
SB 24-296
Feb 1993
-
O
24
Electrical Power - Main Batteries - Introduction
of modified cable clipping to improve clearance
of RH Battery Vent Pipe
Series 1000A and 1000B.
SB 24-297
Aug 1992
-
R
24
Electrical Power - Inspection of cable loom(s)
for possible damage caused by main entry door
mechanism
Applicable to BAe 125 Series 1000.
SB 24-298
Apr 1993
-
O
24
Electrical Power - Introduction of an additional
heated portion of galley drain
Series 1000A and 1000B Post Mod.253373A and
253373C.
SB 24-3
Nov 1964
-
O
24
Improved earth station for fuel pumps to reduce
the possibility of corrosion.
Series 1, 1A and 1B
SB 24-30
Dec 1970
1
O
24
DC Generation Starter . Introduction of Rotax
Mod.4062B (SB 24-30). Capacitor assembly
have welded clamps to prevent movement.
Series 1, 1A and 3B (25/015)
SB 24-301
Mar 1995
-
R
24
Batteries. To introduce a revised battery
voltage measurement circuit.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 24-302
Jun 1993
-
O
24
Electrical Power - DC Generation - Introduction
of Lucas starter generator part No. 23091-002
Series 1000 (259036)
SB 24-303
Apr 1994
-
O
24
Introduction of wiring provision for an additional
PS1 feeder cable between Panels GC and
DA-K and an additional power link between
busbars PS1 and PE(a)
BAe 125 Series 1000 aircraft 259003 to 259036
inclusive.
SB 24-304
Mar 1993
-
O
24
Electrical Power - Battery venting - To
introduce an elbow at the right main battery
vent
Series 1000A and 1000B
SB 24-305
Nov 1994
-
R
24
Introduction of revised power supplies for the
FADEC Engine 1 and Engine 2 overspeed
circuits.
BAe 125 Series 1000A, 1000B and Hawker.
SB 24-306
Oct 1993
-
R
24
Electrical Power - Inspection of AC generator
and starter/generator for presence of improved
attachment bolts
Applicable to BAe 125 Series 1000
12/24/2008
Page 49 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-3068
Feb 1999
1
R
24
Replacement of APU Diodes on panel ZK-A
and installation of heat sinks
BAe 125 Series 1000A/B and Hawker 1000
SB 24-307
Jun 1993
-
R
24
Superseded by SB 24-317
Applicable to HS/BAe 125 series 700 and 800
SB 24-308
Jul 1994
1
M
24
Electrical Power - Standby Inverter - To
introduce improved sealing of the printed circuit
board assembly in the static inverter (Type
PC250)
Hawker 800, BAe 125 Series 800A and Series
800B and all DH/BH/HS/BAe 125 Series 700
aircraft which are Post Mod.252740.
SB 24-309
Dec 1993
-
R
24
Electrical Power - Revision to the quick
attach/detach kit for starter/generator
23091-002
Series 1000 Post Mod.253416A
SB 24-31
Dec 1970
1
O
24
Introduction of Rotax alternator Mod.R6611
(SB 24-123).
Series 1, 1A, 1A-522 and 1B
SB 24-310
Feb 1994
-
M
24
Electrical Power - Lighting - To introduce a
circuit breaker at the transformer output for the
6V lighting circuits
Series 600A, 600B, 700A and 700B
SB 24-310 - INSP
Aug 1993
-
R
24
Inspection of panel RY for signs of overheating
of cable looms and connectors.
Series 600A, 600B, 700A and 700B
SB 24-312
Sep 1996
1
O
24
Electrical power - Main batteries - To introduce
Hawker type 25 AH capacity sealed lead acid
batteries
Model DH/HS 125 Series 1, 3 and 400 aircraft
which are post mod256734A, 256734B, 256734C,
256734D or 256734E.800XP which are Post
Mod.253563C.
SB 24-3122
Jul 1999
-
O
24
ELECTRICAL POWER - MAIN BATTERIES To Improve Access to Batteries
BAe 125 Series 1000A and 1000B airplanes
equipped with Saft Batteries.Hawker 1000
airplanes equipped with Saft Batteries
SB 24-313
Dec 1994
-
M
24
Inspection of cable loom for possible damage
caused by flap selector spring strut.
applicable to BAe Series 1000A, 1000B and
Hawker 1000.
SB 24-314
Oct 1994
-
O
24
To Introduce circuit breakers on panel GN and
Panel GU in place of fuses.
BAe 125 Series 1000A, 1000B and Hawker 1000.
SB 24-315
May 1995
-
R
24
DC Electrical load distribution. To transfer the
power supply for GPS from PS2 Busbar to PE
Busbar.
BAe 125 Series 1000
SB 24-316
Feb 1995
-
R
24
Electrical Power - Power Plant Accessories Introduction of Engine and APU
Starter/Generator models 23076 and 23080
with new bearings
All Series 800 and 1000 (With Starter/Generator
unit)
12/24/2008
Page 50 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-317
Dec 1994
-
M
24
Electrical Power - Inspection for integrity of
soldered diode connections on panels ZL
(Series 800) or ZK (Series 1000)
Applicable to BAe 125 Series 800A, 800B, 1000A,
1000B, Hawker 800 and 1000
SB 24-319
Feb 1995
-
M
24
Electrical Power - Emergency power supply
unit - To revise 'Jet Pack' battery output voltage
monitoring
BAe 125 Series 800B (258211)
SB 24-32
May 1966
-
I
24
Inverter Cooling. Change-over valve, new valve
body/assy.
Series 1A
SB 24-320
Jun 1997
-
M
24
Restricted - See Remarks
BAe 125 Series 800A (U-125 only) 258215 and
58227 (JASDF)
SB 24-3201
Oct 1998
-
M
24
Inspection/Replacement of chafed wire bundles
on the front ventral tank transfer/crossfeed
valve and transfer valve
Models 1000
SB 24-3202
Oct 1999
-
O
24
Electrical power - Replacement of power
diodes on panel 'ZL'
HS 125 Series F3B, F3B/RA, F400B, F403B,
600A, F600B, 700A and 700B. DH 125 Series 1A,
3A, 3A/RA and 400A. BH 125 Series 400A and
600A. BAe 125 Series 800A and 800B. Hawker
800.
SB 24-3212
Aug 1999
-
M
24
Electrical Power - Inspection/Repair of wire
bundle from panel 'JA'
Hawker 800XP, Serials 258266, 258277 through
258287, 258289 through 258304, 258307 through
258324, 258326 through 258332, 258334 through
258340, 258342 through 258347, 258349 through
258359, 258361 through 258369, 258371 through
258380, 258382 through 258406 and 258408
through 258424.
SB 24-3213
Feb 2000
1
M
24
Restricted - See Remarks
Hawker 800 (U-125A) JASDF airplanes
SB 24-322
Jul 1996
-
M
24
Electrical Power - To introduce covers to the
flight deck terminal blocks 'CQ' and 'CR'
BAe 125 Series 800A, 800B, Hawker 800, Special
Variants (C29A,U-125A) and Hawker 800XP.
SB 24-3224
Mar 2000
1
M
24
Electrical Power - Inspection of wiring harness
for chafing and modification if required
Hawker 800XP
SB 24-324
Oct 1996
-
R
24
Restricted - See Remarks
Hawker 800 U125A (JASDF) (258245, 258247,
258268, 258250)
SB 24-3272
Oct 2000
1
M
24
Electrical Power - Inspection / Relocation of
Power Source for Instrument Panel and LH and
RH Cockpit Blowers
HS 125 Series 700A. BAe 125 Series 800A and
Hawker 800 which utilize a Brailsford model
TBL-2.5 blower installed in accordance with the
drawings listed in Table X and/or Table Y of this
bulletin. Hawker 800XP
12/24/2008
Page 51 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-3278
Aug 2000
-
M
24
Electrical Power - Introduction of Leland Static
Inverters P/N ASH664-5 and Modifications to
Bus Links XS1 and XS2
BAe.125 Series 800A/800B, Hawker 800, and
Hawker 800XP. BAe.125 Series 800A Major
Variant U-125. Hawker 800 Major Variant
U-125A.
SB 24-33
Dec 1970
1
O
24
Introduction of Rotax alternator Mod.3993B (SB
24-45).
Series 1, 1A, 1A-522 and 1B
SB 24-3321
May 1999
-
O
24-00
Electrical Power - Lead Acid Main Battery
Spares Replacement
Beechjet Model 400A, Serials RK-98 and after.
SB 24-3330
Aug 2006
1
O
24
Electrical Power - Introduction of Replacement
Circuit Breakers
BAe125 Series 1000 and Hawker 1000 Pre Mod.
25F606B
SB 24-3338
Aug 2001
-
O
24
Introduction of Replacement Circuit Breakers
BAe 125 Series 800A/800B (including Major
Variants C-29A and U-125); Hawker 800 and
Hawker 800XP which are Pre Mod. 25F606A;
Hawker 800 (U-125A) (JASDF) which are Pre
Mod. 25E134A.
SB 24-3389
Mar 2000
-
M
24
Restricted - See Remarks
BAe 125 Series 800 (U-125) JASDF, Serials
258215, 258227 and 258242;Hawker 800
(U-125A) JASDF, Serials 258245, 258247,
258250, 258268, 258288, 258305, 258306,
258325, 258333, 258341, 258348, 258360,
258370 and 258381.
SB 24-34
Jun 1966
-
O
24
DC Generation Starter. Introduction of Rotax
Mod.4016B. Cored brushes in grade PDM4A to
replace grade 555 brushes.
Series 1, 1A and 1B
SB 24-3436
Feb 2001
-
O
24
Restricted - See Remarks
Hawker 800 (U-125A)
SB 24-3453
Jan 2001
-
M
24
Electrical Power/Inspection of Electrical
Connections on Panels GG, CG and DA.
Hawker 800XP
SB 24-35
Jun 1966
-
O
24
DC Generation. Voltage Regulator U6112
Introduction of Rotax Mod.39944 to enable
regulator to operate at higher temperature.
Series 1, 1A and 1B Pre Mod.251323
SB 24-3555
Jun 2004
1
M
24
Electrical Power - 'DA-A' Panel Wiring
Modification for Emergency Radio
Hawker 800XP, Serial Numbers 258541, 268556
and 258567 through 258608.
12/24/2008
Page 52 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-3588
Sep 2003
1
M
24
ELECTRICAL POWER - Inspection/Repair of
Wire Bundles from Panel ’JA’ and Pressure
Bung 'DD'
BAe.125 Series 800A and Series 800B, Serials
258091 through 258128, 258130, 258132,
258133, 258135 through 258150, 258152,
258153, 258155, 258157, 258160 through
258214, 258216 through 258226, 258228 through
258241, 258243, 258244, 258246, 258248,
258249
SB 24-3641
Feb 2004
-
O
24
FUEL - REFUEL PANEL UPGRADE WITH
LOWER BATTERY CONSUMPTION
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258669.
SB 24-3664
Jun 2004
-
M
24
Electrical Power - Wiring Modification for
Airshow® Cabin Display
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258598, if equipped with
Airshow® Cabin Display.
SB 24-3693
Feb 2005
-
R
24
Electrical Power - Starter-Generator Shield
Ground Relocation
MU-300, Serials A003SA through A091SA; 400,
Serials RJ-1 through RJ-65; 400A, Serials RK-1
through RK-422 400T(TX), Serials TX-1 through
TX-13.
SB 24-37
Jun 1966
-
O
24
Constant Frequency System EKCO Inverter
150VA/182. Change of capacitor valve to
ensure reasonably volts across transistor.
Series 1 Pre Mod.251174. 1A Post Mod.251067
(25062 and 25069).
SB 24-3724
May 2005
-
M
24
Electrical Power - Inspection/Replacement of
Hydraulic Overtemperature Switch Fuse
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258713.
SB 24-3745
Sep 2005
1
M
24
Electrical Power - Inspection of DA-A Panel
Bussing
Hawker 800XP, Serial Numbers 258541, 258556,
258567 through 258609, 258611 through 258628,
258630 through 258684 and 258686 through
258728.
SB 24-3751
Mar 2006
-
O
24
Fuel - Refuel panel upgrade with lower battery
consumption for Aircraft equipped with weather
graphic CDU (S)
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258669 (if Service
BulletinNo. 34-3750 is accomplished prior to or
concurrent with accomplishment of this Service
Bulletin).
SB 24-3772
Feb 2006
-
M
24
Electrical Power - Inspection of Panel DA
Wiring
Hawker 800XP, Serial Numbers 258297, 258301,
258304 through 258306, 258309, 258311,
258313, 258315, 258317, 258319, 258320,
258322, 258325, 258326, 258331, 258333,
258334, 258336, and 258338 through 258755.
12/24/2008
Page 53 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 24-3793
Description
Effectivity
May 2006
-
M
24
Electrical Power - Inspection and Replacement
of UAM100 Limiters
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522;DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522;HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R;HS.125 Series 3B/R; DH.125
Series 3A/RA; HS.125 Series 3B/RA; HS.125
Series 3B/RB;HS.125 Series 3B/RC; HS.125
Series F3B; HS.125 Series F3B/RA;
BH.125-400A;DH.125-400A; HS.125-400B;
HS.125-400B/1; HS.125-401B;HS.125-403A(C);
HS.125-403B; HS.125 Series F400B; HS.125
Series F403B;BH.125 Series 600A; HS.125
Series 600A; HS.125 Series 600B; HS.125 Series
600B/1;HS.125 Series 600B/2; HS.125 Series
600B/3; HS.125 Series F600B; HS.125 Series
700A;HS.125 Series 700B; which are Post Mod.
252885 (see SB 24-239-2885).BAe.125 Series
800A; BAe.125 Series 800A(C-29A); BAe.125
Series 800A(U-125);BAe.125 Series 800B;
Hawker 800(U-125A); BAe.125 Series 1000A;
BAe.125 Series 1000B;Hawker 1000. Hawker
800XP and Hawker 850XP thru 258768
SB 24-38
Jun 1966
-
O
24
Constant Frequency System EKCO Inverter
150VA/182. Addition of hole in cover to enable
output voltage to be adjusted.
Series 1 Pre Mod. 251174. 1A Post Mod. 251067
(25062 and 25069)
SB 24-3850
Nov 2008
1
M
24
Electrical Power - Circuit Protection for Cockpit
Fan Blowers
BH.125 Series 600A, Serial Numbers 256025,
256026, 256040, 256046, 256047, 256055,
256066, 256067, 256068 and 256069. HS.125
Series 700A, Serial Numbers 257006, 257019,
257024, 257029, 257033, 257036, 257038,
257039, 257042, 257044, 257048, 257049,
257052, 257057, 257059, 257060, 257065,
257068, 257069, 257071, 257074, 257075,
257077, 257078, 257081, 257083, 257086,
257090, 257095, 257098, 257101, 257104,
257106, 257111, 257113, 257114, 257116,
257117, 257119, 257120, 257122, 257123,
257125, 257128, 257129, 257131, 257134,
257135, 257137, 257140, 257141, 257144,
257147 and 257148.
SB 24-39
Dec 1970
1
O
24
DC Generation. Battery blocking rectifier
AE7011. Modified terminal block and new
terminal block cover.
Series 1, 1A, 1B, 1B/S-522 and 1B/R-522
12/24/2008
Page 54 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-3914
Dec 2008
-
O
24
Electrical Power - Removal of Engine Chip
Detector Indicators
Hawker 900XP Serials HA-0001 through HA-0073
SB 24-3923
Dec 2008
-
M
24
Electrical Power - Inspection / Replacement of
Incorrect Fuse and Labeling
Hawker 900XP Serials HA-0001 through
HA-0060.
SB 24-4
Jan 1965
1
O
24
Hot Rod Ice Detector. To introduce Plessey
circuit breaker 516/80000/025 in lieu of
7CZ/106664/25 at panel DA and
516/1/80000/020 in lieu of 7CZ/10664/20.
Series 1, 1A and 1B except A/C with Mod.255396
embodied
SB 24-40
Jun 1966
-
O
24
Battery. To introduce shouldered spigots on
battery tray in lieu of existing straight spigots
ensuring stronger welded joints.
Series 1, 1A, 1B, 3, 3A and 3B
SB 24-41
Dec 1970
1
I
24
DC Generation. To introduce AEI toggle
switches 200 series which have improvements
in sealing (AEI SB24-33).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 24-42
Jun 1966
-
I
24
Constant Frequency System Static Inverter
EKCOE182. Introduction of EKCO Mod.16 to
improve high temperature performance.
Series 1, 1A, 1B, 3, 3A and 3B
SB 24-43
Nov 1970
1
I
24
Introduction of Rotax alternator Mod.3976B.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 24-44
Nov 1970
1
O
24
DC Generation Starter Generator. Introduction
of Bendix grade 166 brushes in lieu of grade
PDM4A to give increased brush life.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522 and 3B (25/015, 062, 069).
SB 24-45
Nov 1970
1
O
24
DC Generation. Voltage Regulators.
Introduction of Rotax Mod.4221U Replacement
of capacitor C25 to eliminate possibility of
failure.
Series 1, 1A, 1A-522, 1B, 1B-522 and 3B (25/015,
062, 069)
SB 24-46
Nov 1970
1
O
24
Constant Frequency System Hendrey Relays.
Introduction of Hendrey Mod.2 Addition of
armature stops to avoid possibility of failure.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522 and 1B/R-522
SB 24-47
Nov 1970
1
O
24
Random Frequency Rotax Mod.SP6708 SB
24-175 to voltage control unit U8601. The
overvoltage level is reset from 128 to 138 volts.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522 and 1B/R-522
SB 24-48
Aug 1966
-
O
24
DC Generation No.3 ignitor battery restraining
strap changed to silicone coated asbestos to
make them fully acid resistant.
Series 1, 1A, 1B and 3B
12/24/2008
Page 55 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-49
Oct 1966
-
I
24
Constant Frequency System. Improved method
of mounting 2500VA Leyland inverter on top
shelf.
Series 1A
SB 24-5
Dec 1970
1
O
24
Static Inverter. Ekco Type E182 (Ekco
SB24-3). To increase the effective range of
over voltage setting.
Series 1, 1A, 1A-522, 1B and 3B (25/015) Post
Mod.251067C Part C.
SB 24-50
Sep 1966
-
O
24
DC Generation. To reposition ground supply
contactor fuse BY on Pre Mod.251335 A/C and
fuse BY and CH on Mod.251335 A/C.
Series 1, 1A, 1B and 3B.
SB 24-51
Oct 1966
-
O
24
Distribution Panel DA Fuse Panel AD.
Introduction of labels for fuses to clarify
identification.
Series 1, 1A and 1B Pre Mod.251335
SB 24-52
Oct 1966
-
R
24
DC Generation. To avoid inadvertent operation
gated bus tie switch type LHA2/BG219/D2 is
introduced.
Series 1A and 1B Post Mod.251335. Series 3, 3A
and 3B
SB 24-53
Oct 1967
1
R
24
DC Generation Internal start/normal/emergency
switch improved guard to prevent rapid
selection from start to emergency.
Series 1, 1A less aircraft 25096 and subs. 1A,
and 1B less aircraft 25097, with mod.251197.
SB 24-54
Dec 1966
-
O
24
DC Generation. To downrate the value of fuse
in charge circuit to 3.rd battery to 3 amps.
Series 1, 1A, 1B, 3, 3A and 3B
SB 24-55
Jan 1967
-
R
24
Distribution. Re-arrangement of electrical
distribution on A/C with split busbar system.
Series 3B
SB 24-57
Sep 1970
2
I
24
Electrical Power Diodes BYZ12 are to be
replaced in all cases where rating is suitable by
CV7313 diodes.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/RA, 3A/R, 3B,
3B/RA, 400A and 400B
SB 24-58
Jan 1967
-
R
24
Distribution U/C green light. The RH green light
circuit cables to the relay have been re-routed
to by pass the relay.
Series 1A a/c Post Mod.251265 and Pre
Mod.251601A part A.
SB 24-59
Jun 1967
-
R
24
Introduction of second 26 volt AC 400c/s power
source with failure indication.
Series 1, 1B and 3
SB 24-6
Dec 1970
1
O
24
To introduce Mod No1 to Hendrey relays to
improve the insulation between the energising
coil leads and earth.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 24-60
Nov 1970
1
R
24
DC Generation. To introduce Rotax
Mod.4400D to starter generator contractor
D16401.
Series 1A-522, 1A/S-522, 1B-522, 1B/S-522,
1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B. Post Mod.251335.
12/24/2008
Page 56 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-61
Nov 1970
1
O
24
DC Generation. Starter/Generators. Armature
shaft strengthened at fan drive end and fan
engaged on splines instead of slots.
Series 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 24-62
Nov 1970
1
O
24
DC Generation. To introduce Rotax
Mod.4382U to voltage regulators to prevent
slight over-voltage conditions on some
regulators.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 24-63
Oct 1967
1
R
24
Negative Bus-bar at earth station 2 possibility
of insufficient clearance and short circuit.
Applicable to HS.125 aircraft, Series 1, 1A and
1B, post Mod.251197, pre. Mod.251492, pre.
Mod.251335.
SB 24-64
Mar 1972
3
I
24
DC Generation. To replace Varley lead acid
battery with Sonotone nickel-cadmium battery
to provide a longer service life battery.
Series 1, 1A, 1B, 3, 3A, 3AR, 3ARA, 3B, 3BR and
3BRA.
SB 24-65
Oct 1969
2
O
24
Constant Frequency System. Re-routing No 2
inverter positive power supply cable assembly.
Series 1A, 1A-522, 1A/S-522, 1A/R-522, 3A, 3A/R
and 3A/RA (Pre Mod.251804)
SB 24-66
Aug 1969
-
I
24
Constant Frequency System. To introduce
Leland Mod.LEL 6430 to inverter.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A 3A/R 3A/RA, 3B, 3B/RA, 400A and
400B
SB 24-67
Feb 1968
-
O
24
Constant Frequency. To introduce Leland
Mod.LEL64-36 to Leland inverter MGH
182-100 Introduction of DC brushes with
improved life.
Series 1 and 1B with 251174, 1B with 255396, 1B
and 3B with 251405, 3B/R.
SB 24-68
Oct 1970
1
I
24
Generator Switching Unit. Introduction of Rotax
Mod.4341D Range of resistors added to group
board.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B (A/C post mod.257151).
SB 24-69
Jul 1968
-
I
24
To introduce Rotax Mod.4356A to inverter
cooling change-over valve C5068.
Series 1A (Post Mod 251201)
SB 24-7
Apr 1965
-
O
24
Voltage Regulators. To introduce Rotax voltage
regulators Type U6118 and U6119 in lieu of
U6120 and U6112 respectively.
Series 1, 1A and 1B
SB 24-70
Nov 1970
1
R
24
Alternator N0904/1. To introduce Rotax
Mod.R6772.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 24-71
Mar 1971
-
O
24
Introduction of new battery hold-down bolts.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R and 3A/RA. Model HS.125, Series 1, 1-522,
1B, 1B-522, 1B/R-522, 1B/S-522 and 3B.
12/24/2008
Page 57 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-71 - INSP
Mar 1968
-
R
24
Battery Installation Surplus weld on the
underside of battery holding down wing bolts
and possible omission of washer SP125G.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R and 3A/RA. Model HS.125, Series 1, 1-522,
1B, 1B-522, 1B/R-522, 1B/S-522 and 3B.
SB 24-72
Apr 1968
-
O
24
Generator Overheat Switch. An improved
switch is introduced in which the cable enter at
right angles to the switch body.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3, 3A, 3B, 3A/R,
3B/R, 3A/RA and 3B/RA
SB 24-73
Apr 1968
-
I
24
Introduction of uprated main supply fuses in
Bendix inverter 1518-7-J circuits.
Series 1, 1B, 1B-522, 1B/R-522 (Pre
Mod.251335), 1B/S-522 (Pre Mod.251335) and
3B (Qantas 062.069) (DCA 015) only.
SB 24-74
Jun 1972
1
O
24
DC Generation. Elimination of automatic
selection of generator on line by operation of
the relight switch.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 24-74 - INSP
Jun 1968
2
R
24
DC Generation. Elimination of automatic
selection of generator `on line' by operation of
the relight switch.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 24-75
May 1968
1
R
24
DC Generation. Excessive wear at
Starter/Generation Fan Drive. Inspection of the
condition of the drive is required.
Applicable to HS.125 aircraft, all Series, fitted with
starter/generators type BC.0107 or BC.0107/1.
SB 24-76
Sep 1968
-
R
24
Rotax Mod.4474U. To introduce over voltage
protection unit U3627/1 in lieu of U3627.
Series 1A-522, 1A/S-522, 1B/S-522, 3A, 3B,
3A/RA and 3B/RA Post Mod.251335
SB 24-77
Dec 1981
4
O
24
Electrical power – To introduce voltage
regulators U6120 in place of U6118 – Part A:
aircraft post mod. 251335 – Part B: aircraft pre
mod. 251335
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3A/R, 3B/R,
3A/RA and 3B/RA
SB 24-78
Dec 1968
-
O
24
To introduce overvoltage protection into AC
circuit which will automatically isolate an
inverter if the output increases.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3B/R,
3A/RA and 3B/RA
SB 24-79
Oct 1968
-
R
24
To introduce diode into the output circuit from
the overvoltage protection unit to trip coil of
field contactor.
Series 1A-522, 1A/S-522, 1B/S-522, 3A, 3B,
3A/R, 3B/R, 3A/RA and 3B/RA.
SB 24-8
Apr 1965
-
O
24
Introduction of stiffening flange to alternator
voltage control unit mounting plate.
Series 1
SB 24-80
Dec 1970
-
I
24
Starter/Generator contactor D16401. Threads
changed on auxiliary switch operating rod and
associated nuts torque fig shown.
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1/B-522, 3B, 3B/RA
and 400B.
12/24/2008
Page 58 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-80 - INSP
Nov 1968
-
R
24
DC Generation. Loosening of nuts in
starter/generator contactor assy.
Model DH.125, Series 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1/B-522, 3B, 3B/RA
and 400B.
SB 24-81
Dec 1968
-
R
24
To introduce a rain guard forward of invertor
cooling air duct.
Series 3A/RA Post Mod.251804
SB 24-82
Nov 1968
-
O
24
To introduce Rotax Mod.SW6855 to starter
generator contactor D13202/1 Box formation
shroud redesigned.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522
(25090) and 1B/R-522 (25094).
SB 24-83
Nov 1968
-
I
24
Starter Generation.To introduce Rotax
Mod.R6934 to BC0107/2 and BC0108/2 and
Mod.4480B to BC0104/1 and BC0106 Air
spout.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B.
SB 24-84
May 1970
-
O
24
Introduces Rotax alternator Mod.R6925.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 24-85
Dec 1968
-
I
24
Starter Generator Contactor D16401. To
introduce Rotax Mod.4449D Series coil and
relay assy have brass brushes instead of
stainless steel.
Series 1A-522, 1A/S-522, 1B-522, 1B/S-522, 3A,
3A/R, 3A/RA, 3B, 3B/RA, 400A and 400B (Post
Mod.251335).
SB 24-86
Nov 1968
-
I
24
Windscreen wiper motor suppression unit
ZA20101. Introduction of Rotax Mod.4483D.
New capacitors are added to reduce failure.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R,3A/RA, 3B/RA,
400A and 400B
SB 24-87
Mar 1970
1
I
24
To introduce Rotax Mod.4401D to switching
units F6811.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3A/R 3A/RA 3B 3B/RA
400A 400B
SB 24-88
Feb 1969
-
I
24
Engel & Gibbs Temperature Switch QS8320/1
in lieu of QS8320 for starter/generator. The
switch case is strengthened at the head.
Series 3A/R, 3B (25145- 147), 3A/RA, 3B/RA,
400A and 400B
SB 24-89
Oct 1970
1
I
24
Generator switching unit Cable from in main
casing assy is secured with P-clip to stop cable
fouling of over-ride spindle.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/R-522,
1B/S-522, 3A, 3A/R, 3A/RA, 3B, 3B/RA, 400A
and 400B
SB 24-90
Feb 1969
-
R
24
To prevent the warning light on high pressure
cock handle remaining illuminated when the
cock is selected closed.
Series 400A and 400B
12/24/2008
Page 59 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 24-91
Jun 1969
1
R
24
Introduction of Rotax alternator Mod.R6944.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 24-92
Sep 1970
2
O
24
Generator cables. To introduce a clamp on
heavy duty cables of LH generator. To prevent
the possibility of the LH generator cables being
wrongly connected.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, #B, 3A/R, 3B/R, 3A/RA
and 3B/RA (Pre 251721)
SB 24-93
Mar 1969
-
O
24
Introduction of over-voltage unit Pt No. AE5611
into inverter AC output feeders.
Series 3A/RA, 3B/RA, 400A and 400B Post
Mod.251804
SB 24-94
Jul 1969
1
R
24
DC Generation. Protective cover introduced for
type KI-VGH 3.3ohm resistor on panel GK to
prevent the resistor being shorted by tool.
Series 3A, 3A/R, 3A/RA, 3B, 3B/RA, 400A and
400B.
SB 24-95
Apr 1969
-
O
24
Voltage Regulators. To introduce Rotax
Mod.4396D to voltage regulators U6112.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 24-96
Oct 1969
1
R
24
Introduction of Rotax alternator Mod.R6940.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 24-97
Jul 1969
-
I
24
Introduction of brackets with revised spigot
locations and two re-positioned anchor nuts.
Series 1A, 1A-522, 1B, 1B-522, 1B/S-522, 3A,
3A/R and 3A/RA (Pre Mod.251804).
SB 24-98
May 1969
-
I
24
Starter/Generators. To introduce Rotax
Mod.4405B to starter generator BC0104/1.
New armature assembly introduced with
strengthened shaft.
Series 1, 1A and 1B
SB 24-99
Dec 1969
1
R
24
DC Generation. To introduce diode network
between PE busbar and No.3 battery busbar
and 70 amp circuit breaker in lieu of 50 amp.
Series 3A/RA, 3B/RA, 400A and 400B Post
Mod.251728 (To simplify engine starting circuit).
SB 24-A258
Sep 1986
-
M
24
Electrical Power - Cable Installation - Chafing
of Wiring Loom at Panel ZK
Applicable to all BAe 125 aircraft Series 800A and
800B.
SB 24-A261
Aug 1987
1
M
24
Electrical power - Cable installation - Chafing of
wire at panel ZL
Applicable to BAe/HS/BH/DH 125 aircraft (Pre
Mod.253204), Series 1A, 1A/S, 3A, 3A/RA, 400A,
600A, 700A and 700B. All Series f1B, F3B,
f#B/RA, F400B and F600B retrofitted with Garrett
TFE 731-3 engines.
12/24/2008
Page 60 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 24-A278
SB 24-A65
Description
Effectivity
Jul 1990
-
M
24
Electrical Power - DC Generation System Inspection of generator control unit earth wire
at starter generator terminal block
Applicable to DH/BH/HS/BAe 125 aircraft which
are pre-mod. 253159, Series 800A, 800B, 700A
and 700B. All earlier series aircraft retrofitted with
Garrett TFE 731 engines.
Dec 1967
-
R
24
Constant Frequency System to Mods.251201
or 251335 power supply cable to No2 inverter
damaged by chafing on frames 21/22.
Applicable to HS.125 aircraft Series 1A, 3A, 3A/R
and 3A/RA.
12/24/2008
Page 61 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 25
Equipment/Furnishings
SB 25-1
Dec 1964
1
O
25
To introduce terminal block in wiring at control
pedestal.
Series 1B
SB 25-12
Apr 1973
-
O
25
Transferred to SB 11-008 (Mod 251785).
Series 1A, 1B pre mod.251301 and 3A aircraft
SB 25-13
Apr 1967
-
R
25
To introduce cover over gust lock aperture in
cockpit LH trim panel.
Series 1A and 3A
SB 25-14
Sep 1967
-
R
25
To introduce modified sound proofing in way of
discharge valves on rear pressure bulkhead.
Series 3B
SB 25-15
Feb 1968
-
R
25
To introduce improved inner guard below
forward vestibule cabinet.
Series 3B with mod.251764 Part B, 3B/R and
3B/RA
SB 25-16
Dec 1969
1
R
25
To introduce a guard on the LP cock operating
lever.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, plus 25062 and 25069
SB 25-19
Nov 1969
2
O
25
To introduce flexible pipe covers in rear
fuselage equipment bay.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522 and
1B/S-522
SB 25-2
Jun 1965
-
M
25
To introduce Mills Equipment Mod.ME/3 on
passenger seat belt ME/2095.
Series 1B (25015 only).
SB 25-20
Dec 1969
-
O
25
To introduce protective cover over diode strips
in vertical radio junction box.
Model HS.125, Series 400B
SB 25-21
Mar 1970
1
R
25
Radio Rack Assembly at captain's seat.
Elimination of anchor nut at inboard end of
mounting beams.
Series 1 1A 1B 1B/S 1B/R 3B 3B/R 3B/RA
SB 25-22
Jun 1971
1
R
25
Control Pedestal. To ensure clearance
between airbrake cable and trim box.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B and
3B/RA.
SB 25-24
Aug 1971
-
R
25
Insulation Blanket on Bulkhead 1. Possibility of
damage to sound- proofing insulation blanket
from O/heated windscreen wiper resistor.
Applicable to HS/DH 125 aircraft, Series 1, 1A,
1A-522, 1A/S-522, 1B, 1B-522, 1B/R-522,
1B/S-522, 3A, 3A/R, 3A/RA, 3B, 3B/RA, 400A
and 400B
SB 25-25
Nov 1971
-
R
25
Radio Guard Panels. Obstruction of ventilation
grilles in forward luggage compartment.
Applicable to HS 125 aircraft Series 400B
12/24/2008
Page 62 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-26
Dec 1972
-
O
25
Cabin Window Blinds. Change of blind
operation from folding to rolling.
Not Specified in Service Bulletin
SB 25-27
Nov 1973
2
O
25
To revise cabin interior layout electrics and
audio system.
The aircraft affected is 25/067
SB 25-28
Apr 1973
-
O
25
Cabin windows blinds. To introduce "Levelor"
woven aluminium blinds with pre-coiled springs
and guide in stowage areas.
Model HS.125, Series 3B/RA
SB 25-29
May 1975
-
O
25
Rumbold Seats series M1300 and M1350. To
avoid the necessity for repeat inspections the
subject stiffnut is replaced.
Model HS.125, Series 3B/RA, 400B, 401B and
403B.
SB 25-29 - INSP
May 1973
-
R
25
Rumbold Passenger seat. Incorrect assembly
and loss of nuts securing seat belt anchorage
eye bolts.
Model HS.125, Series 3B/RA, 400B, 401B and
403B.
SB 25-30
Nov 1973
-
R
25
Cockpit ashtrays. Unsealed holes in base.
Applicable to HS/DH/BH 125 aircraft Series 3A,
3B, 400A, 400B and all variants, 600A and 600B
SB 25-3026
Jul 1998
-
O
25
Equipment/Furnishings - Introduction of an
additional cockpit door hold open hook to the
forward luggage bay
HS 125 Series 600, Romanian registered
airplane, Serial Number 256024
SB 25-31
Sep 1974
-
O
25
Rumbold swivel seats. Introduced to replace
the fixed seats to meet customer's special
requirements.
Series 600B (A/C 256039)
SB 25-32
Oct 1975
2
R
25
To introduce placarding and changes in the
toilet compartment and meet requirements of
CAA Airworthiness Notice No 83.
Model HS.125, Seris 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA, 400B, 401B,
403B and 600B
SB 25-3493
Apr 2002
-
M
25
Equipment Furnishings - Introduction Of New
Allowable Load Placards
Hawker 800XP Serial No’s 258296, 258304,
258309, 258311, 258327, 258330, 258338,
258340, 258355, 258361, 258362, 258365,
258368, 258375, 258378, 258379, 258380,
258387, 258388, 258390, 258391, 258392,
258393, 258396, 258398, 258399, 258403,
258404, 258409, 258411, 258416, 258420,
258422, 258424, 258429, 258430, 258433,
258435, 258436, 258439, 258441, 258449,
258452, 258457, 258463, 258468, 258472,
258474, 258479, 258482, 258486, 258492,
258499, 258502, 258504, 258505, 258508,
258511 and 258517.
12/24/2008
Page 63 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-3494
Apr 2002
-
O
25
Equipment Furnishings - Introduction Of
Improved Cargo Strap Assembly For The
Three Place Divan
Part A: Hawker 800XP Serial No’s 258296,
258304, 258309, 258311, 258327, 258330,
258338, 258340, 258355, 258361, 258362,
258365, 258368, 258375, 258378, 258379,
258380, 258387, 258388, 258390, 258391,
258392, 258393, 258396, 258398, 258399,
258403, 25840
SB 25-3568
Feb 2004
-
M
25
Equipment/Furnishings - Modification of DA
Circuit Breaker Panel Door
Hawker 800XP, Serials 258293, 258294, 258320,
258322, 258324, 258326, 258327, 258329,
258331, 258332, 258349, 258358, 258363,
258364, 258368, 258369, 258371, 258374,
258378, 258380, 258383, 258384, 258386,
258395, 258397, 258400, 258402, 258405,
258406, 258410, 258411, 258413, 258414,
258417, 258419, 258420, 258423, 258425,
258426, 258428, 258437, 258441, 258448,
258449, 258450, 258451, 258453, 258454,
258455, 258456, 258458, 258460, 258461,
258466, 258473, 258476, 258477, 258478,
258483, 258484, 258487, 258490, 258492,
258494, 258495, 258496, 258498, 258500,
258502, 258503, 258507, 258508, 258509,
258510, 258514, 258515, 258516, 258518,
258520, 258521, 258522, 258524, 258527,
258529, 258531, 258532, 258534, 258537,
258541, 258543, 258544, 258546, 258548,
258549, 258550, 258552, 258555, 258556,
258558, 258559, 258562, 258565, 258566,
258567, 258568, 258569, 258571, 258572,
258574, 258578, 258580, 258581, 258582 and
258583.
SB 25-3665
Jun 2007
-
O
25
Equipment/Furnishings - Lavatory Water
Switch Modification
Hawker 800XP, Serial Numbers 258377, 258391,
258396 to 258669 and 258671 through 258698.
SB 25-3687
Oct 2004
-
M
25
Equipment/Furnishings - Microwave Oven
Modification
Hawker 800XP, Serials 258612, 258615, 258617
through 258625, 258627, 258628, 258630,
258632 through 258639, 258641 through 258655,
258657 through 258662, 258665 through 258672,
258674 through 258682, 258684, 258687 and
258689 equipped with TIA Wavejet SL
SB 25-37
Apr 1975
-
R
25
Galley Boiling Water System. Mechanically
operated valves replace fluid actuated valves to
prevent contamination of water.
Model HS.125, Series 600B
12/24/2008
Page 64 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-3704
Mar 2005
-
R
25
Equipment/Furnishings - Prevention of
Moisture Ingress into Emergency
Hawker 800XP equipped with Proline 21; Serials
258541, 258556 and 258567 through 258704.
SB 25-3707
Mar 2005
-
O
25
Equipment/Furnishings - Artex Emergency
Locator Transmitter (ELT) Wiring
Hawker 800XP equipped with Proline 21; Serials
258541, 258556 and 258567 through 258719.
SB 25-3736
May 2006
-
O
25
Equipment/Furnishings - Cabin Monitor
Replacement
Hawker 800XP, if equipped with the Audio
International 14.2" cabin monitor(s).
SB 25-3758
Jun 2006
-
M
25
Equipment/Furnishings - Galley Power Circuit
Protection Improvement
Raytheon Aircraft Model 400A Beechjet, Serials
RK-98 and RK-110 through RK-353; Raytheon
Aircraft Model 400A (Hawker 400XP) Beechjet,
Serials RK-354 through RK-364, RK-367, RK-369
through RK-375, RK-378 through RK-386,
RK-388 through RK-396, RK-399, RK-400 and
RK-406
SB 25-3760
Jan 2006
-
O
25
Equipment/Furnishings - Spares Replacement
of Lavatory Water Timer Relay
Hawker 800 and 800XP, Serials through 258747
if equipped with STC ST08991SC and/or
STCST09651SC.
SB 25-3796
Dec 2006
-
O
25
Equipment/Furnishings - PPI P/N 20918-59
and P/N 20918-63 Forward Closet Assembly
Product Improvement
Raytheon Aircraft Model 400A Beechjet (Hawker
400XP), Serials RK-380 through RK-461 with
Precision Pattern, Inc., P/N 20918-59 or P/N
20918-63 right hand forward closet assembly
installed.
SB 25-3808
Jun 2006
-
M
25
Equipment/Furnishings - Inspection of Seat
Belt Restraint System End Release Buckle
Hawker 800XP, Serial Numbers 258722, 258729,
258736, 258737, 258738 through 258748,
258750, 258753, 258757, 258761 and 258762
SB 25-3823
Jan 2008
1
M
25
Equipment/Furnishings Inspection/Replacement of Seat Belt Shackle
BAe.125 Series 800A; Hawker 800; Hawker
800XP and Hawker 850XP, Serial Numbers
258001 through 258798 and 258802, with
DeCrane Swivel Chairs. Hawker Series 1000,
Serial Numbers 259002 through 259052, with
DeCrane Swivel Chairs. NOTE: This Service
Bulletin does not apply to BAe.125 Series 800A
(U-125) and Hawker 800 (U-125A) aircraft. If you
are no longer in possession of the airplane,
please forward this information to the present
owner.
SB 25-3852
Oct 2007
-
O
25
Equipment/Furnishings – Installation of
Improved Toilet Assembly (P/N 500-31A-3)
Model 400A, Beechjet, Serials RK-98, RK-110
through RK-353; Model 400A, (Hawker 400XP),
Serials RK-354 through RK-542.
12/24/2008
Page 65 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-4
Feb 1966
-
O
25
To introduce modified pull down roller blinds on
cabin windows.
Series 1B (25015 only)
SB 25-41
Jun 1976
-
O
25
Soundproofing. Additional soundproofing
added to vestibule overhead areas.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 25-45
Dec 1981
-
M
25
Flight Compartment. Introduction of shorter
armrest for Ipeco seat. Restriction of
handwheel movement can occur with the seat
forward.
Model HS/BAe.125, Series 700B and 700A- Post
Mod.258370
SB 25-46
Nov 1981
-
R
25
Flight Compartment. Hand fire extinguisher and
torch relocated on LH bulkhead.
Model HS/BAe.125- Post Mod.252739, Series
700A and 700B.
SB 25-47
Sep 1982
-
O
25
Flight Compartment. To introduce grilles in
instrument panel coaming to improve air
circulation behind instrument panel.
Applicable to 700A and 700B.
SB 25-48
Oct 1982
-
I
25
Buffet / Galley. To introduce Sonceboz hot-cup
time switch as replacement for Venner PTB
time switch.
Model HS.125, Series 1, 3, 400 and all variants.
SB 25-49
Jun 1984
-
I
25
Equipment/furnishing - Crew seat inertia Reel
D73766/002 with improved torsion spring to
Teleflex SB 25-00-18542 issue 2
All Series with crew seats of Series or Teleflex
Morse Standard
SB 25-5
Dec 1970
2
M
25
Equipment Furnishing - Emergency - Life jacket
50C Mk2. Introduction of R.F.D. Modification
862
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 25-50
Sep 1985
1
O
25
To retrospectively replace Metair door latch
01-30-9 with Metair door latch 30-114 on toilet
doors with and without a mirror on aft face.
Applicable to DH/BH/HS.125 aircraft, Series
400A, F400B, 600B, 700A and 700B
SB 25-51
Apr 1986
-
O
25
Passenger Seats M2500 Series-Armrests
strengthened to Rumbold SB No
M2500-25-538.
Model BAe.125 Seris 700B and 800B
SB 25-52
Jan 1986
-
I
25
Equipment/Furnishings - Revised toilet tissue
holder
All HS.125 Series 700B. Model BAe.125 Series
800B up to and including 258028.
SB 25-54
Aug 1989
1
M
25
Equipment/furnishings – Warming oven –
Introduce warming oven part nos.
255D-LH-28/115, 255D-RH-28/115 and
255-362A with overheat protection
All Series with oven 255B-LH-28/115,
255B-RH-28/115 and 255-362
SB 25-55
Sep 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129)
12/24/2008
Page 66 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-56
Sep 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129)
SB 25-57
Sep 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129)
SB 25-58
Nov 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129 134)
SB 25-59
Dec 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129 131 134 154 156 158)
SB 25-6
Oct 1966
1
R
25
Flight Compartment. To provide a stop which
ensures that the emptying shutter on crew
ashtray is fully closed when fitted to A/C.
Series 1, 1A and 1B
SB 25-60
Mar 1990
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 25-61
Dec 1989
-
R
25
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 25-62
Jul 1991
2
O
25
Equipment/Furnishing - Forward Luggage Bay To introduce sealing of the shelf area
Series 700B and 800B
SB 25-63 - 259555K
Oct 1990
1
R
25
Restricted - See Remarks
Series 800A (A/C 258129 131 134 154 156 158)
SB 25-63 - 259555L
Oct 1990
1
R
25
Restricted - See Remarks
Series 800A (A/C 258129 131 134 154 156 158)
SB 25-64
Aug 1992
-
M
25
Equipment/furnishings - Warming oven Introduce warming oven part No.
206D-LH-28/115 with overheat protection
Series 125 aircraft fitted with Warning Oven Part
No.206B-LH-28/115
SB 25-65
Jul 1990
-
R
25
Restricted - See Remarks
Series 800A (A/C 258158)
SB 25-66
May 1991
-
R
25
Equipment and Furnishings - Inspection for
correct third crew seat belt arrangement
Applicable to BAe 125 Series 800 aircraft
post-mod.259137
SB 25-67
May 1992
4
M
25
Equipment/Furnishings - To introduce an
improved washbasin watertank shroud drain
outlet
Series 800A and 800B
SB 25-68
Aug 1992
-
M
25
Equipment Furnishings - Installation of
improved forward cabin door retainer catch
Series 800
SB 25-7
Nov 1970
1
O
25
To introduce Strabor Mod. to airscalators.
D11342.
Series 1, 1B, 1B/S-522 and 3B
SB 25-70
Oct 1992
-
R
25
Equipment/Furnishing - Control pedestal - To
introduce revised operating point for the throttle
lever reverse thrust deploy microswitch
Series 1000 Pre Mod. 253600A
SB 25-71
Oct 1992
-
R
25
Control Pedestal. Introduction of clearance
check of the reverse thrust lever baulk.
Series 1000- Pre-Mod.253621A
12/24/2008
Page 67 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-72
Oct 1992
-
R
25
Equipment/Furnishings - Control Pedestal Introduction of revised rigging instructions for
aileron/elevator gust lock
Series 1000- Pre Mod.253615A
SB 25-74
Jun 1993
-
R
25
Equipment/Furnishings - Control Pedestal Introduction of a Flap Lever/Gate with a baulk
at Zero Degrees
Series 1000
SB 25-75
Feb 1994
-
M
25
Power Supply. To introduce uprated galley
feeder cables and change the rating of the
toilet services fuse F3.
BAe 125 Series 1000A and 1000B
SB 25-76
Feb 1994
-
M
25
Power Supply - To introduce uprated left galley
and right galley feeder cables and change the
rating of the toilet services fuse F3
BAe 125 Series 1000A and 1000B
SB 25-77
Mar 1994
-
O
25
To introduce an AMC beverage maker and
associated electrics in open plan galley.
BAe 125 Series 1000A and 1000B
SB 25-8
Dec 1966
-
R
25
Rear equipment bay. Clearance of cover
assemblies.
Applicable to HS.125 aircraft, all Series
SB 25-80
Apr 1994
-
R
25
Equipment/Furnishings - Panel DA Introduction of modified trim panels for Engine
Diagnostic System (EDS) display unit
BAe 125 Series 1000B (excluding aircraft
259024) which are Post Mod.253364A,B,C,D and
D.
SB 25-81
Apr 1997
-
I
25
To introduce radio frequency screening to
entertainment module
BAe 125 Series 1000B aircraft 259032
SB 25-82
Nov 1994
-
O
25
Equipment/Furnishing - To introduce
miscellaneous changes to the aircraft interior
trim, soundproofing and exterior paint
BAe 125 Series 800B (258002)
SB 25-83
Jan 1995
-
I
25
Restricted - See Remarks
BAe 125 Series 800A U-125 (258215)
SB 25-84
Jan 1995
-
I
25
Restricted - See Remarks
BAe 125 Series 800A U-125 (258215)
SB 25-85
Jan 1995
-
I
25
Restricted - See Remarks
BAe 125 Series 800A U-125 (A/C258215)
SB 25-86
Apr 1995
-
R
25
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250,
258268)
SB 25-87
Feb 1995
-
I
25
Restricted - See Remarks
Hawker 800 U-125A (258247, 258250)
SB 25-88
Jan 1996
-
R
25
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 25-89
Jan 1996
-
O
25
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247 and
258250)
12/24/2008
Page 68 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 25-9
Jun 1967
2
R
25
To introduce rubbing strip on main entry door
trim.
Series 1, 1B, 3 and 3B
SB 25-90
Jan 1996
-
O
25
Restricted - See Remarks
Series 800 U-125A (A/C 258245, 258247,
258250)
SB 25-91
Jan 1996
-
O
25
Restricted - See Remarks
Series 800 U-125A (A/C 258245, 258247,
258250)
SB 25-92
Jan 1996
-
R
25
Restricted - See Remarks
Series 800 U-125A (A/C 258245, 258247,
258250)
SB 25-93
Jan 1996
-
O
25
Restricted - See Remarks
Series 800 U-125A (A/C 258245, 258247,
258250)
SB 25-94
Jan 1996
-
O
25
Restricted - See Remarks
Series 800 U-125A (A/C 258245, 258247,
258250)
SB 25-95
Apr 1997
-
M
25
To introduce sealed anchor nuts in place of the
standard type for the fire axe provision located
on the forward face of 'DA' panel in the flight
deck
BAe 125 Series 1000A, 1000B (A/C 258151,
258159, 259003 to 259042). Hawker 1000 (A/C
259043 to 259052)
SB 25-96
Aug 1996
-
O
25
Equipment/Furnishings: To introduce filter
capacitors to the AMC beverage maker.
BAe 125 Series 800A, 800B, 1000A, 1000B,
Hawker 800 and 1000.
SB 25-999
Mar 1976
-
M
25
IRVIN passenger safety belts AB5 and AB6
series. Inspection of buckle base for cracks at
bend radius
All Series Pre 700B with IRVIN belts AB5 or 6
supplied prior to 1 Mar 76
12/24/2008
Page 69 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 26
Fire Protection
SB 26-1
Nov 1964
1
M
26
Fire extinguisher top cap.
Applicable to HS.125, all series
SB 26-10
Feb 1969
-
I
26
To introduce Graviner Mod.A/DS1919 to
firewire triple FD Control unit 165D(4).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B.
SB 26-11
Jan 1969
-
O
26
Fire Detection and Warning. To re-position
firewire clips on centre frame at zone 2 cowling.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 26-12
Jun 1969
-
I
26
To introduce an improved range of Graviner
firewire element accessories Pt. A - M S
Termination fitting Pt. B - Flange coupling.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 26-13
Nov 1970
-
I
26
Introduces pressure diversion in the operating
head of automatic fire extinguishers 132A
(Graviner Mod.2 SB 26-29).
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 26-14
Oct 1969
-
R
26
APU fire extinguisher installation
(Mod.251605). Extinguisher bottle too close to
engine dual head fire extinguisher.
Applicable to HS.125 aircraft Series 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/R, 3B/RA and 400B
with Mod.25/1603 incoporated
SB 26-15
Nov 1973
-
R
26
Fire Protection - Auxiliary Power Unit - Possible
blanking of extinguishant discharge nozzle
Applicable HS.125 aircraft B Series fitted with
Airesearch Auxiliary Power Unit (Mod.251605)
SB 26-16
Mar 1974
-
R
26
Fire extinguisher switches. Possibility of baulk
fouling and preventing switch operation.
Applicable to HS/BH 125 aircraft, Series 600A
and 600B, pre mod.25/2373
SB 26-20
Jun 1975
-
O
26
Detection. To introduce improved firewire
retention in engine zone 2 cowling. Existing
ferobestos clamps replaced by all metal ones.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/RA, 400A and 400A/C. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
3B/RC, 400B, 401B, 403B and 600B.
SB 26-21
Dec 1977
-
R
26
Overheat Detection. Cables in engine pylon
chafing on structure.
Applicable to HS.125 Series 700 aircraft without
mod.25/2649 and to Series 600F aircraft 25258.
SB 26-23
Jun 1982
1
I
26
Fire protection - Portable hand operated
extinguisher BA 51015 replaces existing
PA.BCF
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
12/24/2008
Page 70 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 26-24
May 1982
1
O
26
Fire protection - Fire detection and warning Introduction of series 5 HSRS type overheat
detectors
Models DH/HS/BH/BAe.125 Series 1, 1AS-522, 3,
3B, 3BRA, 3BRC, 400, 400A, 400B, 403B, 500,
600A, 600B, 700, 700A and 700B.
SB 26-26
Feb 1986
-
M
26
Fire Protection System - Fire detector box
cabling
BAe.125 Series 800A and 800B
SB 26-27
May 1986
-
M
26
Fire Protection - Fire Warning System Inspection for possible incorrect crimping of
socket contacts in connectors TA7 and TB7 in
the Fire Warning System.
Applicable to BAe 125 Series 800A and 800B
SB 26-28
May 1988
-
M
26
Fire Protection - Engine Fire Extinguisher Inspection of discharge outlets fitted to H.T.L.
Fire bottle assemblies
Applicable to DH/HS/BH/BAe 125 aircraft, Series
700, 800 and all Series retrofitted with Garrett
TFE 731-3 engines
SB 26-29
Jul 1990
-
R
26
Fire Protection - Extinguishing - Possible
fouling of elevator cable by 2nd shot
extinguisher pipe assembly
Applicable to all BAe 125 Series 800A and 800B
which are pre-mod.253253A
SB 26-3
Dec 1966
-
R
26
Fire Detection and Warning. Revised routing of
fire wire cable in rear engines cowling on A/C
with Viper 522 engines.
Series 1A, 1B, 3, 3A and 3B
SB 26-30
Nov 1990
-
I
26
Fire protection - Extinguishing - Inspection of
portable fire extinguishers
Applicable to all DH/BH/HS/BAe 125 aircraft
equiped with Fire Fighting Enterprises (U.K.) Lts.
portable fire extinguishers.
SB 26-3002
Mar 1998
1
M
26
Fire Protection - Removal of fire extinguisher
pipe to the APU fuel control enclosure
BAe 125 Series 800A, 800B, 1000, 1000A and
1000B.
SB 26-31
Feb 1991
-
M
26
Fire Protection - Inspection of engine fire
extinguisher electrical connections for security,
identification tags and wire locking
Applicable to all BAe 125 800 Series, 700 Series
and earlier series retro-fitted with Garrett engines
which are pre-mod.253274A
SB 26-3147
Oct 1998
1
M
26
Fire Protection. Inspection of aircraft lavatory
fire extinguisher (Halon) for serviceability
(weight check).
All BAe Series 1000A and Hawker 1000 aircraft
SB 26-3197
Apr 1998
-
M
26
Fire Protection - Inspection of Engine Fire
Extinguisher discharge tubes
Hawker 800XP and 800 U-125A (JASDF)
SB 26-32
Jul 1992
-
R
26
Fire Protection - Auxiliary Power Unit Firebottle
- Introduction of revised terminal identification
at the APU firebottle positive terminals
Series 800 Post Mod.259404B and Series 1000
Post Mod.259722A
12/24/2008
Page 71 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 26-33
Feb 1993
1
M
26
Fire protection - Inspection of blocking diodes
associated with 'EXT FIRED' (bottle gone),
indicators for failure
All Series up to and including 800 (and A/C
258159)
SB 26-3323
Oct 1999
-
O
26
Fire Protection - Introduction of a replacement
Fire Warning Bell
BH/HS/BAe 125 Series 600A/600B and
700A/700B which are Post Mod. 252739 and
252825. BAe 125 Series 800A/800B; Hawker
800, and Hawker 800XP which are Pre Mod.
25F566A.
SB 26-3378
Sep 2000
1
O
26
Fire Protection - Fire Warning Bell
Replacement
All BAe 125 1000A/1000B and Hawker 1000
aircraft equipped with Panel P/N A1-FN-051 or
Mod. 253361A or Mod. 006717.
SB 26-34
Apr 1993
1
I
26
Fire protection - Flight deck - Introduction of
portable fire extinguisher BA51015-3 with a
stronger operating trigger
Series 1, 3, 400 and 600 including Garrett Engine
retrofits Post Mod.252739. Series 700 Post
Mod.252739. Series 800 and 1000.
SB 26-3496
Nov 2003
-
M
26
Fire protection - Introduction of electrical wire
protection kit
DH.125 Series 1A; DH.125 Series 1A/S-522;
DH.125 Series 3A; DH.125 Series 3A/R; DH.125
Series 3A/RA; HS. 125 Series F3B; HS.125
Series F3b/RA; BH. 125 Series 400A; DH.125
Series 400A; HS.125 Series F400B; HS.125
Series F403B; BH. 125 Series 600A and HS.125
Series F600B. All HS. 125 Series 700A and HS.
125 Series 700B; BAe.125 Series 800A; BAe.125
Series 800A (C-29A); BAe.125 Series 800A
(U-125); BAe.125 Series 800 B; All Hawker 800
and Hawker 800 (U-125A), Serials through
258445; All Hawker 800XP, Serials through
258519.
SB 26-35
Apr 1993
1
I
26
Fire protection - Introduction of portable fire
extingisher BA51015-3 and BA61016WG-3
with a stronger operating trigger
Series 400, 600, 700, 800 and 1000.
SB 26-36
Nov 1994
-
O
26
Fire Protection - Extinguishing - Introduction of
Main Engine Fire Bottles with visual pressure
Indication
BAe 125 Series 1000A and 1000B and Hawker
1000
SB 26-3610
Sep 2003
1
M
26
Fire Protection - Addition of Fire Extinguisher
marker bands for improved identification
BAe.125 Series 800A; BAe.125 Series
800A(C-29A); BAe.125 Series
800A(U-125);BAe.125 Series 800B; Hawker 800;
Hawker 800(U-125A); Hawker 800XP: Serials
258001 through 258609 and 258611 through
258615.
12/24/2008
Page 72 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 26-37
Oct 1996
1
O
26
Fire bottles - Extinguishing - Introduction of
main fire bottles with visual pressure indication
Models DH/BH/HS.125 Series 1 up to and
including 700. Hawker 800 and 800XP.
SB 26-3803
Oct 2006
-
R
26
Fire Protection – Inspection/Replacement of
Meggitt Thermistor Detectors and the
associated attachment - Meggitt (MSSI)
(1) Airplanes Model 400A (Hawker 400XP),
Serials RK-437 through RK-467 which have P/N
244-25282 thermistor detectors installed with
serial numbers listed in Meggitt Safety Systems,
Inc. (MSSI) Service Bulletin 26-36, dated June 15,
2006. Model 400A (Hawker 400XP), Serials
RK-354 through RK-436 in which P/N 244-25282
thermistor detectors have been installed between
June 13, 2005, to August 31, 2006, with serial
numbers listed in Meggitt Safety Systems, Inc.
(MSSI) Service Bulletin 26-36, dated June 15,
2006. Model 400A, Serials RK-1 through RK-353
in which P/N 244-25282 thermistor detectors have
been installed between June 13, 2005, to August
31, 2006, with serial numbers listed in Meggitt
Safety Systems, Inc. (MSSI) Service Bulletin
26-36, dated June 15, 2006. Model 400, Serials
RJ-1 through RJ-65 in which P/N 244-25282
thermistor detectors have been installed between
June 13, 2005, to August 31, 2006, with serial
numbers listed in Meggitt Safety Systems, Inc.
(MSSI) Service Bulletin 26-36, dated June 15,
2006. Model MU-300, Serials A003SA through
A091SA in which P/N 244-25282 thermistor
detectors have been installed between June 13,
2005, to August 31, 2006, with serial numbers
listed in Meggitt Safety Systems, Inc. (MSSI)
Service Bulletin 26-36, dated June 15, 2006.
SB 26-39
Sep 1996
-
M
26
Fire protection - Inspection of aircraft fire
extinguishers, fire bottles, fire detectors and
smoke detectors for serviceability
Applicable to all DH/BH/HS/BAe 125 Series
1A/1B, 3A/3B,400A/400B. 600A/600B,
700A./700B: 800A/800B/Hawker 800 including
800 XP and Major Variants C29A, U125, U125A:
1000A/1000B and Hawker 1000 aircraft.
SB 26-4
Jan 1967
-
R
26
Fire Extinguishing System. Inadvertent
discharging of fire extinguishers.
Applicable to HS.125 aircraft, all Series
SB 26-41
Apr 1999
1
R
26
Inspection of aircraft engine fire extinguishers
for correct annotation of the cartridge connector
ident sleeves.
Hawker 1000
SB 26-5
Feb 1970
1
O
26
Fire Extinguishing. Introduces copper bottles
type 188A for main engine positions to replace
the existing steel bottles type 142A.
Series 1, 1A, 1B, 3, 3A and 3B
12/24/2008
Page 73 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 26-6
Feb 1968
-
R
26
Detection. To introduce Graviner firewire
control unit Pt No.165D in lieu of Pt No. 365D.
Series 1, 1A, 1B, 1A/S-522, 1B/S-522, 3, 3A, 3B,
3A/R, 3B/R, 3A/RA and 3B/RA
SB 26-7
Jul 1968
-
O
26
Extinguishing. To introduce switch
spring-loaded to 'OFF' for the engine fire
extinguisher switches.
Series 1 1A 1A/R 1A/S 1B 1B/R 1B/S 3A 3A/R 3B
3B/R 3B/RA
SB 26-8
Aug 1968
-
I
26
Introduction of strengthened firewire support
clips in zone 2.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3B/R,
3A/RA and 3B/RA
SB 26-9
Jan 1969
-
I
26
To introduce firewire triple FD control unit
165D(4) in lieu of 165D(2) (Graviner SB 26-35).
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522,
1B/R-522, 3A, 3A/R, 3A/RA, 3B, 3B/RA, 400A
and 400B
SB 26-A17
Jun 1974
-
R
26
Leakage of extinguishant from fire extinguisher
bottles.
Applicable to HS 125 aircraft all series.
SB 26-A18
Dec 1974
-
M
26
Firewire Control Unit. Possible error in
electrical connections. Inspection and test for
crossed connections to terminals 1 and 2.
Applicable to BH/DH/HS 125 aircraft, all series
SB 26-A22
Oct 1978
-
R
26
Inability to release switch baulk.
Applicable to HS 125 aircraft, Series 600, 700 and
all variants
SB 26-A25
Mar 1985
2
M
26
Fire Protection - Fire Extiguishing System Incorrect Circuit Wiring
Applicable to BAe 125 aircraft, Series 800
SB 26-A5
May 1967
1
M
26
Fire Extinguishing System. Special corrosion
inspection and weight check of Graviner
extinguishers type 142A and 132A.
Applicable to HS.125 aircraft, all Series and to
extinguishers Graviner types 142A and 132A held
as spares or in stores
12/24/2008
Page 74 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 27
Flight Controls
SB 2588
Sep 1996
1
O
27-50
Flight Controls - Main Flap Leading Edge
Modification
Beechjet 400, serials RJ-16 through RJ-65;
Beechjet 400A, serials RK-1 and after.
SB 27-1
Jan 1965
1
I
27
To improve functioning of flap lever baulk
location for the control column.
Series 1, 1A and 1B
SB 27-10
Jan 1965
1
O
27
To stengthen elevator trim circuit.
Series 1, 1A and 1B
SB 27-100
Jul 1972
-
R
27
Rudder bias system. Pipe with longer nuts
replaces existing pipe in pod fillet.
Model DH.125, Seris 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 27-101
Jun 1972
-
R
27
Control cables at rudder servomotor.
Applicable to HS/DH/BH 125 aircraft, Series 400A
and 400B.
SB 27-102
Mar 1973
-
O
27
Aileron controls. Strengthened geared tab
centre hinge bracket and new bolts attaching
connecting rods to aileron geared tab. To
revise tolerances on tab connecting rod bolt to
ensure easy installation and removal.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, 400A.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B.
SB 27-103
Mar 1973
-
I
27
Cables in flap symmetry circuit. Cables of more
flexible material introduced.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A. Model HS.125,
Series 1B/R-522, 3B/RA and 400B
SB 27-104
Mar 1973
-
R
27
Flap Hinge Levers. Inspect for damaged
protective treatment corrosion and associated
cracking.
Applicable to HS/DH 125 aircraft Series 1, 1A,
1A-522, 1A/S-522, 1B, 1B-522, 1B/S-522, 3A and
3B - pre.mod.25/5640.
SB 27-105
May 1973
-
R
27
Flap control unit type 614. Introduction of
standard washer under head of latch lever
pivot.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A and 600A. Model
HS.125, Series 1B/R-522, 3B/RA, 400B, 401B,
403B and 600B.
SB 27-106
Jun 1973
-
R
27
Possibility of foul between lever and bolt of
aileron position potentiometer.
Applicable to HS/BH-125 aircraft Series 600A and
600B fitted with an aileron position potentiometer.
SB 27-107
Dec 1973
-
R
27
Rudder Bias System. Air pipes splitting
adjacent to the two rear water drains.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
12/24/2008
Page 75 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-107 - INSP
Dec 1973
-
R
27
Rudder bias system. Air pipes splitting adjacent
to the two rear water drains.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 27-108
Nov 1982
4
R
27
Aileron control system. Ailerons are now
aligned with wing profile to reduce drag.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 27-109
Aug 1974
2
R
27
Rudder installation. Possible fouling between
torque tube and sealing plate.
Applicable to HS/DH/BH 125 aircraft all series
with mod.25/1248 embodied
SB 27-11
Dec 1964
-
I
27
To introduce magnesium alloy pulleys.
Series 1A and 1B
SB 27-110
Jul 1974
-
R
27
Aileron. Possible omission of drain holes in
horn balance lower skin.
Applicable to HS.125 Series 600A and 600B.
SB 27-112
Mar 1975
1
M
27
Flaps. To strenghten flap in way of inboard
hinge internal reinforcing angles.
Model DH.125, 3A/R, 3A/RA and 400A. Model
BH.125, Series 400A and 600A. Model HS.125,
Series 1B/R-522, 3B/RA, 400B, 401B, 403B and
600B.
SB 27-113
Oct 1974
-
R
27
Pulley drum at aileron. Possibility of incorrectly
located bearing retaining ring.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 401B, 403B and 600B.
SB 27-113 - INSP
Oct 1974
-
R
27
Pulley drum at aileron. Possibility of incorrectly
located bearing retaining rings allowing pulley
drum movement and fouling.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 401B, 403B and 600B.
SB 27-114
Feb 1975
1
R
27
Possible omission of drain holes from aileron,
rudder, elevator and flap assemblies.
All Series (up to and incl A/C 256037) except (A/C
25274 256029 031 034)
SB 27-12
Jul 1965
-
O
27
To introduce simplified joint at flap hinge lever
to torque tube end fitting.
Series 1, 1A and 1B
SB 27-120
Jan 1977
-
R
27
Rudder bias system. Operation of switch and
guard cover.
Applicable to HS/DH/BH 125 aircraft, Series 400,
600 and all variants.
SB 27-121
May 1978
-
R
27
Rudder bias system. An amber warning light is
introduced on the LH pilots panel to annunciate
if rudder bias switch is not selected.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants.
12/24/2008
Page 76 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-122
Mar 1977
-
M
27
Elevator control pulley bracket at top of fin rear
spar. Introduction of longer threaded
attachment bolts together with wire locking.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA, 400A and 403A(C). Model BH.125,
Series BH.125, 400A and 600A. Model HS.125,
Series 600A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA, 3B/RC,
400B, 403B, 600B and 600F
SB 27-123
Aug 1978
-
R
27
Flaps. To introduce flap lever gate and stop to
provide a 45 degee flap LAND setting to
replace existing 50 degree gate.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403 and all
variants.
SB 27-124
Jan 1979
-
M
27
To remount the elevator pitch trim switch on the
control column hand- wheel, to improve the
sense of operation.
Model HS.125, Series 700 and all variants.
SB 27-125
Mar 1979
-
M
27
Flap jack assy. Component ultimate life
Longitudinal cracks on the jack body has
occured resulting in the loss of Hydraulic Fluid.
Applicable to all HS/DH 125 aircraft series 1, 1A,
1B, 3A, 3B and all variants thereof
pre-mod.25/5640
SB 27-126
Dec 1979
1
R
27
Flight Controls - To provide improved
segregation of rudder bias pipes and oxygen
bottle screen tube adjacent to frame 24 (port
side only)
All Series with TFE 731 engines
SB 27-127
Sep 1979
-
R
27
Flaps. To simplify rigging of flap synchroniser
system and to improve clearances.
Model DH/HS.125, Series 1, 3 and all variantspost mod. 255640. Model HS/BH.125, Series 400,
401, 403, 600 and all variants. Model HS.125,
Series 700 and all variants.
SB 27-128
Oct 1979
-
R
27
Flight Controls - Elevator control system Possible foul between cable and static pipe
union
Applicable to HS 125 Series 600B, 700A and
700B
SB 27-129
Aug 1980
-
R
27
Rudder bias system. To introduce rudder bias
strut AC67042 in lieu of AC64184 To eliminate
residual foot load.
All Series with Garrett TFE 731 engine installation
Less the following aircraft whcih had the mod.
embodied at aircraft build. Series 700A (NA 0254,
0261, 0264, 0277, 0281 and subs.) and 700B
(257112 and subs).
SB 27-13
Dec 1970
1
O
27
To introduce Dunlop Mod.M232 on rudder bias
strut AC60188.
Series 1, 1A and 1A-522
SB 27-130
Jun 1981
1
M
27
Flight controls - Aileron, rudder and elevator
trim - Crack check of trim jack input gear shaft
Applicable to HS/DH/BH 125 aircraft all Series up
to and including Series 700.
12/24/2008
Page 77 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-131
Jan 1982
1
R
27
Elevator. Incorrect rigging of trim circuit.
Applicable to HS/BH 125 aircraft of Series 600A
(with mod.252468), 600B, F-600B, 700A
(NA03110, NA0313, NA0325, NA0326 and
NA0339) and 700B (257142).
SB 27-132
Mar 1982
2
R
27
Flap lift dump. Possible baulk cable foul at LH
wheel well.
Applicable to HS 125 aircraft of Series F400B with
mod.25829 (pressure refuel/defuel), 700A
(NA0305, NA0325, NA0326 and NA0339 except
NA0218) and 700B (257142).
SB 27-133
Feb 1984
1
R
27
Flight controls - Aileron and airbrake - Possible
cracking of pulley brackets
Applicable to HS/DH/BH 125 all Series up to and
inluding Series 400(F-600B aircraft 25258 only).
SB 27-134
Jan 1984
-
R
27
Flight controls – Aileron control system –
Grease charging point at inboard hinge
operating mechanism
All Series up to and including 700
SB 27-135
Mar 1985
-
R
27
Flight Controls - Elevator trim - To introduce a
revised trim label
Series 800A and 800B
SB 27-136
Jun 1985
1
M
27
Flight Controls - Stall ident system - Revised
flap microswitch layshaft
Series 800A and 800B
SB 27-137
Nov 1986
2
M
27
Wings - Aileron - Additional riveting to provide
improved structural integrity in the event of
lightining strike
Series 800A and 800B
SB 27-138
Apr 1986
-
M
27
Flight Controls - Aileron centre hinge - Hinge
link bush revised to eliminate vertical float in
centre hinge link
Series 800A and 800B
SB 27-139
Mar 1986
-
R
27
Flight Controls - Electrical Power - Rudder
Bias/Battery Vent pipe runs improved between
frames 21 and 23
Model BAe.125, Series 800A and 800B
SB 27-14
Jul 1965
-
I
27
To introduce improved hinge bolt attachment at
flap centre hinge.
Series 1, 1A and 1B
SB 27-140
Aug 1986
1
M
27
Flight controls - Flap system - Inspection of
torque shaft assemblies
Applicable to Series DH/HS 125 aircraft Pre Mod.
255640, Series 1, 1A, 1B, 3A and 3B fitted with
Viper or TFE 731 engines.
SB 27-142
Nov 1989
3
M
27
Flying controls - Elevator mass balance Possible corrosion of balance weight sideplate
assy and spigot
Applicable to all BAe/DH/BH/HS 125 aircraft up to
and including Series 700 for which a period of 3
years or more has elapsed since date of
manufacture
12/24/2008
Page 78 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-143
May 1988
2
O
27
Flight controls - Rudder - To introduce new
rudder quadrant spider assembly
All Series 125 aircraft which are either post
mod.251411 or 252908.
SB 27-144
Jul 1988
-
R
27
Flight Controls - Airbrake selector lever baulk System test circuit revised
Series 800A (258007, 258015, 258048 and
258087)
SB 27-145
Jun 1989
-
R
27
Flight Controls - Control column - Possible foul
between gaiter attachment bolt and electrical
conduit
Applicable to DH/BH/HS/BAe 125 aircraft pre
mod.25/3220, Series 600, 700 and 800
SB 27-146
Sep 1988
-
R
27
Flight Controls - Airbrakes - Inspection of LH
and RH bell crank assemblies for correct
machining
Applicable to BAe.125 Series 800
SB 27-147
Sep 1988
-
R
27
Flight controls - Aileron horn - Ice accretion
Applicable to all DH/BH/HS 125 aircraft up to and
including Series 700A and 700B
SB 27-148
Apr 1989
-
R
27
Flight Controls - Aileron - To introduce a
replacement connecting rod at the aileron trim
jack out of trim micro-switch
Series 800A and 800B
SB 27-149
Mar 1989
-
M
27
Flight Controls - Stall Identifcation system Detachment of balance weight insert from
airflow angle sensor vane
Applicable to BAe 125 aircraft Series 800A and
800B
SB 27-15
Jun 1965
-
O
27
To introduce a new bolt and bushes in the
centre flap hinge arm.
Series 1, 1A, 1B and 3
SB 27-150
May 1989
-
R
27
Aileron. Possibility of foul between cockpit floor
and bolt tail on aileron potentiometer arm.
Applicable to all Series 600 and 700
DH/BH/HS/BAe 125 aircraft
SB 27-151
Jun 1989
-
R
27
Flight controls - Elevator - Possible
displacement of elevator cable at frame 7 R.H.
Applicable to all Series DH/BH/HS/BAe 125
aircraft.
SB 27-152
Jul 1999
2
R
27
Flight Controls - Introduction of Signal
Summing Unit with improved Transient
Protection
Model BAe 125 Series 800 (Post Mod.252961G)
SB 27-154
Oct 1990
-
O
27
Flight Controls - Airbrake - To introduce
airbrake selector lever baulk
Series 800A - Post Mod.253149C
SB 27-155
Aug 1991
-
M
27
Flight Controls - Inspection of Rudder pedal
torque tubes for cracking
Applicable to the following BAe 125 Series 800
aircraft, Series 800A and 800B.
SB 27-156
Aug 1992
1
R
27
Flight controls - Inspection of rudder pedal
adjuster unit for security of gust lock lever and
retaining bolts
Applicable to all series DH/BH/HS (1 to 700)
aircraft.
12/24/2008
Page 79 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-157
Feb 1995
2
R
27
Flight control - Inspection of rudder bias pipes
for cracking/pitting or contamination under
identification labels
All variants of DH/BH/HS 125 Series 1 to 700A
and 700B aircraft inclusive. Model BAe 125 800A
and B/1000A and B/1000B and Hawker 800/1000
aircraft.
SB 27-159
Nov 1993
-
R
27
Flight Controls - Aileron - Introduction of
stronger solenoid spring in the aileron
disconnect unit
Series 1000
SB 27-160
Sep 1993
-
R
27
Flight Controls - Inspection of aileron
disconnect drum to check setting of solenoid
mechanism
Applicable to Hawker 125 Series 1000A and
1000B aircraft
SB 27-161
Jul 1994
1
M
27
Inspection of elevator pulley for correct
assembly condition.
Applicable to Hawker 1000 and BAe 125 Series
1000A and 1000B aircraft.
SB 27-162
Feb 2001
2
O
27
Flight controls - Airbrake - To introduce
replacement microswitches by OTTO controls
for airbrake position sensing
BAe 125 Series 800A, 800B, 1000A and 1000B.
Hawker 800, 800XP and Hawker 1000.
SB 27-163
Apr 1994
-
R
27
Introduction of scheduled reference speeds
based on Vs 1g.
BAe 125 Series 1000A and 1000B and Hawker
1000 aircraft.
SB 27-164
Mar 1996
-
R
27
Flight controls - Aileron - To introduce improved
trim jack input gear shaft
All DH/BH/HS 125 Series 1 up to and including
Series 700 aircraft.
SB 27-165
Jul 1996
-
R
27
Throttle Box Elevator Trim Control System Introduction of revised elevator trim control
label.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 27-166
Sep 1994
-
R
27
Inspection of rudder bias pipe for presence of
drain hole.
Applicable to BAe 125 Series 600A, 700A and
700B aircraft
SB 27-167
Mar 1996
-
O
27
Flight controls – Flap screw jacks – To
introduce carbon fiber friction discs in the
no-back mechanism
All Series Mod 255640 252924 253310A
SB 27-168
Jul 1995
-
R
27
Flight Controls - Introduction of revised flaps
cable pulley bracket and fairlead to improve
cable clearance at frame 15A
All BAe Series 1000A, 1000B and Hawker 1000
aircraft Pre Mod.253705A.
SB 27-168 - INSP
Jul 1995
-
M
27
Flight Controls - Inspection of flight control
cables and AFT turnbuckles for possible
crafting on keel subframe 15A
All BAe Series 1000A, 1000B and Hawker 1000
aircraft Pre Mod.253705A.
SB 27-169
Mar 1996
-
R
27
Flight controls - Elevator - To introduce
improved elevator trim jack input gear shaft
All DH/BH/HS 125 Seris 1 up to and including
Series 700 aircraft.
12/24/2008
Page 80 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-17
Apr 1965
-
I
27
To introduce new elevator aileron and rudder
trim box.
Series 1
SB 27-170
Mar 1996
-
R
27
Flight controls - Rudder - To introduce
improved trim jack input gear shaft
All DH/BH/HS 125 Series 1 up to and including
Series 700 aircraft.
SB 27-172
Mar 1996
-
O
27
Airbrake. To introduce airbrake selector lever
baulk.
Model HS.125, Series 700A
SB 27-173
Apr 1996
-
M
27
Flight Controls - Inspection of rudder control
system for possible unsatisfactory circuit loads
and their cause(s)
Applicable to all aircraft as follows: BAe 125
Series 800A, 800B (including BAe 125 Series
800B Major Variants C29A and U125), Hawker
800 and 800XP.
SB 27-174
Apr 1996
-
M
27
To introduce rudder quadrant with 2.82'' rudder
bias strut pick up radius superseding the
current radius of 2.72''
Hawker 800XP
SB 27-176
May 1997
-
M
27
Flight Controls - Inspection of LH and RH wing
stall detector vent pipes for presence of
identification labels and debris in fuel booster
pump screens
Hawker 800XP (258286, 258287,258289 to
258295,258298 to 258300, 258302,258303,
258307 and 258308)
SB 27-18
May 1965
-
I
27
To introduce flap spring strut at servodyne with
more length adjustment.
Series 1, 1A, 1B and 2
SB 27-19
Jun 1965
-
I
27
To introduce split distance tube in aileron
control at rib 10.
Series 1, 1A and 1B
SB 27-2
Dec 1964
1
R
27
To improve functioning of flap lever baulk
location for the control column gaiter.
Series 1, 1A and 1B
SB 27-20
Jul 1965
-
O
27
To introduce nylon-coated rudder and elevator
drums and sealed bearings for elevator drum.
Series 1, 1A and 1B
SB 27-21
Jun 1968
2
R
27
Elevator aileron & rudder trim circuits. To
introduce fairings over lightening hole flanges.
Series 1, 1A and 1B
SB 27-22
Sep 1965
-
R
27
Provides increased clearance between lower
airbrake L/E fingers and wing skin.
Series 1A, 1B and 3
SB 27-23
Oct 1965
-
R
27
Flap Control System. To chamfer nylon
pressure seal on flap control pulley at frame 16.
Series 1, 1A, 1B and 3
SB 27-24
Jul 1965
-
R
27
To reduce max 'nose down' elevator trim and
increase max 'nose up' elevator trim.
Series 1 1A 1B
12/24/2008
Page 81 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-25
Sep 1965
-
I
27
Flaps. To introduce adjustment at flap spring
strut and reduce friction.
Series 1, 1A, 1B and 3
SB 27-28
Feb 1966
-
O
27
Rudder and Rudder trim controls. To introduce
shorter hoses between junction block and strut.
Series 1, 1A, 1B and 3
SB 27-29
Dec 1968
2
O
27
Flap controls. To introduce Lockheed Mod
5488 to flap servo drives, Part. A AIR45566/4/7, Part. B - AIR45568/4/7.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3, 3A and 3B (Pre Mod.255640)
SB 27-30
Nov 1970
3
R
27
Flap Servodynes. To introduce Lockheed mod
ESA5463 to flap servodynes AIR45566/2/5 and
AIR45568/2/5.
Series 1, 1A, 1A/S-522, 1B, 1B/S-522, 3A and 3B.
SB 27-31
May 1966
-
I
27
Rudder Bias System. To introduce Dunlop
Mod.M388 on rudder bias strut (Dunlop SB
36-76).
Series 1 and 1B
SB 27-3150
Oct 1997
-
O
27
Flight Controls - Airbrakes - To introduce
airbrake selector lever baulk
Hawker 800XP
SB 27-3153
Jan 1998
-
M
27
Flight Controls. Removal of rudder bias drain
valves and pipes.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 27-32
Nov 1970
2
I
27
To introduce Lockheed Mod.SA5417 to Air
brake jacks AIR45398 and AIR45399 Flap
Servodynes AIR45566 AIR45568 & Steering
Servo AIR45396.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 27-3217
Nov 1999
-
M
27
Flight controls - Captain's and Co-Pilot's rudder
pedal adjuster assembly - Incorrect assembly
of retaining ring and retaining washer
All DH/BH/HS 125 Series 1A/1B, 3A/3B,
400A/400B; with the following assemblies:
25CF169AB - Adjuster Assembly, Rudder Pedal,
Captains (Pre. Mod. 251924);25CF169AD Adjuster Assembly, Rudder Pedal, Captains
(Mod. 251924); 25CF170AB - Adjuster Assembly
SB 27-33
May 1966
-
R
27
Elevator Trim Control Installation. Incorrect
assy of cable guard in horizontal stabiliser front
pulley bracket assy.
Applicable to HS.125 aircraft, all Series.
SB 27-34
Oct 1969
2
M
27
Elevator Ailerons. Introducing an internal gust
lock for elevator and aileron controls.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-35
May 1966
-
R
27
Elevator trim tab servo mounting. To introduce
class 2 locking at chain guards in elevator auto
trim servo installation.
Series 1, 1A, 1B, 3, 3A and 3B
12/24/2008
Page 82 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-3554
Nov 2007
4
O
27
FLIGHT CONTROLS - Proline 21 Air Brake
Baulk For Canadian Certification
Hawker 800XP, Serials 258541, 258556, 258567
and subsequent. Hawker 900XP, Serials HA-0001
and subsequent. This Service Bulletin has been
revised to add Hawker 900XP to effectivity.
SB 27-3589
Mar 2004
1
M
27
Flight Controls - Removal of corrosion from
airbrake jack valve body
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522;HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R; DH.
SB 27-36
Sep 1968
1
I
27
Rudder and Rudder trim. Elevator and Elevator
trim. To introduce improved sealing of control
cables through the pressure dome.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA.
SB 27-3676
Jul 2004
-
R
27
Flight Controls - Elevator Control Quadrant
Support Fitting Forward Bolt Inspection
HAWKER 800XP, Serials 258628 through
258666.
SB 27-37
Jun 1966
-
R
27
Introduction of Lockheed Mod.ESA 4058
(Airbrake jacks, Lockheed SB 27-4).
Series 1, 1A and 1B
SB 27-38
Dec 1970
2
I
27
Flap Jacks. AIR45566 and AIR45568 To
introduce Lockheed Mod.ESA4064 (SB 27-8).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A and 3B
SB 27-3805
Nov 2006
-
O
27
Flight Controls - Flap Hydraulic System
Electrical Wiring Modification
Mitsubishi Model MU-300, Serials A003SA
through A091SA; Raytheon Aircraft Model 400
Beechjet, Serials RJ-1 through RJ-65; Raytheon
Aircraft Model 400A Beechjet, Serials RK-1
through RK-353; Raytheon Aircraft Model 400A
(Hawker 400XP), Serials RK-354 through
RK-507.
12/24/2008
Page 83 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 27-3827
SB 27-3840
Description
Effectivity
Mar 2007
-
R
27
Flight Controls - Flap Asymmetry Detector
Inspection and Replacement
Model 400A (Including Hawker 400XP), Serials
RK-402, RK-407, RK-409 through RK-457,
RK-459 through RK-466, RK-476, RK-483, and
RK-497;Model 400A, Serials RK-1 through
RK-401, RK-403 through RK-406, RK-408,
RK-458, RK-467through RK-475 and RK-477
through RK-482 who have installed P/N
45AS86805-017 flapasymmetry detector from
February, 2005 to October, 2006 with serial
numbers listed in Table 1;Model 400, Serials RJ-1
through RJ-65 who have installed P/N
45AS86805-017 flap asymmetrydetector from
February, 2005 to October, 2006 with serial
numbers listed in Table 1;Model MU-300, Serials
A003SA through A0091SA who have installed
P/N 45AS86805-017 flapasymmetry detector from
February, 2005 to October, 2006 with serial
numbers listed in Table 1.
Nov 2007
1
O
27
Flight Controls - Improved Grease for Trim
Jacks
This Service Bulletin has been revised to add
Hawker 900XP aircraft to the Effectivity. This
Service Bulletin applies to the following pre-Mod
25G138 aircraft: DH.125 Series 1A; HS.125
Series 1B; DH.125 Series 1A-522; HS.125 Series
1B-522; DH.125 Series 1A/R-522; HS.125 Series
1B/R-522; DH.125 Series 1A/S-522; HS.125
Series 1B/S-522; DH.125 Series 3A; HS.125
Series 3B; DH.125 Series 3A/R; HS.125 Series
3B/R; DH.125 Series 3A/RA; HS.125 Series
3B/RA; HS.125 Series 3B/RB; HS.125 Series
3B/RC; HS.125 Series F3B; HS.125 Series
F3B/RA; BH.125 Series 400A; DH.125 Series
400A; HS.125 Series 400A; HS.125 Series 400B;
HS.125 Series 400B/1; HS.125 Series 401B;
HS.125 Series 403A(C); HS.125 Series 403B;
HS.125 Series F400B; HS.125 Series F403B;
BH.125 Series 600A; HS.125 Series 600A;
HS.125 Series 600B; HS.125 Series 600B/1;
HS.125 Series 600B/2; HS.125 Series 600B/3;
HS.125 Series F600B; HS.125 Series 700A;
HS.125 Series 700B; BAe.125 Series 800A;
BAe.125 Series 800A (C-29A); BAe.125 Series
800A (U-125); BAe.125 Series 800B; BAe.125
Series 1000A; BAe.125 Series 1000B; Hawker
800; Hawker 800 (U-125A); Hawker 1000;
Hawker 800XP, Hawker 850XPand Hawker
900XP.
12/24/2008
Page 84 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-39
Nov 1970
1
I
27
To introduce Lockheed Mod.ESA5535 to flap
jack AIR 45566.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 27-4
Nov 1964
-
I
27
To introduce one piece elevator 'G' Weight in
place of two separate weights.
Series 1 1B
SB 27-40
Jul 1966
-
O
27
Introduction of (Part. A) new airbrake hinge
bolt, and (Part. B) new bottom fairing into
lift/dump control system.
Series 1, 1A and 1B
SB 27-41
Jul 1966
-
R
27
Inspection of aileron shroud clearancs.
Applicable to HS.125 aircraft, all Series.
SB 27-42
Jun 1970
1
I
27
General. To introduce Honeywell micro
switches 1HS N66 & 1HS N64 in lieu of 1HS 1
& 1HS N3 respectively in all control system.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA,
3B, 3B/R, 3B/RA, 400A and 400B
SB 27-43
Jun 1970
3
R
27
Airbrakes. To introduce improved clearance
between airbrake jack body and airbrake hinge
fitting.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-44
Oct 1966
-
O
27
Introduction of new aileron trim fairlead at LH
shroud skin stiffener between ribs 4 and 5.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-45
Oct 1966
-
R
27
Elevator and Elevator trim control systems. To
introduce improved control column gaiter and
gaiter mounting. Reshaped tighter gaiters to
eliminate slack folds.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-46
Oct 1966
-
R
27
Elevator trim circuit. To prevent cable guard at
pulley bracket in horizontal stabiliser from
jamming trim circuit.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-47
Nov 1966
-
R
27
To introduce ident labels on certain controls in
the cockpit.
Series 1A and 1B
SB 27-48
Jul 1967
-
O
27
Elevator and elevator trim control systems. To
modify elevator trim tab con-rod.
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-49
Jun 1970
1
M
27
Flap control system. To introduce a self
retaining bolt at the flap centre hinge.
Series 1, 1A, 1B, 3, 3A and 3B (without
mod.255640)
SB 27-5
Nov 1964
-
I
27
To introduce one piece casting for trim jack
bodies.
Series 1, 1A and 1B
SB 27-50
Sep 1970
2
R
27
Modification to aileron controls at 'A' lever.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3A/R 3A/RA 3B 3B/RA
400A 400B
12/24/2008
Page 85 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-51
Oct 1982
2
O
27
Flight controls - Gust Locks - To introduce a
new throttle lever baulk interconnected to the
gust lock
Series 1, 1A, 1B, 3, 3A and 3B
SB 27-52
Jul 1967
-
I
27
Flap control system. To modify flap torque tube
drive housings.
Series 3A/R, 3B/R and 1B/R-522
SB 27-54
Dec 1967
-
I
27
Flap position indicator. To fit indicator PW202
HSD BU20 in lieu of PW202 HSD BU19.
Series 3A/R, 3B/R and aircraft094.
SB 27-55
Nov 1968
-
O
27
Flap synchroniser transmitter drive.
Introduction of adjustable drive link in lieu of
fixed length link.
Series 3A/R
SB 27-57
Mar 1968
-
R
27
Elevator 'G' weight assy. 'G' weight arm assy
touching the panel.
Series 1 1A 1B 3A 3B
SB 27-58
Oct 1970
1
I
27
To introduce Hobson Mod.371 to flap control
unit 614 Mk4 (Hobson SB 27-274).
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
SB 27-59 - 251953A
Jun 1968
-
R
27
Flap control system. Modification to spring
struts at flap control and servodyne.
Part A- Series 1A, 1B, 3A and 3B.Part B- Series
3A/R, 3B/R, 3A/RA and 3B/RA.
SB 27-59 - 251953B
Jun 1968
-
R
27
Flap control system. Modification to spring
struts at flap control and servodyne.
Part A- Series 1A, 1B, 3A and 3B.Part B- Series
3A/R, 3B/R, 3A/RA and 3B/RA.
SB 27-6
Nov 1964
-
I
27
To introduce modified rudder quadrant cable
guard.
Series 1, 1A and 1B
SB 27-60
Aug 1968
-
R
27
Elevator and elevator trim control system. To
introduce modified control column gaiters.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 27-61
Apr 1969
3
R
27
Flap control system. To increase effort of the
flap input circuit.
Series 1B/R-522, 3A/R, 3A/RA and 3B/RA
SB 27-62
Oct 1970
1
I
27
To introduce Hobson Mod.HCA409 to flap
control unit 614 Mk1.
Series 1B/R-522 (25094), 3A/R, 3A/RA, 3B/RA,
400A and 400B
SB 27-63
Oct 1970
1
I
27
To introduce Hobson Mod.HCA394 to flap
control unit 614 Mk1 (Hobson SB 27-303).
Series 1B/R-522 (25094), 3A/R, 3A/RA, 3B/RA,
400A and 400B
SB 27-64
Dec 1968
-
I
27
To introduce Hobson Mod.HCA377 to flap
position receiver 617 Mk1.
Series 1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA,
400A and 400B.
SB 27-65
Dec 1970
1
I
27
Landing gear and flight controls. To introduce
greaser adaptors in lieu of inserts.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
12/24/2008
Page 86 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-66
Jan 1969
-
R
27
Flap control system. Jamming between baulk
lever and latch.
Applicable to HS.125 Series aircraft, Series 3A/R,
3A/RA, 3B/RA, 1B/R-522, 400A and 400B
SB 27-67
Apr 1969
1
R
27
To introduce waxed string in lieu of
'MICROFLEX' clips for retention of grease
covers on flap torque shafting.
Series 1B/R-522 3A/R 3A/RA 3B/RA 400
SB 27-68
Feb 1969
-
O
27
Flap controls system. To improve run of flap
synchroniser cables within space between LR
tank front wall and U/C fairing.
Series 1B/R-522, 3A/R, 3A/RA and 400A- NA711
only
SB 27-69
Jan 1972
1
O
27
Flap controls. To introduce Hobson
Mod.HCA431 to flap control unit 614 Mk1.
Series 3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 27-7
Jan 1965
1
I
27
To introduce Lockheed flap servodyne
AIR45568 in lieu of AIR45566.
Series 1 and 1B
SB 27-70
Dec 1970
-
O
27
Flap screw jacks. The existing ice chippers
thread seals and wipers are replaced by new
redesigned items.
Model DH.125, Series 3A/R and 3A/RA. Model
HS.125, Series 1B/R-522 and 3B/RA
SB 27-71
May 1969
-
I
27
Flaps. To introduce screw and nut assy
CHA614-281 in lieu of and by conversion of
CHA614-258 Hobson Mod.HCA451.
Series 3A/R, 3A/RA, 3B/RA, 1B/R (522), 400A
and 400B
SB 27-72
Sep 1969
1
I
27
To introduce Dunlop Mod.M643 to rudder bias
strut AC60188.
Series 1, 1A, 1A-522, 1A/S-522, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 27-73
Jun 1969
-
I
27
Flaps. To introduce Hobson Mod.HCA469 to
flap control unit 614 Mk1.
Series 3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 27-74
Jun 1970
1
I
27
Aileron, Rudder & Elevator. To improve the
control surface balancing. Alternative brass
compensator balance weight on rudder.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R, 3B/RA, 400A and 400B
SB 27-75
Jul 1969
-
R
27
Elevator control cable. Interference between
elevator cable turnbarrel and bracket securing
static pipes at Frame 6.
Applicable to HS.125 aircraft
SB 27-79
Nov 1984
4
O
27
Flight controls - Flap synchronizing - To modify
flap symmetry cable circuit LH
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
SB 27-79 - INSP
Aug 1969
-
R
27
Flap synchroniser cables. LH inner cables (Pre
Mod.251903) frayed.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
12/24/2008
Page 87 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-80
Jun 1975
1
I
27
Flap control unit. Introducing Hobson
Mod.HCA434A.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model HS.125, Series 1B/R-522, 3B/RA and
400B
SB 27-81
Oct 1969
-
R
27
Flap synchroniser cables (L/Range aircraft).
RH inner cable chafing against airbrake
hydraulic pipe.
Applicable to HS.125 aircraft Series 1B/R-522,
3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 27-82
Aug 1970
-
O
27
Flap control unit. Introducing 'O' ring seal on
resetter screw.
Series 1B/R (A/C 25094) 3A/R 3A/RA 3B/RA 400
SB 27-83
Mar 1970
-
R
27
To introduce improved method of locking Top
Airbrake stop bolt.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Seris 1,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 27-84
Feb 1970
-
R
27
Pilots control column mounting installation.
Incorrect protective treatment of a batch of
mounting castings.
Applicable to HS.125 aircraft, all Series
SB 27-86
Mar 1972
4
M
27
Addition of Airbrake Servodyne spring pots and
split-pinned slotted stiffnuts.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3B/RA and 400B.
SB 27-87
Nov 1971
-
R
27
Rudder bias strut AC64166 introduced in lieu
and by conversion of strut AC60188 Dunlop
Mod.M989 SB 39-196.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B
SB 27-88
Mar 1971
-
I
27
Replacement of airbrake position indicator
microswitch 1HS-N64 by 1HY-51.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA, 400B
and 600B.
SB 27-89
Dec 1970
-
R
27
Captain and co-pilots rudder pedal adjuster
assembly. Incorrect assy of retaining ring and
retaining washer.
Applicable to HS.125 aircraft, all Series
SB 27-9
Dec 1964
2
R
27
Control column gaiter assy possible loose fit.
This Bulletin is applicable to the HS.125 Series 1,
1A, 1B and 2
SB 27-90
Jul 1972
1
O
27
Flap synchroniser circuit. Covers added over
cables in wing shroud transmitter and pulleys
and cable separator angle increased in depth
and length.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A. Model HS.125,
Series 1B/R-522, 3B/RA and 400B
12/24/2008
Page 88 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 27-91
Mar 1971
-
I
27
Flap screwjack. Screw shaft and nut assy
CHA614-296 replace CHA614-281 Chorme
plate in lieu of silver on screwshaft nut body
and liners.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A. Model HS.125,
Series 1B/R-522, 3B/RA, 400B and 600B
SB 27-92
Jan 1971
-
R
27
Possible fracture of connecting rod attachment
lugs of aileron, rudder, and elevator trim and
geared tabs.
Applicable to HS.125 aircraft, all Series
SB 27-93
Mar 1971
-
R
27
Check of adequate thread engagement of
slotted stiffnuts. (Mod.252174) in airbrake
control system adjustable LH and RH links.
Applicable to HS.125 and DH.125 aircraft, Series
1A, 1A-522, 1A-(522), 1A/S-522, 1A/R-522, 1B,
1B-522, 1B-(522), 1A/R-522, 1B/S-522, 3, 3A, 3B,
3A/R, 3B/R, 3A/RA, 3B/RA, 400A and 400B with
Mod. 25/2174
SB 27-95
Jun 1971
-
R
27
Identification of slotted stiffnuts in LH airbrake
control system adjustable link assy and cableend attachment.
Applicable to HS/BH.125 aircraft, witht Series
3B/RA, 400A and 400B
SB 27-96
Apr 1972
-
O
27
Flap control unit 164 Mk1-Control unit reset by
shimming stop bolt to increase flap lowering
times and resident Mk2 Hobson Mod HCA539.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A. Model HS.125,
Series 1B/R-522, 3B/RA and 400B.
SB 27-97
Aug 1971
-
R
27
Rudder trim and geared tabs. Inspect for
cracking of hinge brackets and links.
Applicable to HS/DH 125 aircraft, Series 1, 1A,
1A-522, 1A/S-522, 1B, 1B-522, 1B/S-522 and 3B
SB 27-99
Apr 1972
-
R
27
Rudder bias system air supply. Possible fouling
between water drain traps and structure.
Applicable to DH/HS/BH.125 aircraft Series 1, 1A,
1B, 3A, 3B and all variants, 400A and 400B
SB 27-A140
Mar 1986
-
M
27
Flight controls - Flap system - Inspection of
torque shaft assemblies
Applicable to Series DH/HS 125 aircraft, Series 1,
1A, 1B, 3A, 3B fitted with Viper or TFE 731
engines
SB 27-A158
Oct 1992
-
R
27
Flight Controls- Inspection of rudder bias drain
pipes for cracking due to freezing moisture
Applicable to all BAe 125 Series 1000A and
1000B
SB 27-A3
Dec 1964
1
R
27
Locking device. Only to be used when aircraft
is parked.
All Hawker Siddeley 125 Series 1, 1A, 1B ALERT
BULLETIN 27-A3
SB 27-A49
Jun 1967
-
M
27
Flap operating Mechanism. Omission of
split-pin from flap centre hinge bolt.
Applicable to HS.125, aircraft, all Series
SB 27-A98
Jan 1972
-
M
27
Flap syncrhronizer cable slush guards. Mud
and water accumulation freezing and
preventing flap operation.
Applicable to HS/DH/BH 125 aircraft with
Mod.25/2455 or 125 S.B. 27-90 (2155) embodied.
Model HS 125, Series 1B/R-522, 3B/RA and
400B. Model DH.125, Series 3A/R, 3A/RA and
400A. Model BH.125, Series 400A.
12/24/2008
Page 89 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 28
Fuel
SB 28-1
Nov 1964
-
O
28
To ease replacement of fuel filler caps.
Series 1
SB 28-10
Dec 1970
1
O
28
Introducing Thompson products Mod.03 to
Booster pump TB258800-1.
Series 1, 1A, 1A-522, 1B and 1B-522
SB 28-11
Dec 1970
2
I
28
Introducing Plessey Mod.P485 to de-icing
pump Plessey Pt. No. DP022/1.
Series 1, 1A, 1A-522, 1B, 1B-522 and 3B
SB 28-12
Jun 1966
-
O
28
Storage. Filler cap type AWE192-4 to introduce
HSD Mod.28003. (HSD SB28-1).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 28-13
Jun 1966
-
R
28
To introduce a water transfer system in wing
tanks to transfer any residue water to the
collector tank.
Series 1, 1A, 1B, 3, 3A and 3B
SB 28-15
Sep 1966
1
R
28
Fuels - Feed system - Temporary procedure to
detect damaged seals
Applicable to all H.S. 125 aircraft excepting
25080, 25089, 25090, 25092, 25094, 25097,
25099 and 25104 and subsequent until the
inspection/rectification work has been completed.
SB 28-16
Jun 1971
2
I
28
Fuel contents indicating. Introduction of Smiths
Mod.09 to amplifier FAB 28.
Series 1A, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA.
SB 28-17
Oct 1966
-
R
28
Indicating / ground servicing. Introducing dip
tube calibrated to record fuel contents in US
gallons.
Series 1A
SB 28-18
Apr 1967
-
R
28
Fuel filter de-icing system and windshield fluid
de-icing. Corrosion.
applicable to H.S.125 aircraft, all Series
SB 28-2
Feb 1965
-
R
28
Replacement of fuel ampifier valves.
Applicable to H.S. 125 Series 1, 1A and 1B
aircraft fitted with Fuel Quantity Amplifier Code
FAB 28
SB 28-21
May 1968
1
R
28
Fuel feed system. To introduce revised fuel
pipe installation in the region of fuselage frame
20A to A/C pre Mod.251700 & 255640.
Series 1, 1A, 1B, 3A and 3B
SB 28-22
Nov 1970
1
I
28
Fuel contents indicating. To introduce Smiths
fuel contents gauge cable box BT. 27-3 in lieu
of BT. 27-2.
Series 1, 1A, 1B, 3A, 3B, 1A-522, 1A/S-522,
1B-522, 1B/S-522, 1B/R-522, 3A/R, 3A/RA,
3B/RA, 400A and 400B.
12/24/2008
Page 90 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-23
Jan 1973
2
M
28
Introduction of fuel filter NRV AWE124-25A in
lieu of AWE124-25.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B.
SB 28-25
Jul 1968
2
R
28
De-icing system. Fuel filter pump relief valve
affected by corrosion.
Applicable to H.S. 125 aircraft, all Series, Pre.
Mod.257150 and Pre.Mod.251840
SB 28-26
Nov 1967
-
R
28
Fuel contents indicating. To reposition fuel
contents trimmer boxes so that external
connections do not face downwards.
Series 1A and 1B
SB 28-27
Oct 1968
1
O
28
Fuel feed system. To introduce Intertechnique
booster pump Pt. No. 2070COI in lieu of
Thompson pump Pt. No. TB258800.
Aircraft 25121, 25122 and 25127
SB 28-28
Nov 1970
1
O
28
Storage. To introduce HSD Mod.28151 to fuel
filter cap AWE192/4A.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3B/RA, 400A
and 400B
SB 28-29
Apr 1973
2
R
28
Fuel filter de-icing and windshield fluid de-icing
systems. To introduce revised materials.
Series 1, 1A, 1A/S-522, 1B, 1B/R-522, 3, 3A, 3B,
3A/R, 3A/RA, 3B, 3B/RA, 400A and 400B
SB 28-3
Dec 1970
1
O
28
To introduce Smiths Mod.08 on fuel contents
amplifier FAB28.
Series 1, 1A, 1A-522 and 1B
SB 28-30
Nov 1967
-
O
28
Fuel feed system. To Modify fuel cock controls
under fuselage centre section.
Series 1, 1A, 1B, 3, 3A, 3B, 3A/R and 3B/R
SB 28-3031
Dec 1997
-
O
28
Fuel - Introduction of a damping restrictor at the
engine fuel low pressure warning switch
BAe 125 Series 800A and 800B (including Major
Variants C29A and U125), Hawker 800 (including
Major Variant U125A) and Hawker 800XP
SB 28-31
Nov 1970
1
I
28
Fuel contents indicating. To introduce Smiths
fuel gauging co-axial cable assemblies.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522, 3A,
3B, 3A/R, 3A/RA and 3B/RA
SB 28-32
Oct 1970
1
I
28
To introduce Smiths Mod.10 to fuel contents
amplifier.FAB28.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 28-33
Jun 1968
-
R
28
Fuel storage and distribution. Incorrect
assembly of AVIMO couplings in the wing
centre section.
applicable to H.S.125 aircraft, Series 3A/R
SB 28-34
Oct 1970
1
R
28
To introduce Plessey Mod.P831C to fuel filter
de-icing pump DP022/5.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
12/24/2008
Page 91 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-35
Mar 1971
1
I
28
Fuel feed system.To introduce Intertechnique
booster pump Pt No. 2070 C01 in lieu of
Thompson type booster pump Pt No. TB
258800.
Series 1, 1A, 1B, 1A/R, 1B/R, 1A/S-522,
1B/S-522, 3A, 3B, 3A/R, 3B/R, 3A/RA and 3B/RA
post mod.251120
SB 28-36
May 1970
2
R
28
Fuel feed system. Rear equipment bay pipe
corrosion.
Applicable to H.S.125 aircraft, all Series.
SB 28-37
Jan 1969
-
I
28
Fuel filter de-icing system. To introduce bagged
strontium chromate tablets in lieu of loose
tablets in the methanol tank filter.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 400A and
400B, Mod.251840
SB 28-38
Feb 1969
-
I
28
To introduce HSD Mod.28513 to Non-return
valves -124-14.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA, 400A
and 400B
SB 28-39
Feb 1969
-
I
28
To introduce Thompson RW fuel pump
25880-5 in lieu of 25880-3.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 28-4
Apr 1965
-
I
28
To reduce the amount of unusable fuel and to
simplify pump installation.
Series 1, 1A, 1B and 2
SB 28-40
Dec 1969
1
R
28
Power plant. General. To introduce Nose clips
type SP91 in lieu of Minox quick release clips.
Applicable to HS.125 aircaft, all Series,
incorporating Mod.25/1767, Part B.
SB 28-40 - INSP
Mar 1969
1
R
28
Feed pipe installation. Minox quick release
clips. Substitution by clips of another type.
Applicable to HS.125 aircaft, all Series,
incorporating Mod.25/1767, Part B.
SB 28-41
Apr 1969
1
R
28
Fuel feed system. Rear equipment bay pipes
fouling against structure
Applicable to HS.125 aircraft, Series 1B/R-522,
3A/R, 3A/RA and 3B/RA.
SB 28-42
Apr 1969
-
I
28
To introduce fuel label quoting long range tank
capacity in imperial gallons.
Series 3A/R, 3A/RA, 1B/R-522, 3B/RA, 400A and
400B
SB 28-43
Apr 1969
-
I
28
Contents indicating system. To introduce wing
tank fuel dip tubes AWE1151.
Series 1A, 3A, 3A/R, 3A/RA and 400A
SB 28-44
Jun 1969
-
I
28
Elliott fuel flowmeter system. To introduce
Elliott Mod.73-55 to engine fuel flowmeter
integrator unit EF 84444/45.
Series 3B and 3B/RA (A/C 25164, 25165, 25166,
25167 and 25168).
SB 28-45
Sep 1969
1
R
28
Introducing NRV. 9840000/J in lieu of
HSD124-34A. (flight refuelling) in fuel feed lines
from long range tank.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B.
12/24/2008
Page 92 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-46
Nov 1969
-
I
28
To introduce HSD filler cap AWE 192-4B in lieu
of AWE 192-4A. (HSD Mod.28678).
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B.
SB 28-47
Nov 1969
-
O
28
To remove fuel low pressure switch vent pipe.
Model HS.125, Series 1, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA and 400B. Model DH.125,
Series 1A, 1A-522, 1A/S-522, 3A, 3AR, 3ARA
and 400A.
SB 28-48
Dec 1978
3
R
28
To improve resistance to corrosion in fuel filter
de-icing system.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/S-522, 3B, 400B and 3B/RA.
SB 28-49
Aug 1970
-
O
28
De-icing pumps 550/1/21735. Type DP022/5
and DP022/6. Pt. A.New end cover treated with
ICI resistant finish. Pt. B.New pump body.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B.
SB 28-49 - INSP
Jun 1971
1
R
28
Fuel filter de-icing system. Excessive pressure,
instances have occurred of failure of the Diff.
pressure switch in fuel system.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B.
SB 28-5
Apr 1965
-
I
28
To introduce revised pipe run between frame
20A and rear spar.
Series 1, 1A, 1B and 2
SB 28-50
May 1975
6
R
28
Tanks. To introduce strontium chromate
capsules in wing tanks to reduce the possibility
of corrosion due to Microbiological action.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3ARA and 400A. Model BH.125, Series 400A and
600A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 3BRC,
400B, 401B, 403B and 600B.
SB 28-51
May 1971
-
I
28
Long range tank. To adopt series 600 tank for
earlier series of long range aircraft.
Model DH.125, Series 3A/R, 3A/RA and 400A.
Model BH.125, Series 400A. 1B/R-522, 3B/RA
and 400B.
SB 28-52
Nov 1971
-
O
28
Non return valve AWE124-14A and
HSD124-34A. Improved torsion spring
introduced. (HSD Mod.28699 SB 28-7).
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 28-53
Nov 1970
-
O
28
Long range tank vent pipe. revised clipping,
Existing sadle clip has been replaced by a 'P'
clip at station 3953.
Series 1B/R-522 3A/R 3A/RA 3B/RA 400
12/24/2008
Page 93 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-55
Mar 1976
-
R
28
Methanol shut-off cocks. Electrically operated
cocks are added between the Methanol pump
and the fuel system.
Series 1B/S-522 400B 600A 600B (up to A/C
256045)
SB 28-55 - INSP
Apr 1972
-
R
28
Fuel filter de-icing system. Contamination of
methanol by ingress of fuel.
Series 1B/S-522 400B 600A 600B (up to A/C
256045)
SB 28-56
Dec 1972
-
M
28
Fuel filter de-icing system. Contamination of
methanol by ingress of fuel. Pre- flight and
Weekly checks are required on the system.
Applicable to HS/DH/BH 125 aircraft Series 1 and
1A, 1B, 3B, 3A and variants, 400A and 400B, pre
Mod.25/1840 part F and 25/7247.
SB 28-57
Mar 1976
2
O
28
Fuel - Filter de-icing system - To change
remaining pipes couplings, bleed adaptor and
junction block from light alloy to stainless steel
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model HS.125, 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 28-60
May 1981
2
M
28
Fuel – Storage – To introduce rubber flap valve
beneath each wing filler cap
Model DH/HS/BH.125, Series 1, 3, 400, 401, 403,
600 and all variants.
SB 28-64
Apr 1977
-
R
28
Distribution. Inadequate locking of fuel transfer
valve connecting rod.
Applicable to HS/DH/BH 125 aircraft, all series
without mod.252590 embodied.
SB 28-65
Sep 1978
2
R
28
Pressure refuel / defuel system. To introduce
an improved pressure refuel Master cock
assembly.
Series 700 and all variants Mod.252545
SB 28-67
Dec 1978
1
M
28
Pressure refuel / defuel system. Failure of HTE
'v' clamps.
Series 700
SB 28-68
Apr 1979
1
O
28
Contents indicating system. To introduce
Smiths partial type 7 contents equipment in lieu
of Smiths Waymouth system.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 an
all variants. Model HS.125, Series 700 and all
variants.
SB 28-69
Jun 1979
1
M
28
Distribution. possible foul between fuel pipe
and flap input lever.
Applicable to all HS/DH/BH aircraft of Series
1B/R-522, 3A/R, 3A/RA, 3B/RA, 3B/RC, 400A,
403A(C) 400B, 403B, 600A, 600B, 3A/RA,
F-3B/R, F-400B and F-600B.
SB 28-70
Nov 1986
3
R
28
Fuel indicating - Coaxial cable MCK-B-45
replaces MCK-47 in the contents indicating
system
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants.
SB 28-71
May 1980
-
R
28
Refuel valve position indicator relays.
Suppression Diode added across coils.
Series 700A and 700B
SB 28-72
Aug 1980
-
R
28
Rigid pipelines. Possible foul between flap jack
Yoke and fuel pipe.
Apllicable to HS/DH 125 aircraft Series 1 and 3 all
variants pre-mod. 255640.
12/24/2008
Page 94 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-73
Dec 1980
-
I
28
Fuel system - Fitment of current production
L.P. fuel cock castings to aircraft without
pressure refuelling
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Seris 400, 401, 403, 600 and
all variants. Model HS/BAe.125, Series 700 and
all variants.
SB 28-75
Nov 1981
-
R
28
Storage. To introduce flap valve stop Bracket at
each overwing filler point.
Model HS/BAe.125, Series 700A and 700B
SB 28-76
Oct 1985
1
O
28
To relocate the front spar fuel contents gauging
connector MB54 to improve accessibility.
Model HS/BAe.125, Series 700 and all variants.
SB 28-77
Feb 1984
1
O
28
Fuel - Contents indicating system - Additional
interface seal at cable connections
Model HS/BAe.125, Series 700 and variants.
Model DH/HS/BH/BAe.125, Series 1, 3, 400, 600
and 700.
SB 28-78
Feb 1983
1
O
28
Contents indicating system. Improvements to
bridge amplifier unit 0201 KAM-3.
Model BAe.125, Series 700.
SB 28-79
Jul 1983
1
R
28
Contents indicating system. Improved bonding
of amplifiers and cable boxes. To minimise
radio interference effects on fuel indiction.
Model BAe.125, Series 700- Post Mod.252572
SB 28-8
Nov 1970
1
R
28
Flow transmitter. To introduce fuel flow
transmitter EF81112/09 in lieu of EF81112/08.
Series 3B (25/015, 25/062 and 25/069)
SB 28-80
Apr 1985
-
R
28
Fuel - Improved fuel resistant bulkhead
connectors
Model BAe.125, Series 800A and 800B
SB 28-81
Jan 1986
-
R
28
Fuel - Fuselage - Wings - Removal of strontium
chromate capsules
All Series- Models HS/DH/BH/BAe.125 aircraft.
SB 28-82
Jul 1987
2
O
28
Contents indicating system.Amplifiers/cable
boxes to Smiths AMI No. B1499 issue 3. To
provide improved reliability.
Series 700A and 700B
SB 28-83
Dec 1987
-
O
28
Fuel - Distribution - Introduce a one piece
refuel pipe at the master refuel valve in place of
existing cast adapter and stub pipes
Series 700A and 700B (with BAe Mod.252545).
Series 800A and 800B (258001 to 258078
inclusive, 258080, 258081, 258082, 258083 and
258084.
SB 28-84
Dec 1987
-
O
28
Fuel - Distribution - Pipe claming arrangement
revised
Applicable to Series DH/BH/HS/BAe 125 aircraft.
SB 28-85
May 1988
1
I
28
Fuel - General - Introduction of a revised
ventral fuel tank for aircraft post-mod.259499A
Model BAe Series 800 aircraft
Post-Mod.259499A.
SB 28-86
Jun 1991
-
M
28
Fuel - Inspection of fuel feed pipe joints for
misalignment at pipe entry into coupling
Applicable to Series F600A, F600B, 700A, 700B,
800A and 800B pre-mod.253180D
12/24/2008
Page 95 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 28-87
Dec 1991
-
M
28
Fuel - Inspection of fuel feed pipe joints for
misalighment at pipe entry into coupling
All Series up to and including 600 (excluding
F600)
SB 28-88
Aug 1992
-
I
28
Fuel - Booster pump - Introduction of airborne
pump Pt. No. 2C40-2
All Series up to and including 1000
SB 28-89
Feb 1993
-
R
28
Fuel system - Chafing of LH low pressure fuel
pipe by flap jack hydraulic union
Series 1 1A 1B 3A 3B (Pre long range)
SB 28-9
Nov 1970
1
O
28
De-icing pump. Introduction of Plessey pump
type DP022/6 in lieu of DP022/4.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522 and 1B/R-522.
SB 28-90
Jan 1993
-
O
28
Fuel - Front ventral tank - Introduction of a 150
second time delay in the fuel transfer valve
circuit.
Series 1000A and 1000B - Pre Mod.253374B
SB 28-91
Mar 1997
-
O
28
Distribution. Introduction of revised restrictors
to reduce ventral tank refuel times.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 28-92
May 1995
-
R
28
To prevent fuel entering the dry area outboard
of the vent surge tank via the cable conduit.
HS.125, Series 700A and 700B.
SB 28-93
Feb 1995
-
I
28
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247)
SB 28-94
Nov 2000
1
O
28
Refuel panel DT- Introduction of revised
circuitry latching the forward ventral tank valve
closed when the tank is full.
Part A:BAe 125 Series 1000A, 1000B and
Hawker 1000 Pre Mod. 253352A.Part B:BAe 125
Series 1000A, 1000B and Hawker 1000 Post
Mod. 253352A.
SB 28-A23
Jul 1968
2
M
28
Fuel filter de-icing system. Non return valve
(AWE). Failure of plate valve facing.
Applicable to HS.125 aircraft, all Series
SB 28-A63
Mar 1977
-
M
28
Filter de-icing system. Possibility of overhauled
pumps supplied by HSD Hatfield unit prior to
18/2/77 not operating in low temperatures.
Applicable to HS.125 aircraft fitted with fuel filter
de-icing pumps supplied under H.S.A. Hatfield
Unit Exchange scheme, which have been in use
for less than 6 months or 100 flying hours,
whichever occurs sooner.
SB 28-A65
Jan 1978
1
M
28
Pressure refuel / defuel system. Failure of lugs
on master refuel valve tee piece.
Applicable to HS.125 Series 700 aircraft
SB 28-A66
Oct 1978
-
R
28
Pressure refuel / defuel system. Failure of HTE
'V' clamps.
Series 700
12/24/2008
Page 96 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 29
Hydraulic Power
SB 29-1
Jan 1965
2
R
29
To ensure that pressure transmitter indicates
normal accumulator pressure at all times.
Series 1, 1A and 1B
SB 29-10
Jul 1965
-
R
29
To increase gauge of HP hydraulic pipes
between engine driven pump and fillet.
Series 1, 1A and 1B
SB 29-101
Apr 1997
3
R
29
Hydraulic Power - Introduction of a bypass with
a flow restrictor in the air brake hydraulic
system
Hawker 800 XP (258266, 258277 to 258287,
258289 to 258304, 258307 to 258324, 258327 to
258330, 258332, 258335 and 258337 inclusive.
SB 29-12
Dec 1965
-
R
29
Main and Auxiliary system. To introduce nylon
reinforced hose and revised clipping at
hydraulic reservoir sight tube.
Series 1, 1A, 1B and 3
SB 29-13
Jun 1966
-
O
29
Introduces packings to auxiliary tank mounting
plates.
Series 1, 1A, 1B, without Mod.251398
SB 29-13 - INSP
Nov 1965
-
R
29
Possible fouling of auxiliary system tank
installation bolts with tank walls.
Series 1, 1A, 1B, without Mod.251398
SB 29-14
Jan 1966
-
R
29
Main System. To introduce new pipe in
hydraulic box between frames 21 and 22.
Series 1, 1A, 1B and 3
SB 29-16
May 1968
2
R
29
Main system. To change light alloy hydraulic
pipes to stainless steel.
Series 1, 1A, 1B, 3, 3A and 3B
SB 29-17
May 1966
-
R
29
Main system. Failure of high pressure hose
assembly from hydraulic pump.
Applicable to HS.125 aircraft all Series.
SB 29-18
Jun 1966
-
O
29
Indicating. Introducing Sangamo Weston
Mod.H to pressure transmitter S122.
Series 1, 1A and 1B
SB 29-19
Jul 1966
-
O
29
U/C emergency lever socket. To introduce
cover label and wire locking.
Series 1, 1A, 1B, 3A and 3B, without Mod.
255501
SB 29-2
Mar 1965
2
M
29
Auxiliary power. To introduce modified hand
pump tank.
Series 1, 1A and 1B
SB 29-20
Nov 1970
1
I
29
Main system. Accumulators AIR45440. To
introduce Lockheed Mod.5564.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
12/24/2008
Page 97 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-21
Nov 1970
1
O
29
Main System. Accumulators AIR45440. To
introduce Lockheed Mod.5569.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 29-22
Oct 1966
-
O
29
Landing Gear. To introduce 5/32 inch bore
Dunlop hoses with revised type end
connections.
Series 1, 1A, 1B, 3, 3A and 3B
SB 29-23
Oct 1966
-
O
29
Main System. To introduce 'REED SWITCH'
type hydraulic tank contents transmitter.
Series 3
SB 29-24
Dec 1966
-
O
29
Junction block at nose gear hoses. To
introduce new junction block with positioned
tapping for emergency press pipe.
Series 1A, 1B (25080 to 25108)
SB 29-25
Oct 1966
-
R
29
Main system reservoir assembly. Level
indicator tube impaired by overheating.
Applicable to HS.125 125 aircraft, all Series.
SB 29-26
Jun 1967
1
R
29
Main system. To replace Dunlop hose 25EK
335 with Palmer Fluoflex FD200-6 hose.
Series 1, 1A, 1B, 3, 3A and 3B
SB 29-28
Mar 1967
-
R
29
To revise fuse designation label in DA-AD for
emergency hydraulic system.
Series 3 (25062 and 25069)
SB 29-29
Dec 1966
-
I
29
Main system. Installation of NRV AIR48026 in
lieu of AIR45420 on front pressure bulkhead in
nose gear bay and in hydraulic box.
Series 1, 1A, 1B, 3, 3A, 3B, 400A and 400B
SB 29-30
Jan 1967
-
R
29
Wheels and brakes. Deletion of metal clamp
block on main undercarriage leg.
Series 1, 1A, 1B, 3, 3A and 3B
SB 29-3027
Jan 1998
-
R
29
Introduction of revised filtration system in
hydraulic module.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 29-31
Jul 1974
3
I
29
Main system (Servicing). To introduce ground
test connection to hydraulic system in engine
pod.
Series 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A, 400B, 600A and 600B
SB 29-32
May 1968
1
O
29
Main system. Add micronic filtration in pressure
line to hydraulic system.
Series 1, 1A, 1B, 3, 3A, 3B and 3A/R
SB 29-3225
May 2002
-
O
29
Hydraulic Power- Introduction of manually
Operated Pressure Release Valves
Hawker 800 XP Aircraft Pre Mod. 25F774A
SB 29-3287
Aug 2000
-
O
29
Restricted - See Remarks
Hawker 800 (U-125A) JASDF airplanes, Serial
Numbers 258245, 258247, 258250, 258268,
258288 and 258305.
12/24/2008
Page 98 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-33
Nov 1967
-
O
29
Main system. Hydraulic hose connector on
fillet/engine.
Series 1, 1A, 1B, 3, 3A, 3A/R, 3B and 3B/R
SB 29-34
Nov 1970
1
O
29
Main system. To introduce Saunders Mod.75 to
'ON - OFF' valve 105 BR 09.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3A/RA 3B 3B/RA 400A
400B
SB 29-3440
Dec 2001
-
O
29
Hydraulic Power - Introduction of a Combined
Restrictor and Pressure Relief Valve in Each
Wing Airbrake Hydraulic Circuit
BAe.125 Series 800A, Post Mod. 259283C and
Pre Mod. 25F624A; BAe.125 Series 800B, Post
Mod. 259283C and Pre Mod. 25F624A; Hawker
800, Post Mod. 259283C and Pre Mod. 25F624A;
Hawker 800XP, Post Mod. 259283C and Pre
Mod. 25F624A; Hawker 800 (U-125A), Pre Mod.
25E274A.
SB 29-3441
Sep 2001
-
M
29
Introduction of a combined restrictor/pressure
relief valve in the airbrake bypass system
Hawker 800XP, Post Mod. 25F624A or with SB
29-101 accomplished.
SB 29-35
Jun 1970
1
R
29
Hoses in landing gear flaps and airbrake
systems. Failure through corrosion of metal
braid.
Applicable to HS.125 aircraft, all Series.
SB 29-36
Nov 1970
1
I
29
To introduce Sangamo Weston Mod.R to
pressure transmitters Pt. No.S122/6/63.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 29-37
Jun 1968
-
R
29
Main system. To introduce Saunders valve
105BR02/A in lieu of BR 02/1 (Saunders SB
28-10-82).
Series 1 (25003)
SB 29-3759
Dec 2005
-
M
29
Hydraulic Power - Inspection of Hydraulic Lines
for Possible Chafing
All BAe.125 Series 1000A, BAe.125 Series 1000B
and Hawker 1000.
SB 29-4
Feb 1965
-
M
29
Introduction of additional items for hydraulic
emergency system.
Series 1, 1A and 1B
SB 29-40
Aug 1969
-
I
29
To introduce Lockheed Mod.SA5801 to engine
driven hydraulic pump AIR111500.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A, 3B, 3A/R, 3A/RA, 400A and 400B
SB 29-41
Aug 1969
-
I
29
To introduce Lockheed Mod.SA5467 to engine
driven hydraulic pump AIR111500.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B
SB 29-42
Aug 1969
-
O
29
To introduce stronger mounting brackets on
emergency hydraulic tank.
Series 1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA,
400A and 400B (Post Mod.251398)
12/24/2008
Page 99 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-43
May 1970
-
I
29
Engine driven pump. To introduce Lockheed
Mod.5645.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 29-44
Aug 1970
-
O
29
To introduce light alloy clamp blocks in pump
and cut-out valve circuits.
Model DH 125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125 SEris 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B.
SB 29-45
Nov 1970
-
O
29
Hand pumps. To introduce punch locking of
lever and fulcrum bushes.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B
SB 29-46
Mar 1971
-
R
29
Landing gear. Air charging valves are replaced
by a valve having a safety venting slot
machined along the thread at system end of
body.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A
and 3AR. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522 and 3B.
SB 29-47
Nov 1971
-
I
29
Engine driven pump AIR111500. Gasket
AIR24308 lightly coated with sealant ADS423
Lockheed Mod.6356 SB 29-94).
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3ARA and 400A. Model BH.125, Series 400A.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B.
SB 29-48
May 1972
-
O
29
Hoses to main gear retraction jack. Sleeved
hoses introduced to prevent the hoses being
damaged by chafing.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 29-49
Sep 1972
1
R
29
Replacement of suspect hoses in landing gear
and airbrake system.
All variants Series 1 1A 1B 3A 3B 400A 400B and
Series 600A 600B plus items held as spare or in
stores
SB 29-5
Sep 1965
1
R
29
To introduce new hydraulic hose on engine
installation.
Series 1, 1A, 1B, 2 and 3
SB 29-50
Aug 1972
-
R
29
Auxiliary system. Possibility of malfunction due
to air in pump supply.
Applicable to HS/DH/BH 125 aircraft Series 1B/R,
3A, 3A/R, 3A/RA, 3B, 3B/RA, 3B/RB, 400A and
400B all variants with Mod.25/1398 embodied
SB 29-54
Sep 1976
3
R
29
To introduce PTFE hoses to replace Dunlop
W40 hoses PTFE hoses replace Dunlop W40
hose introduced on Mod.252955.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 401B, 403B and 600B.
12/24/2008
Page 100 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-55
May 1973
-
O
29
Reservoir vent outlet at fuselage side.
Extension piece added. An extension piece of
light alloy is bonded to the existing vent outlet.
Model DH.125, Series 400A. Model BH.125.
Model HS.125, Series 400B, 401B and 403B.
SB 29-57
Sep 1975
-
O
29
Main accumulator. To achieve satisfactroy
system cycling times if max allowable
component seapage rates are reached during
service.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A(C). Model BH.125, Series
400A and 600A. Model HS.125, Series 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 3BRC,
400B, 403B and 600B.
SB 29-58
Nov 1976
-
R
29
Supect pressure hoses at engine driven
pumps.
Applicable to HS/BH 125 aircraft, Series 403B
(25274 only), and Series 600A and 600B aircraft.
(256030 to 256062 inclusive)
SB 29-59
Jun 1978
1
O
29
Hoses. Introduction of PTFE hoses with type
3000 end fittings. Re-designed end fittings
have been standardised by hose manufacturer.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 29-6
Aug 1965
2
O
29
To introduce American type charging
connections.
Series 1A and 1B
SB 29-60
Oct 1980
1
R
29
Hydraulic power - Flow indicator units - Failure
of bolts attaching inlet pipe connection sleeve
Applicable to HS/DH/BH 125 aircraft with Viper
engines, all Series up to and including Series 600.
SB 29-62
Aug 1978
-
R
29
Main System. Introduction of a stainless steel
pipe assembly in the suction line.
Series 600A, F600B and 700
SB 29-63
Nov 1978
1
R
29
Main system. To relocate pump low pressure
switches and install snubber units to reduce
possibility of switch failure.
Model DH.125, Series 1A with Mod.252606.
Model HS.125, Series 400A with Mod.252550,
600A with Mod.252468, F600B and 700 and all
variants.
SB 29-64
Aug 1978
-
I
29
Main system. Temporary life extension for
Lockheed MK9 engine driven pump
AIR111500.
Applicable to HS/DH/BH 125 aircraft all series up
to and including Series 600A and 600B.
SB 29-65
Jul 1979
1
R
29
Main system. To introduce additional fluid
capacity into the LH pump pressure line.
All Series and variants up to and including 700
with TFE 731 engine installation.
SB 29-67
Apr 1979
-
R
29
Main System. Ripple Suppressor introduced in
pressure line from each engine driven pump.
All Series and all variants up to and including 700
with TFE 731 engine installation (Post
Mod.252691).
SB 29-68
Jul 1979
1
R
29
Engine driven pump-Introduction of pump
65WE01030-2 with steel end cover in lieu of
pump with light alloy cover.
All Series and all variants up to and including 700
with TFE 731 engine installation.
12/24/2008
Page 101 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-69
Sep 1983
1
R
29
Hydraulic power – Main system – Three-port
valve replaces two-port valve and restrictor in
suction line to each engine driven pump
Applicable to all 125 Series aircraft with Garrett
TFE 731-3 and 3R engines up to and including
Series 700A (NA 0248) and 700B (257064)
SB 29-7
Mar 1965
-
R
29
To introduce restriction on forward movement
of emergency hydraulic hoses between hand
pump lever.
Series 1, 1A, 1B and 2
SB 29-70
Jul 1979
-
R
29
Main system. Possible chafing of pipes in rear
equipment bay Applicable to all series with TFE
731 engines Pre Mod.252660.
This bulletin is applicable to all HS 125 aircraft
with Garrett TFE 731-3 engine installation
pre-mod. 25/2660, Series 1A, F-1B, F-1B/S, 3A,
F-3B/RA, 400A, F-400B, 600A, F-600B and 700A
and 700B.
SB 29-71
Jul 1979
-
R
29
Engine driven pump AIR111500. New shaft
seals and duct shields introduced.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants.
SB 29-72
Sep 1979
-
R
29
Flexible hoses. Possible sub standard weld of
engine pump pressure hose end fitting in
engine pod.
Applicable to HS 125 aircraft of Series 1A, F-1B,
F-1B/S, 3A, F-3B, 3A/RA, F-3B/R, 400A, F-400B,
600A, F-600B and 700A and 700B
SB 29-73
Dec 1981
-
R
29
Hydraulic power - Flexible hoses - Life
limitation
Applicable to HS/DH/BH 125 aircraft with Viper
engines of Series 1, 1-521, 1-522, 1A, 1A-522,
1A/S-522, 1B, 1B-522, 1B/R-522, 1B/S-522, 3A,
3A/R, 3A/RA, 3B, 3B/RA, 3B/RC, 400A, 403A(C),
400B, 403B, 600A and 600B
SB 29-74
Jan 1982
-
R
29
Hydraulic power - Main system - To introduce
pressure filter assy 2125H4
Model DH/HS.125, Series 1, 3 and all variants Post Mod.251847. Model HS/BH.125, Series 400,
401, 403, 600 and all variants.
SB 29-75
Oct 1982
1
O
29
Hydraulic power - Main system - Revised
sealing arrangement for sight tubes on main
and emergency tanks
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, 400, 401, 403, 600 and all
variants.
SB 29-76
Jan 1983
-
I
29
Hydraulic power - Hoses - To introduce
hydraulic system hoses by the Aeroquip
Corporation
All BH/DH/HS 125 aircraft up to and including
Series 700.
SB 29-77
Mar 1983
1
R
29
Hydraulic power - Indication - Removal from
service of hydraulic pressure switches with
suspect case welding.
Applicable to HS.125 aircraft with Garrett TFE
731-3 engines of Series 1A, 3A/RA, 400A,
F-400B, 600A, F-600B, 700A and 700B.
SB 29-78
Oct 1983
-
R
29
Hydraulic power - Main system - Non-return
valve introduced at reservoir pressurisation
connection
Applicable to DH/BH/HS/BAe 125 aircraft with
Garrett TFE 731 engines up to and including
700A (NA0343 and 257197), 700B (257205),
800A (258001) and 800B (258002)
12/24/2008
Page 102 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-79
Jul 1984
2
I
29
Hydraulic power - Main system - To introduce
flexible hoses at LH engine driven pump
Applicable to all 125 Series 700 aircraft plus
earlier Series retrofitted with Garrett TFE 731-3 or
-3R engines, post mod.252689.
SB 29-8
Nov 1966
1
I
29
To increase flexibility of hydraulic hoses
between hydraulic pump and connection at pod
fillet.
Series 1, 1A and 1B
SB 29-80
Jun 1986
-
O
29
Hydraulic power - Introduction of time delay to
LP warning circuit
B.A.e 125 Series 800A and 800B aircraft
SB 29-81
Jun 1986
-
R
29
Hydraulic power - Fluid resevoir pressurisation
- Incorrect non-return valve sealing material
Applicable to all DH/BH/HS/B.A.e 125 aircraft,
Post Mod. 252872
SB 29-82
Nov 1987
1
R
29
Hydraulic Power - Introduction of hydraulic tank
pressure gauge
B.A.e. 125 Series 800A and 800B aircraft.
SB 29-83
Dec 1987
-
O
29
Hydraulic Power - To introduce hydraulic tank
pressure gauge at revised location
Series 800A and 800B
SB 29-84
Feb 1989
-
O
29
Hydraulic Power - Stall Ident Stick Pusher Unit
- Simplified Sub-System
Series 800A and 800B
SB 29-85
Dec 1987
-
R
29
Hydraulic Power - Main System - To introduce
finer filter element to suction filter assembly
This mod. is applicable to DH/BH/HS/BAe 125
Series 700A and 700B aircraft which are post
mod.2525002 and Series 800A and 800B aircraft
which are post mod.252902.
SB 29-86
Sep 1988
-
O
29
Hydraulic power - Indicating - Introduction of
time delay to low pressure warning circuit
Series 700 Mod.252975B and 252509 and All
Series up to 600 Mod. 299275B/252475, 252556,
252608 and 252610
SB 29-87
Apr 1990
-
R
29
Hydraulic Power - Thrust Reversers Introduction of provision for accumulator
charging labels
Series 800A (Post Mod.259283C)
SB 29-88
May 1992
-
R
29
Hycraulic Power - Thrust Reverser System Introduction of improved pipe connections
Series 800 Post Mod.259283C
SB 29-89
May 1992
-
M
29
Hydraulic power - Rear fuselage - Introduction
of a charging instruction label for hydraulic
system accumulators
All Series up to and including 800
SB 29-9
Sep 1966
1
O
29
To introduce new hand pump handle for ground
service use.
Series 1, 1A and 1B
SB 29-90
Oct 1992
-
O
29
Hydraulic Power - Introduction of a thrust
reverser hydraulic isolation valve
Series 1000A and 1000B
12/24/2008
Page 103 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 29-91
Sep 1993
-
R
29
Hydraulic Power - Introduction of hydraulic
reservoir labels specifying mineral fluid to
specification, MIL-H-5606 (DEF.STAN.91-48)
only
Series 1000
SB 29-94
Mar 1995
-
R
29
Hydraulic Power - Inspecion of hydraulic
accumulator installation for presence of
accumulator charging instruction label
BAe 125 Series 800A, 800B and Hawker 800
Post Mod.259283E (258218, 258220, 258225,
258230, 258231, 258233, 258235, 258236,
258237, 258238, 258241, 258246, 258248,
258253, 258254, 258255, 258256, 258259)
SB 29-95
Mar 1995
-
M
29
Inspection of hydraulic pipes for possible foul
condition(s).
Applicable to all BAe 125 Series 1000A and
1000B and Hawker 1000 aircraft
SB 29-96
Dec 1995
-
O
29
HYDRAULIC POWER - To Introduce Thursut
Reverser Hydraulic Isolation Valve Part
Number HTE960029-2
BAe 125 Series 1000A, 1000B and Hawker Post
Mod.253351A
SB 29-97
Sep 1996
-
R
29
Hydraulic Power - To introduce hydraulic pump,
part number 42022-05
Hawker 800XP (258279 and 258285)
SB 29-98
Sep 1996
-
R
29
Hydraulic Power - To introduce new non-return
valve
Hawker 800XP (258279 and 258285)
SB 29-A15
Feb 1966
1
R
29
Hydraulic pressure pipe at frame 20A. chafing
against cover.
Series 1, 1A and 1B
SB 29-A24
Sep 1966
1
R
29
Pipe union nut fouling against nose leg
retraction jack ram attachment nut.
Applicable to HS.125 aircraft, all Series
SB A29-92
Aug 1994
1
M
29
Hydraulic Power - Inspection for damage
of/clearance between pipes, adjacent
pipes/components and electrical looms/cables damage caused by chafing and electrical wiring
short
Applicable to Hawker 1000 and BAe 125 Series
1000A and 1000B
12/24/2008
Page 104 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 30
Ice and Rain Protection
SB 30-1
Jan 1965
1
R
30
To introduce a reliable capacitor in Napier ice
detector NF0075/667.
Series 1, 1A and 1B
SB 30-11
Oct 1968
1
R
30
Hot rod ice detector PBE/A/3. To introduce
Teddington Mod.C2036.
Series 1 1A, 1B, 1A/S-522, 1B/S-522, 1B/R-522,
3A, 3B, 3ARA, 3BRA, 400A and 400B
SB 30-13
Nov 1970
1
O
30
Detection. To introduce English Electric
Mod.2836 to ice detector MK3-NF0075/667
(EE SB30-80-1013).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 30-14
Jun 1970
1
I
30
Ice detector. To introduce English Electric
(Napier) Mod.3081 to ice detector Mk3
NF0075/667.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B 3B/RA,
400A and 400B
SB 30-15
Oct 1970
1
R
30
To introduce HSD Mod.No28398 to Restrictor
Valve WGE 150-10 (HSD SB 30-224).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 30-16
Apr 1968
-
O
30
Introduction of improved type washer in filler
neck of TKS de-icing tank.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 30-17
Jan 1969
-
R
30
De-icing system tank. To introduce strainer in
filler neck.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA, 3B/R,
3B/RA, 400A and 400B
SB 30-18
Feb 1969
-
O
30
To introduce Hot Rod ice detector PBE/A/6 in
lieu of PBE/A/3.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522,
1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B
SB 30-19
Jun 1969
-
I
30
To introduce English Electric Mod.3178 to ice
detector NF0075/667 Mk3.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/R-522 3A 3A/R 3A/RA 3B/RA 400A 400B
SB 30-2
Nov 1965
3
O
30
To introduce new TKS de-icing pump for air
frame de-icing.
Series 1, 1A and 1B
SB 30-20
Dec 1969
2
I
30
To introduce British Filters Ltd (TKS) Mod.3980
to de-icing system filter FJ 2670.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 30-21
Jul 1969
-
R
30
To introduce Windscreen de-icing pump M2604
in lieu of and by conversion of M2601
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 3A, 3B, 3A/R, 3A/RA, 400A and 400B
12/24/2008
Page 105 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 30-22
Oct 1970
-
O
30
De-icing tank contents transmitter. To introduce
100 ohm resistor.
Model DH.125, Series 400A. Model HS.125,
Series 400B.
SB 30-23
Jan 1971
-
R
30
De-icing tank contents transmitter. One
instance has occurred of the contents indicator
reading full when the tank was empty.
Model DH.125, Series 400A. Model HS.125,
Series 400B.
SB 30-24
Jun 1972
1
M
30
Windscreen de-icing pump. Part A. Hand pump
operation is unsatisfactory. Part B. Introduces
new seals more compatible with methanol.
Aircraft affected are HS.125 of all series equipped
with windscreen deicing pump M.2604, i.e. post
Mod 252052
SB 30-3
Nov 1964
-
I
30
To introduce anchor bolts for attachment of
windscreen wiper motors.
Series 1 and 1B
SB 30-30
Oct 1973
3
O
30
New TKS de-icing tank and sight glass located
rear face of new cockpit bulkhead Piping and
wiring adjusted to suit.
Model HS.125, Series 1B-522.
SB 30-3007
Jan 2005
-
O
30
Ice and Rain Protection - Wing Anti-Ice
Annunciation and Indication System
Modification
Model 400 Beechjet, Serials RJ-1 thru RJ-65;
Model 400A Beechjet, Serial RK-1 thru RK-353;
Model 400A Hawker 400XP, Serial RK-354.
SB 30-31
Jun 1973
-
R
30
To introduce anti-icing fairing at wing tips. A
two part fibreglass fairing is introduced at each
wing tip.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 30-3154
Apr 1998
-
M
30
Restricted - See Remarks
Hawker 800 U-125A (JASDF) airplanes.
SB 30-3155
Apr 1998
-
M
30
Restricted - See Remarks
Hawker 800 U-125A (JASDF) airplanes.
SB 30-3156
Oct 1998
-
R
30
Ice and Rain Protection - Static Plates - To
introduce heated forward static plates
HS 125 Series 700A aircraft; HS 125 Series 700B
aircraft which are Pre-Mod 252841
SB 30-32
Oct 1974
-
O
30
Introduction of improvements to flexible pipe
runs to reduce the possibility of nylon pipes
pulling out of connectors.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, 400A and
600A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 400B,
401B, 403B and 600B
SB 30-3413
Dec 2000
-
R
30
Ice and Rain Protection - 'B' Windshield Heat
Wiring Change
Hawker 1000
SB 30-3442
Jun 2002
1
R
30
Ice And Rain Protection - Introduction Of A Tks
Hose Replacement
BAe.125 Series 800A airplanes modified by the
Arkansas Modification Center and/or its
predecessors located in Little Rock, AR; Hawker
800XP, Serials 258266, 258277 through 258495,
and 258497 through 258580.NOTE: U-125A
airplanes are excluded from the eff
12/24/2008
Page 106 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 30-3455
Mar 2002
-
O
30
Ice and rain protection - Introduction to an
alternative TKS timer
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522; HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R;
DH.125 Series 3A/RA; HS.125 Series 3B/RA;
HS.125 Series 3B/RB; HS.125 Series 3B/RC;
HS.125 Series F3B; HS.125 Series F3B/RA;
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400B; HS.125 Series 400B/1;
HS.125 Series 401B; HS.125 Series 403A(C);
HS.125 Series 403B; HS.125 Series F400B;
HS.125 Series F403B; BH.125 Series 600A;
HS.125 Series 600A; HS.125 Series 600B;
HS.125 Series 600B/1; HS.125 Series 600B/2;
HS.125 Series 600B/3; HS.125 Series F600B;
HS.125 Series 700A; HS.125 Series 700B;
BAe.125 Series 800A; BAe.125 Series 800A
(C-29A); BAe.125 Series 800A (U-125); BAe.125
Series 800B; Hawker 800; Hawker 800 (U-125A)
Pre-Mod 25E266A; Hawker 800XP (through S/N
258472); BAe.125 Series 1000A; BAe.125 Series
1000B and Hawker 1000.
SB 30-38
Jul 1977
1
R
30
Gables chime unit. To improve reliability a
diode has been introduced in the positive
power supply to protect against spikes.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 30-4
Aug 1965
-
R
30
To introduce a modified anti-icing supply keep
bracket.
Series 1, 1A ,1B and 2
SB 30-40
Apr 1978
-
R
30
TKS De-icing Pump Mounting. Introduction of
revised Mounting Pump Mounting Bracket.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 30-40 - INSP
Dec 1977
-
R
30
TKS pump installation-Inadeqate clearance
between mounting bracket and elevator `G'
weight.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 30-41
Jan 1979
-
O
30
Introduction of replacement British Sonceboz
switch 482/10.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants.
SB 30-42
Nov 1980
2
O
30
Ice and rain protection - Windscreen panels 'A'
- Aircraft wiring revised to utilize maximum
potential servicability of panels
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
12/24/2008
Page 107 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 30-43
Oct 1981
1
O
30
Windscreen electrical de-icing system. To
reduce the interference on cockpit indications
from windshield heat cables.
Model HS.125, 700A and 700B.
SB 30-44
Oct 1980
-
O
30
Ice and rain protection - Improved TKS piping
installation
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants.
SB 30-45
May 1981
-
I
30
Ice and rain protection - Windscreen de-icing To introduce replacement suppressor unit
Model DH/HS/BH.125, Series 1, 3, 400, 401, 403,
600 and all variants.
SB 30-46
Aug 1985
-
R
30
Ice and Rain Protection - Windscreen Panel 'A'
Two-level flight heat
Series 800 Pre Mod.252982 (A/C 258002 to 030)
800A Mod.252982 (A/C 258032 033 035 036)
SB 30-47
Oct 1986
-
O
30
Ice and Rain Protection - Introduction of time
delay to TKS low contents warning
B.Ae.125 Series 800A and 800B. All aircraft up to
and including 258079.
SB 30-48
Jun 1988
2
R
30
Ice and Rain Protection - Windows Windscreen panel `A' is replaced to Lucas
Mod. D8155
Series 800A 800B (A/C 258001 to 085)
SB 30-50
Jan 1989
-
R
30
Ice and Rain Protection - Airframe De-Icing Possible TKS tank chafe
Applicable to B.Ae.125 Series 800 aircraft (8091,
8094, 8097, 8111 and 8113)
SB 30-51
Mar 1990
-
R
30
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 30-52
Sep 1991
-
O
30
Windscreen panels `A' - Introduction of screen
twisted wiring for windscreen heat power and
sense circuitry in a segregated route.
Series 800 Pre Mod.253261A
SB 30-53
Aug 1992
2
I
30
TKS anti-icing. Introduction of a low pressure
warning switch into the TKS fluid system.
Series 700A (257017 and 257201)
SB 30-54
Aug 1992
-
R
30
Ice and Rain Protection - Introduction of 750VA
static inverter with revised internal circuits
Series 1000B Post-Mod.253429B
SB 30-55
Jul 1994
-
R
30
Windscreen p\Panel A - Introduction of a
resistor at the MK.22 thermal controllers
Model BAe.125 Series 800A, 800B, 1000, 1000A
and 1000B. Hawker 800 and 1000.
SB 30-56
Nov 1993
-
R
30
Ice and Rain Protection - Inspection of
windscreen Panel 'A' power cables for chafing
on filter unit mounting brackets
Applicable to all BAe 125 Series 800 pre-Mod.
253261A and to Series 100 pre-Mod. 253335A
SB 30-57
Dec 1994
-
R
30
Windscreen Electrical Anti-ice System
Electrostatic Filters. Introduction of protection
to cable exit point on Mk.4 filter units
BAe 125 Series 800A and 800B and Hawker 800
whcih are Post Mod.253261A. BAe 125 Series
1000A, Series 1000B and Hawker 1000 which are
Post Mod.253335A.
12/24/2008
Page 108 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 30-58
Apr 1994
-
R
30
TKS anti-icing. Introductoin of new low
pressure warning switch
HS 125, Series 700A aircraft Post Mod.25A225A
(257017 and 257201)
SB 30-59
May 1995
2
R
30
Inspection of windscreen panel A and B filter
units for component integrity.
Applicable to all Hawker 800 and BAe 125 Series
800A and 800B aircraft including Major variants
C29A and U125
SB 30-6
Dec 1970
1
R
30
To introduce a different power supply source
for the TKS de-icing pump motor.
Series 1, 1A and 1B
SB 30-60
Oct 1994
-
R
30
Windscreen Panel A - Relocation of Lucas MK4
electrostatic filter units
Hawker 1000 (259045)
SB 30-61
Feb 1995
-
I
30
Airframe ice protection system. Deletion of
wiring with silver plated conductors from the
TKS pump.
BAe 125 Series 800A, 800B, 1000A, 1000B,
Hawker 800 and 1000
SB 30-63
Feb 1995
-
I
30
Restricted - See Remarks
Hawker 800 U-125A (A/C 258247, 258250)
SB 30-64
Feb 1995
-
I
30
Restricted - See Remarks
Hawker 800 U-125A (A/C 258245, 258247,
258250)
SB 30-65
May 1995
-
R
30
Inspection of LH and RH panels 'A' and 'B'
windscreen anti-ice electrical cable looms for
signs of damage or overheating
Applicable to all BAe 125 Series 1000A and
1000B and Hawker 1000 aircraft.
SB 30-66
Jan 1996
-
R
30
Restricted - See Remarks
Hawker 800 U-125A (A/C 258245, 258247,
258250)
SB 30-67
Sep 1995
-
R
30
Ice & Rain Protection - Introduction of 38 Litre
TKS tank of improved design
Hawker 800XP (A/C 258266 8277 and subs)
SB 30-7
Dec 1973
2
I
30
Introduction of distributor panel D623F/DH125
(TKS Mod. 1000).
Series 1, 1A, 1A-522, 1B and 3B- 25015
SB 30-8
Dec 1970
1
O
30
Ice detection. Rotary ice detector NF0075/667
to introduce Napier Mod.1851.
Series 1, 1A, 1A-522 and 1B
12/24/2008
Page 109 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 31
Indicating/Recording Systems
SB 31-1
May 1965
-
M
31
To bring limitation labels and airspeed
indicators with VMO indication into line with
final position errors for static plates.
Series 1A and 1B
SB 31-10
Apr 1968
-
O
31
To introduce power loss indicator type M2179
in lieu of type M2086.
Series 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522 and 1B/R-522
SB 31-12
Oct 1970
1
I
31
Flight data recorder. To introduce a steel dust
cover for flight data recorder.
Series 1B (25080) and 3B (A/C 25015, 062, 069,
116, 128, 140, 169)
SB 31-13
Dec 1968
1
I
31
Flight data recorder. Introducing Pt. A - F542 Pt
.No 10019/1 in lieu of 10019. Pt. B - FB542 Pt .
No 100550/1 in lieu of 100550.
Series 1-009 (CAFU), 1B-080 (Anglo American),
3B-015, 062, 069, 113, 116, 117, 120, 128, 140.
SB 31-14D
May 1969
1
R
31
General to introduce counter pointer altimeter
system.
Aircraft 25089
SB 31-14E
May 1969
1
R
31
General to introduce counter pointer altimeter
system.
Aircraft Nos.25085 and 25092
SB 31-14F
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft No.25008
SB 31-14G
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft 25003
SB 31-14J
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft No.25125, 25127 and 25128
SB 31-14K
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft No.25125, 25127 and 25128
SB 31-14L
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft No.25125, 25127 and 25128
SB 31-14M
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft 25145
SB 31-14N
Jan 1969
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft No. 25005
SB 31-14P
Jan 1969
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Aircraft 25010
12/24/2008
Page 110 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 31-14Q
May 1969
1
R
31
Instrument panels. Introducing counter pointer
altimeters.
A/C 25106
SB 31-14U
Aug 1970
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 3B.
SB 31-14V
Sep 1970
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 3B
SB 31-14W
Sep 1970
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 3B
SB 31-14X
Sep 1970
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 1
SB 31-14Y
Sep 1969
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 1
SB 31-14Z
Apr 1974
-
R
31
Instrument panels. Introducing counter pointer
altimeters.
Model HS.125, Series 1
SB 31-15
Oct 1970
1
I
31
To introduce United Control Mod to Flight Data
Recorder magazine 101023 or 100170 for Pt. A
- FB 542 Pt. B - F542.
Series 1B (A/C 25/080), 3B (25/015, 062, 069,
116, 128) and 3B/RA (25/140, 169)
SB 31-16
Oct 1970
1
I
31
To introduce improved Altitude and Airspeed
Sensor on United Control Flight Data Recorder
10019 type F 542 - S/Nos 2500 & subs.
Series 1B-522 (25/080), 3B (25/015, 062, 069,
116, 128) and 3B/RA (25/140, 169)
SB 31-17
Oct 1970
1
I
31
To introduce replacement of Altitude and
Airspeed Sensor for Flight Data Recorder Pt.A
- F542 Pt.B - FB542.
Series 1B-522 (25/080), 3B (25/015, 062, 069,
116, 128) and 3B/RA (25/140, 169)
SB 31-18
May 1969
-
I
31
To introduce improved Pitch Servo Assembly
cam for Flight Data Recorder FB542.
Series 3B (Aircraft 25015, 25 062, 25069)
SB 31-19 - 257295H
May 1970
-
I
31
Instruments - To Introduce Penny & Giles
Mod.9 to Airborne Data Acquisition System
Drive Unite 206001-1004
Model HS.125, Series 1 and 3BRA
SB 31-19 - 257295J
May 1970
-
I
31
Instruments - To Introduce Penny & Giles
Mod.9 to Airborne Data Acquisition System
Drive Unite 206001-1004
Model HS.125, Series 1 and 3BRA
SB 31-19 - 257295K
May 1970
-
I
31
Instruments - To Introduce Penny & Giles
Mod.9 to Airborne Data Acquisition System
Drive Unite 206001-1004
Model HS.125, Series 1 and 3BRA
12/24/2008
Page 111 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 31-2
Mar 1965
-
O
31
To introduce Smiths Mod.01 on vibrator unit
KVC - 0102.
Series 1, 1A, 1B and 2
SB 31-20
Jul 1970
-
I
31
SADAS Drive Unit. Introducing new gear box.
206001-1004.
Model HS.125, Series 1 and 3BRA
SB 31-21
Oct 1970
-
I
31
Flight Data Recorders. Removal of Magazine
protector block.
Model HS.125, Series 1B-522, 3B and 3B/RA
SB 31-22
Oct 1970
-
I
31
Flight Data Recorders. Introducing new Timer
Assembly.
Model HS.125, Series 1B-522, 3B and 3B/RA
SB 31-23
Oct 1970
-
I
31
Flight Data Recorders. Additional capacator in
Trip and Date Encoder.
Model HS.125, Series 1B-522, 3B and 3B/RA
SB 31-24
Oct 1970
-
I
31
Flight Data Recorders. Introducing replacement
switch actuator.
Model HS.125, Series 1B-522, 3B and 3B/RA
SB 31-25
Oct 1970
-
I
31
Flight Data Recorders. Introducing a
replacement front door latch.
Model HS.125, Series 1B/522, 3B and 3B/RA
SB 31-26
Jun 1971
-
O
31
Auto-flight. Reduces light output from
annunciator lights at dimmed level.
Model HS.125, Series 400B
SB 31-27
Sep 1971
-
I
31
Flight Data Recorder F542 and FB542 Trip and
Data Encoder 101012. Addition of connector
sealing gasket (UDCSB31-20-6).
Model HS.125, Series 3B and 3B/RA
SB 31-3030
Jun 2001
1
O
31
Indicating/Recording Systems - Introduction of
transient suppressors to relay coils
Hawker 800XP
SB 31-3055
Feb 1999
1
M
31
Instruments - Removal of the fuel flow electrical
signal to the Fairchild F1000 flight data
recorder (FDR)
BAe 125 Series 800A, Hawker 800 and Hawker
800XP
SB 31-32
Mar 1974
-
R
31
Cockpit. To introduce modified restraining cord
attachment for panel CG.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 31-3312
May 1999
-
R
31
Indicating/Recording Systems - Introduction of
an improved cockpit voice recorder
(CVR)/Flight Data Recorder (FDR) controller
BAe 125 Series 700B
SB 31-3351
Nov 1999
-
O
31
Restricted - See Remarks
Hawker 800 (U-125A).
SB 31-3385
Feb 2002
1
R
31
Installation of transient suppression assemblies
across APU relays
BAe.125 Series 800A/B, Hawker 800, Hawker
800XP, Serials 258001 through 258474, equipped
with Garrett GTCP36-150(W) APU.
12/24/2008
Page 112 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 31-36
Jan 1984
-
R
31
Instrument Panels. To introduce two additional
warning lights to the annunciator block on the
LH side of the centre instrument panel.
Model BH/DH/125 Series 400A with Mod.
252550. Model HS.125, Series F.400B
SB 31-3622
Mar 2003
-
R
31
INDICATING/RECORDING SYSTEMS Meggitt MK1 Secondary Flight Display (SFD)
Replacement
Hawker 800XP, Serial Numbers 258475, 258476,
258478 through 258492, 258494 through 258500,
258502 through 258511 and 258514 through
258519, equipped with Meggitt MK1 Secondary
Flight Display (SFD) P/N 33508-00-01.
SB 31-37
Feb 1985
-
O
31
To introduce passenger information display
system.
B.Ae.125 Series 700B Aircraft 257215.
SB 31-3702
Dec 2004
-
O
31
Indicating/Recording - Installation of Turbine
Vibration Indication System
Hawker 800XP, Serial 258682.
SB 31-3703
Apr 2005
1
O
31
Indicating/Recording - Installation of aural
warning kit for flap, aileron and elevator
position
Hawker 800XP, Serials 258541, 258556, 258567
and after equipped with Collins Proline 21
Avionics.
SB 31-3756
Nov 2008
-
O
31
Indicating/Recording Systems - Time Delay
Spares Replacement
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522; HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R;
DH.125 Series 3A/RA; HS.125 Series 3B/RA;
HS.125 Series 3B/RB; HS.125 Series 3B/RC;
HS.125 Series F3B; HS.125 Series F3B/RA;
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400A; HS.125 Series 400B;
HS.125 Series 400B/1; HS.125 Series F400B;
BH.125 Series 600A; HS.125 Series 600A;
HS.125 Series 600B; HS.125 Series 600B/1;
HS.125 Series 600B/2; HS.125 Series 600B/3;
HS.125 Series F600B; HS.125 Series 700A;
HS.125 Series 700B; BAe.125 Series 800A;
BAe.125 Series 800A (C-29A); BAe.125 Series
800A (U-125); BAe.125 Series 800B; Hawker
800; Hawker 800 (U-125A); Hawker 800XP and
Hawker 850XP.
SB 31-38
Oct 1988
1
O
31
To introduce engine instrument cooling.
BAe 125 Series 700A and 700B which are Pre
Mod. No.258791 Part B.
SB 31-39
Mar 1987
-
M
31
Instruments - Recorders - To introduce Flight
Data Recorder Fault Annunciation
BAe 125 Series 800B
12/24/2008
Page 113 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 31-4
Mar 1965
1
R
31
To introduce special airspeed indicator and jet
pipe temperature indicator to cater for Viper
522 engines and increased performance.
Series 1B (Aircraft 25015 only)
SB 31-40
Sep 1988
-
O
31
To introduce engine instrument cooling. To
reduce the operting temperature of the engine
instruments on the centre instrument panel.
Series 700 (Post Mod. 258791)
SB 31-41
Mar 1991
2
I
31
Clocks. To introduce Revue Thommen
B18-956 series clocks.
Series 600B and 700B
SB 31-42
Oct 1992
-
R
31
Indicating/Recording systems - Exhaust - To
inhibit nuisance MWS configuration warning
annunication during selecton of reverse
Series 1000 Pre Mod.253485A
SB 31-43
Mar 1993
-
O
31
Indicating/Recording - Multi-Function Display Introducton of enhanced standard of checklist
module in MFD symbol generator
Series 1000B (259005, 259007, 259008, 259010,
259012 and 259018)
SB 31-44
Jan 1993
-
M
31
Indicating/Recording Systems - Roof Panel
'CG' - Introduction of an amber screen at the
emergency contactor not closed indicator.
Series 1000A and 1000B
SB 31-47
Apr 1994
-
O
31
Indicating/Recording - Multi-function Display Introduction of enhanced standard of checklist
module in the MDF symbol generator
BAe Series 1000A and 1000B and Hawker 1000.
SB 31-48
Apr 1994
-
O
31
Multi-function Display. Introduction of Shortfield
performance checklist module in the MDF
symbol generator
BAe Series 1000A and 1000B and Hawker 1000
SB 31-49
Jun 1994
-
O
31
Indicating/Recording Systems - To introduce
replacement flap position transmitter
BAe 125 Series 800B
SB 31-5
Jan 1966
-
R
31
Required placards. To introduce A/C limitations
labels with revised auto pilot speeds.
Series 1, 1A and 1B
SB 31-50
Oct 1994
-
M
31
Instruments - Indicating/Recording Systems To introduce data acquisition and recorder unit
type PV1584N1
BAe U-125 Series 800A (258215, 258227 and
258242)
SB 31-51
Oct 1994
-
I
31
To introduce data acquisition and recorder unit
type PV1584N1.
BAe 125 Series 1000B (259007, 259010, 259016,
259018, 259021, 259022, 259025, 259026,
259028, 259029, 259030 and 259032.)
SB 31-52
Oct 1994
-
M
31
Instruments - Indicating/Recording Systems To introduce data acquisition and recorder unit
type PV1584N1
BAe 125 Series 800B (258182 and 258197)
12/24/2008
Page 114 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 31-53
Oct 1994
-
M
31
Instruments - Indicating/Recording Systems To introduce data acquisition and recorder unit
type PV1584N1
BAe 125 Series 800B (258211, 258222 and
258224)
SB 31-54
Dec 1994
-
O
31
To introduce four extra parrameters (roll
attitude, flap, airbrake and each engine thrust)
to teh existing flight data recorder installation.
HS 125 series 700 (257172)
SB 31-55
Apr 1995
-
R
31
Restricted - See Remarks
Hawker 800 U-125A (A/C 258245, 258247,
258250)
SB 31-57
Jul 1995
-
R
31
Restricted - See Remarks
Hawker 800 U-125A (A/C 258245, 258247,
258250)
SB 31-6
Mar 1966
-
R
31
Panel Installation flight compartment. To
introduce special fuel flow indicator and JPT
indicator for Viper 522 engines.
Series 1A
SB 31-60
Nov 1998
1
O
31
Indicating/Recording Systems - Introduction of
fuel contents indicators and fuel flow/used
indicators calibrated in metric units
BAe 125 Series 800B and Hawker 800 post Mod.
253149C. Hawker 800XP
SB 31-61
Oct 1996
-
R
31
Flight data recorder. Revised roll attitude
channel wiring.
HS 125 Series 700 (257172)
SB 31-7
Sep 1966
-
R
31
Panel installation flight compartment. To
introduce revised JPT indicator top temp
controller and associated limitations labels.
Series 1A, 1B, 3, 3A and 3B
SB 31-9
Dec 1967
-
O
31
To introduce Smiths Mod.02 to instrument
Vibrator units KVC0101.
Series 1, 1A, 1B, 3, 3A, 3A/R, 3B and 3B/R
12/24/2008
Page 115 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 32
Landing Gear
BJ-CSL-1014-RK-502
Jun 2007
M
32
Landing Gear - Nose Landing Gear (NLG) and
Main Landing Gear
Hawker Beechcraft Corporation Model 400A
(Hawker 400XP), Serial RK-502
SB 32-1
Jan 1971
2
R
32
To introduce Mods M162 & M161 to Dunlop
wheels AH51913 & AH52075.
Series 1 and 1A (25/013 014)
SB 32-10
Jul 1965
2
O
32
Installation of chined tyre.
Series 1, 1A and 1B
SB 32-100
Oct 1970
1
O
32
Brakes. To introduce Dunlop Mod.M791 to
brake master cylinders Pt. A - ACM22746 , Pt.
B - ACM26274.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-101
Sep 1968
-
R
32
Main. To introduce a machined washer under
retaining nut at rod end of strut assembly on
main gear assembly.
Series 3A/R, 3B/R, 3A/RA and 3B/RA
SB 32-101 - INSP
Jul 1968
-
R
32
Main gear fairings. Insecurity of bearing within
fairing strut eye-end.
Series 3A/R, 3B/R, 3A/RA and 3B/RA
SB 32-102
May 1969
-
O
32
Hydraulic power. To increase clearance
between main wheel and coupling in RH
emergency wheel brake pipe line.
Series 3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 32-102 - INSP
Jul 1968
-
R
32
Wheel brake-pipe installation in main gear bay.
Fouling against main wheel tyre.
Series 3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 32-104
Oct 1970
2
I
32
Main gear and doors. To introduce a slipper
ring on the land of the sliding piston in the main
gear oleo.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-105
Sep 1970
1
I
32
Wheels and brakes.To introduce Dunlop
Mod.M 763 to Maxaret Units - Pt.A - AC61480.
Pt.B - AC 61482.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-106
Sep 1968
-
O
32
Improved method of hinging main gear door
jack fittings
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 3A and 3B
SB 32-107
Sep 1968
-
O
32
Main gear and doors. To improve the
attachment of the main undercarriage door jack
fittings.
Series 3A/R, 3A/RA, 3B/R and 3B/RA
12/24/2008
Page 116 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-108
May 1972
4
R
32
Main gear and fairings. Introducing greaser and
channel section bearing races at needle rollers
on U/C sidestay and fairing strut.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B/522, 1B/S-522, 1B/R-5222, 3A, 3B, 3A/R,
3B/R, 3A/RA, 3B/RA, 400A and 400B
SB 32-109
Dec 1968
1
R
32
Main leg upper casing and trunnion assy.
Insecurity of rear trunnion retaining nut.
Applicable to H.S. 125 Aircraft, all Series
SB 32-110
Dec 1968
-
I
32
Main gear. To improve mechanical indicator
system.
Series 1, 1A, 1A/522,1A/S-523, 1B, 1B/522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B/RA,
400A and 400B
SB 32-111
Jan 1969
-
O
32
To introduce Lockheed Mod.5754 to main gear
jacks.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-112
Jan 1969
-
O
32
Main gear & fairings. To ensure positive fit of
rear trunnion washer tongues in slots of rear
pivot shaft main leg casing.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-113
Jan 1969
-
O
32
To introduce Lockheed Mod.5787 - SB 32-106
to main gearjacks.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B, 3B/R,
3B/RA, 400A and 400B
SB 32-114
Jan 1969
-
I
32
To introduce Dunlop Mod. M 728 to modulator
units Pt.A - ACM 22740 Pt.B - ACM 22742
(Dunlop SB 32-525).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-115
Mar 1969
-
R
32
Wheels & brakes. To introduce lengthened and
counter-bored main wheel retaining nut.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522,
1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B
SB 32-115 - INSP
May 1969
1
R
32
Main wheel assembly. Excessive end float of
wheel on the axle.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522,
1B/R-522, 3A, 3B, 3A/R, 3A/RA, 3B/RA, 400A
and 400B
SB 32-116
Dec 1970
-
O
32
Brakes. To introduce rubber plugs to the twin
modulators.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-117
May 1969
-
R
32
Main gear mechanical indicating system.
Obstruction of indicator movement.
Applicable to H.S. 125, aircraft Series 1B/R, 3A/R,
3A/RA, 3B/R, 3B/RA, 400A and 400B
SB 32-118
Nov 1971
1
R
32
To ensure clearance between main gear
sequence valve operating rod and shackle.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
SB 32-119
Jun 1969
-
O
32
To introduce improved hinge fittings on leg
fairings.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
12/24/2008
Page 117 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-121
Apr 1970
1
R
32
Main gear. To introduce new Dunlop brakes AH
52430.
Mmodel H.S.125, Series 1
SB 32-122
Mar 1972
2
R
32
Nose Gear and Doors. To introduce drag stay
upper pivot pin with increased radius at base of
locating lugs.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-123
Sep 1971
2
R
32
Main gear. To introduce eccentric bush in
retraction Jack pivot.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-124
Dec 1970
-
I
32
To introduce improved nose leg torque link
pick-up.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B
SB 32-125
Aug 1970
-
O
32
To introduce new bearing into main gear door
jack body pivot.
Model DH 125, Series 3AR, 3ARA and 400A.
Model HS 125, Series 1B/R-522, 3BRA and
400B.
SB 32-127
Sep 1970
1
O
32
To provide adjustment for hinge fairing on main
leg fairing.
Model D.H.125, Series 3AR, 3ARA and 400A.
Model H.S. 125, Series 1B/R-522, 3BRA and
400B.
SB 32-128
Nov 1970
-
R
32
Mainwheels. To introduce Dunlop Mod.M938.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125, Series 1,
1B, 1-521, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B. Model HS 125, Series 1.
SB 32-129
Jul 1971
1
R
32
To introduce further improvements to resist
corrosion.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-13
Dec 1970
1
I
32
To introduce Dunlop Mod.M275 on shuttle
valves AH81963 & AH81964 (Dunlop SB
29-32).
Series 1, 1A, 1B and 1A-522
SB 32-130
Aug 1970
-
I
32
Maxaret Units. To introduce new 'O' rings.
All Series prior to 600
SB 32-131
Jun 1970
1
R
32
Sequence and Reversing Valve Operating
Linkage. Omission of retained bolt circlips.
Applicable to H.S. 125 aircraft Series 1B/R-522,
3A/R, 3A/RA, 3B/RA, 400A and 400B
12/24/2008
Page 118 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-132
Apr 1973
2
R
32
Nose Gear. Drag stay spring strut. Insufficient
extended length causing fatigue failure of
anchorage pin.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH 125, 400A.
Model HS 125, Series 1, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA and 400B
SB 32-132 - INSP
Apr 1973
-
R
32
Nose Gear. To increase extended length of
drag stay strut.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH 125, 400A.
Model HS 125, Series 1, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA and 400B
SB 32-133
Nov 1970
-
I
32
Brake Units. Introducing improved sealing of
retraction pin in cylinder block.
Model HS.125, Series 1
SB 32-135
Jul 1970
-
R
32
Landing Gear - Main gear fairing assembly
(L.H. and R.H.) - Cracks in internal structure
Applicable to H.S.125, aircraft Series 1, 1A, 1B, 3,
3A and 3B pre-Mod. 25/1726
SB 32-136
Dec 1970
-
I
32
Main gear. Maxaret installation AH51920.
Improved moulded rubber assembly on flexible
drive (Dunlop Mod.M921 SB32-647).
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B
SB 32-137
Dec 1970
-
R
32
Maxaret Units AC61480 And AC61482. To
introduce round section in lieu of square
section circlip and chamfered spring stop.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B and 400B
SB 32-138
Mar 1971
-
R
32
Main gear sidestay. Grease spigot and nipple
added to lower arm and grease hole and flats
in journal.
Model DH.125, 1A, 1A-522, 1A/S-522, 3A, 3AR,
3ARA and 400A. Model BH.125, Series 400A.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B
SB 32-138 - INSP
May 1972
-
R
32
Landing Gear - Main Gear Sidestay Assembly Possibility of undrilled spigots supplied in
modification kits or as replacement items
Model DH.125, 1A, 1A-522, 1A/S-522, 3A, 3AR,
3ARA and 400A. Model BH.125, Series 400A.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B
SB 32-139
Aug 1971
-
O
32
Wheel Brake Units AH52207 and AH52430.
Introduction of slush guards AHM6969 and
AHM6970 (Dunlop Mod.M721 SB32-588 Rev
2).
Aircraft affected are ALL Series except Series 1
pre-mod 251189.
SB 32-14
May 1965
1
I
32
To introduce improved torque link assembly on
main & nose gear legs.
Series 1, 1A and 1B
12/24/2008
Page 119 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-140
Nov 1971
-
I
32
Tyres. To introduce Nosewheel tyre DR6384T.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-141
Jan 1972
1
R
32
Nose Wheel Steering. To add restrictor valve
into nose wheel steering ram return line.
Model DH.125, Series 1A, 1A-522, 1/A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-142
Feb 1973
-
O
32
Hinge Fairing At Main Leg Fairing. New hinge
fairing of increased thickness (18 swg) secured
by seven bolts instead of five.
Model D.H.125, Series 3AR, 3ARA and 400A.
Model B.H.125, Series 400A. Model H.S.125,
Series 1B/R-522, 3BRA, 400B, 401B and 403B
SB 32-143
Sep 1972
-
R
32
Nose Leg Assy. Introduction of distance tube
between drag stay pick-up attachment lugs on
nose leg casing.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3BRA and 400B
SB 32-143 - INSP
Mar 1972
-
R
32
Nose Leg Drag Stay Pick-up Fitting. Possible
loose bushes and cracks.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3BRA and 400B
SB 32-144
Nov 1983
1
R
32
Landing gear - Main gear retraction jack pivot Improved eccentric bush
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-144 - INSP
Mar 1972
-
R
32
Main gear jack pivot assemblies. Eccentric
bush rotating in housing.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 32-145
Aug 1976
2
O
32
Warning Horn System. Introduction of speed
sensitive switch.
Model BH 125, Series 400A. Model HS 125,
Series 400B.
SB 32-148
Nov 1973
1
R
32
Main leg rear trunion assembly. Washer lock
wire lug fouling during gear retraction
extension.
Applicable to HS/DH/BH 125 aircraft, Series
1A/R, 1B/R, 3A/R, 3B/R, 3A/RA, 3B/RA, 400A,
400B and variants, 600A and 600B
12/24/2008
Page 120 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-149
Jan 1974
-
O
32
Main gear electrical indicating. Introduction of a
suppression diode across lever lock solenoid.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, 400A and
600A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 400B,
401B and 403B and 600B
SB 32-15
Apr 1965
-
O
32
To introduce improvements to attachment &
adjustment of u/c selector lever assembly.
Series 1
SB 32-150
Apr 1974
-
R
32
Main gear doors. Incorrect assy of guide bar.
Applicable to HS/DH/BH 125 aircraft, series 1B/R,
3A/R, 3B/AR, 400A, 400B, 600A, 600B and all
variants.
SB 32-153
Nov 1974
-
O
32
Main gear leg fairing operating strut.
Model DH 125, Series 1A, 1A-522, 1A/S-522 and
3A. Model HS, Series 1, 1-521, 1B, 1B-522,
1B/S-522 and 3B
SB 32-16
Dec 1970
1
R
32
Extension & Retraction. Lockheed jacks
AIR45402 & 45403. To introduce Lockheed
Mod.5487.
Series 1, 1A, 1A-522, 1B and 3B- 25015 only.
SB 32-161
Apr 1975
-
R
32
Main Leg Forward Attachment. Displacement
of Roller Bearing in trunnion.
Applicable to HS/DH/BH 125 aircraft, all series up
to and including 600A and 600B
SB 32-162
May 1976
1
R
32
Nose Gear. To reduce the possibility of shimmy
an inertia weight is strapped to the upper
torque link pick-up sleeve.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A and 400A (C). Model BH.125,
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA,
3BRC, 400B, 401B, 403B and 600B
SB 32-164
Oct 1975
-
R
32
To introduce modified main gear mechanical
indicators
All DH/BH/HS 125 Series 1 through 600, including
all variants
SB 32-165
Nov 1975
-
O
32
Main Wheel Door Sequence Mechanism. A
new steel shackle with increased lug sizes &
bushes replaces existing shackle.
Series 1B/R-522, 3A/R 3A/RA 3B/RA 3B/RC
400A, 400A(C), 400B, 403B, 600A, 600B
SB 32-166
Jan 1976
-
M
32
Dunlop brake control valve. Failure of knife
edges.
Applicable to HS/DH/BH 125 aircraft, all series.
SB 32-167
Jan 1976
-
M
32
Dunlop emergency brake reducing valve.
Failure of knife edges.
Applicable to HS/DH/BH 125 aircraft, all series.
SB 32-17
Sep 1969
1
I
32
To introduce new Dunlop wheel AH 52206.
Series 1, 1A, 1B and 2
12/24/2008
Page 121 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-174
Jun 1980
4
R
32
Nose wheel steering. Steel pivot links replace
light alloy thus reducing the possibility of
cracking.
Applicable Model DH 125, Series 1A, 1A-522,
1A/S-522, 3A, 3AR, 3ARA, 400A and 403A (C).
Model BH 125, Series 400A and 600A. Model HS
125, Series 1, 1-521, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA, 3BRC, 400B and 403B
SB 32-174 - INSP
Jun 1976
-
R
32
Nose wheel steering. Fracture of pivot link
assembly.
Applicable Model DH 125, Series 1A, 1A-522,
1A/S-522, 3A, 3AR, 3ARA, 400A and 403A (C).
Model BH 125, Series 400A and 600A. Model HS
125, Series 1, 1-521, 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA, 3BRC, 400B and 403B
SB 32-175
Jul 1976
-
I
32
Warning horn circuit. Erie capacitor Pt.number
5910-99-011-5572 replaces Hunt's capacitor
WA19 no longer available.
All Series prior to 700
SB 32-176
Jul 1978
2
R
32
Main gear. Aft trunnion nut. To introduce an
improved method of locking. Existing washer
can be modified.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 32-180
Apr 1981
2
I
32
Landing gear – Indication – To introduce 'Out of
Down' position warning for landing gear
selection lever
All Series up to and including Series 600 (and A/C
257001)
SB 32-181
Apr 1977
-
O
32
Main gear doors. To provide positive closure on
ground (with hydraulic power off).
Model BH/HS.125, Series 3AR, 3ARA, 400A and
403A (C). Model BH.125, Series 400A and 600A.
Model HS.125, Series 600A. Model HS.125,
Series 1B/R-522, 3BRA, 3BRC, 400B, 403B and
600B
SB 32-182
Jul 1977
-
R
32
Nosewheel steering pivot links. Incorrect
fitment of one steel link and one alloy link.
Applicable to HS/DH/BH 125 aircraft, all series
SB 32-183
Nov 1977
-
R
32
Main gear doors. Possible incorrect attachment
of jack to door.
Applicable to HS/DH/BH 125 aircraft Series
1B/R-522, 3AR, 3ARA, 3BRA, 3BRB and 3BRC,
and all variants of Series 400, 600 and 700.
SB 32-184
Feb 1992
5
M
32
Landing gear - Nose leg drag stay assembly Cracking of bridge casting
Applicable to BS/DH/BH 125 aircraft, all Series
pre mod. 253003A
SB 32-185
Feb 1979
-
R
32
Indicator. Increased brightness of gear position
indicator lights when dimmed on panel "RY".
Series 700 and all variants
SB 32-186
Jul 1979
-
R
32
Landing Gear - Main gear and doors - Possible
seizure of door up-lock spring strut
This bulletin is applicable to all HS/DH/BH 125
aircraft post mod. 255640, Series 1B/R-522,
3A/R, 3A/RA, 3B/RA, 3B/RC, F-3B/R, 400A,
400B, 403A (C), 403B, 600A, 600B and F-600B.
12/24/2008
Page 122 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-187
Nov 1979
-
R
32
Landing Gear - Main gear doors - Possible
incorrect assembly of guide bar
Applicable to HS/DH/BH 125 aircraft post mod.
255640, Series 1B/R-522, 3A/R, 3A/RA, 3B/RA,
3B/RC, F-3B/R, 400A, 400B, 403A(C), 403B,
F-400B, 600A, 600B, F-600B, 700A and 700B.
SB 32-188
Jun 1980
-
M
32
Wheels and brakes. Emergency brake
pressure line adaptor incorrectly drilled.
Applicable to HS 125 aircraft Series 700 up to and
including constructors number 257093/NA0266.
SB 32-189
Sep 1980
1
R
32
Landing gear - Nosewheel steering Introduction of improved bushes to steering
links
Applicable to HS/DH/BH 125 aircraft with a nose
gear assembly pre-mod. 251909 and post mod.
252496 Part A, Series 1, 1A, 1A-522, 1A/S-522,
1B, 1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R,
3A/RA, 3B, 3B/RA, 3B/RC, 400A, 403A(C) and
400B
SB 32-19
May 1965
-
R
32
To introduce retention of pip-pin to disconnect
pin on nose landing gear.
Series 1, 1A, 1B and 2
SB 32-190
Aug 1981
-
M
32
Landing gear - Main gear - Possible failure to
lower
Applicable to HS/DH/BH 125 aircraft all Series up
to and including Series 700 without mod. 252837.
SB 32-191
Nov 1982
1
I
32
Landing gear - Nose gear - Introduction of an
inertia weight onto the axle barrel
This modification is applicable to all Series
aircraft.
SB 32-192
Jun 1984
2
O
32
Main gear doors. To introduce new jack
attachment fitting.
Model DH/HS.125, Series 3 and all variants.
Model HS/BH.125, Series 400, 301, 403, 600 and
all variants. Model HS/B.Ae.125, Series 700 and
all variants.
SB 32-193
Mar 1984
2
M
32
Landing gear - Wheels and brakes Replacement of knife edges of unknown life on
brake control valve AC61520
Applicable to HS/DH/BH 125 aircraft all Series up
to and including Series 700A and 700B
SB 32-194
Aug 1983
-
I
32
Landing gear – To introduce improved sealing
rings in main gear wheels – Part A: Introduces
Dunlop Mod M10399 – Part B: Introduces
Dunlop Mod M10332
Models HS/BH/DH.125 all series up to and
including 400, 600 and 700.
SB 32-195
Jun 1985
-
O
32
To facilitate rigging of main gear downlock
microswitches.
Series 700A and 700B
SB 32-198
Nov 1983
-
R
32
Main gear. To revise rigging of the main gear.
HS.125, Series 700 aircraft withMod. 252756 Part
A.
SB 32-199
Feb 1984
-
R
32
Landing gear - Extension and retraction Cracking of main gear jack cylinder head
attachment lugs
Applicable to all HS/DH/BH 125 aircraft up to and
including Series 700
12/24/2008
Page 123 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-2
Nov 1964
-
I
32
To introduce improved main gear oleo plunger
tube.
Series 1 and 1B
SB 32-20
Jul 1965
-
O
32
To introduce new wheel retaining nut Pt. No
25UM795.
Series 1, 1A, 1B and 3
SB 32-200
Jul 1984
1
M
32
Landing gear - Main gear doors - Cracking of
jack attachment bracket and adjacent structure
Applicable to HS/DH/BH 125 aircraft post mod.
255640, Series 1B/R-522, 3A/R, 3A/RA, 3B/RA,
3B/RC, F-3B/RA, 400A, 400B, 403A(C), 403B,
F-400B, 600A, 600B, F-600B, 700A and 700B
SB 32-201
Jun 1984
-
M
32
Landing gear - Main wheels - Cracks at wheel
flange
Applicable to all HS/DH/BH aircraft up to and
including Series 700.
SB 32-202
Mar 1986
3
O
32
Landing gear - Wheels and brakes Introduction of pressure check facility for wheel
brake pressure systems
All Series up to and including Series
700A-NA0343, Series 700B-257205
SB 32-204
Jun 1985
-
O
32
Landing gear - Emergency brake reducing
valve introducing an operating cable of larger
diameter
All Series HS/DH/BH/B.Ae.125 Aircraft up to and
including 800A Aircraft 258060 and 800B Aircraft
258058
SB 32-205
Dec 1985
-
R
32
Landing gear - Improved quick release strut for
nosegear doors
All B.Ae.125 Series 800A and 800B aircraft up to
and including aircraft 258040.
SB 32-206
Aug 1985
-
I
32
Landing gear - Replacement warning horn
All Series HS/DH/BH/B.Ae 125 Aircraft up to and
including 800A Aircraft 258039 and 800B Aircraft
258037.
SB 32-207
Oct 1985
-
R
32
Landing gear - Main landing gear - Possible
damage to tyre side walls
Applicable to all HS/DH/BH/BAe 125 aircraft post
long range Mod.255640 A and B.
SB 32-208
Dec 1985
-
R
32
Fuselage - Tail bumper - To introduce revised
rear jacking point.
B.Ae.125 Series 800A and 800B aircraft up to and
including Aircraft 258047.
SB 32-209
Mar 1986
-
R
32
Landing Gear - MK.3 Brake Control Valve
AC67352 - Filter deleted from exhaust
connection
Model HS.125, Series 700A and 700B. Model
BAe 125, Series 800A and 800B.
SB 32-21
Jul 1965
-
O
32
To introduce an increased recess dia in
sidestay ground lock sockets of main gear.
Series 1, 1A, 1B and 2
SB 32-210
Jun 1986
1
R
32
Landing Gear - Nosegear door quick release
strut - Improved position annunciation
All B.Ae.125, Series 800A and 800B aircraft
embodying Mod.253030.
SB 32-211
Apr 1986
-
R
32
Landing Gear - Nose gear door pivot brackets Lightening holes covered
B.Ae.125 Series 800A and 800B.
12/24/2008
Page 124 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-212
Aug 1986
1
O
32
Landing Gear - To introduce a combined
nosegear steering/towing pin
B.Ae.125 Series 800A and 800B
SB 32-213
Jul 1986
-
O
32
Landing gear - Brake pressure switches
protection of venting ports
All Series HS/DH/BAe.125 Aircraft up to and
including 800 Series Aircraft 258071.
SB 32-214
Jun 1990
1
O
32
Landing Gear - Nose - Introduction of a nose
wheel spin brake that operates when the
landing gear is retracted
Series 800A and 800B
SB 32-215
May 1989
3
R
32
Landing Gear - To introduce warning horn
inhibit revised circuit
Series 800A and 800B
SB 32-216
Mar 1988
1
M
32
Landing gear - Main landing gear sidestay
upper arm - Introduction of ultimate life
Applicable to all BAe/HS/DH/BH 125 aircraft
SB 32-217
Feb 1988
-
M
32
Landing gear - Nose gear pivot pin - Crack test
Appplicable to all HS/DH/BH/BAe 125 aircraft
SB 32-218
Jul 1988
-
M
32
Landing gear - Cracking of main gear door
forward hinge fitting
Applicable to al DH/BH/HS 125 aircraft post
mod.255640 which have main gear door forward
hinge fittings that have exceeded 600 landings.
SB 32-219
Oct 1987
-
R
32
Landing gear - Nose gear door operating struts
- Incorrect assembly of spacing washers
Applicable to all HS/DH/BH/BAe 125 aircraft
SB 32-22
Dec 1965
1
R
32
Main gear and fairings. To introduce new main
gear retraction arm.
Series 1, 1A, 1B and 3
SB 32-220
Sep 1988
-
I
32
Landing Gear - Main Gear Fairings and Doors To introduce steel wing attachment casting for
main gear door jack
Series 400, 600, 700 and 800.
SB 32-221
Mar 1989
-
R
32
Landing gear - Brakes - Improved alignment of
brake control valve input mechanism
All Series up to and including 800
SB 32-222
Mar 1990
1
R
32
Landing Gear – Main Gear – Introduction of
improved torque link pivot arrangements.
All Series up to and including 800
SB 32-222 - INSP
Nov 1989
-
M
32
Landing gear – Main gear – Introduction of
improved torque link pivot arrangements
All Series up to and including 800
SB 32-223
Mar 1990
1
R
32
Landing gear - Nose landing gear - Inspection
of steering jack pivot ring for grease nipple
installation
Applicable to all Series DH/BH/HS/BAe 125
aircraf which are post Mod.251909
SB 32-224
Aug 1990
1
M
32
Landing Gear - Main Landing Gear - Inspect
MLG sidestay to wing pick up fitting for
adequate clearance
Applicable to all BAe 125 Series 800A and 800B
aircraft
12/24/2008
Page 125 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-225
May 1990
-
M
32
Landing Gear - Main Landing Gear - Inspection
of Main Landing Gear sidestay centre pivot
Applicable to all BAe 125 Series 800A and 800B
aircraft
SB 32-226
May 1991
-
M
32
Landing Gear - Main gear - Introduction of steel
torque links and reduced axial clearances at
torque link pins and knuckle joints
Series 800A and 800B
SB 32-227
Oct 1990
1
M
32
Landing Gear - Main Landing Gear - Inspection
of MLG sidestay arm assemblies and torque
links
Applicable to all BAe 125 Series 800A and 800B
aircraft
SB 32-229
Dec 1992
-
R
32
Landing Gear - Inspection of LH main landing
gear sidestay assembly to identify upper arms
with suspected coarse grained material
Applicable to all BAe 125 Series 800 aircraft
SB 32-23
Jul 1965
-
R
32
Inspection of Chined tyres Pt. No DR6383T
A/C with Mod.251297 embodied or held as
spare parts.
Applicable to nose wheel chined tyres, Dunlop
Part No. DR6383T
SB 32-230
Nov 1994
2
R
32
Main gear. Introduction of torque link pins with
increased wall thickness and improved grease
plug retention
BAe 125 Series 800A, 800B, 1000A, 1000B,
Hawker 800 and 1000
SB 32-232
Nov 1994
5
O
32
Main gear. To reduce the axial clearances at
the torque link pins and knuckle joints. To
improve resistance to vibration.
HS 125 Series 600 and Series 700 aircraft.
SB 32-233
Jul 1995
-
M
32
Landing gear - Main landing gear - To
introduce a replacement sidestay jack pivot
asembly
All BAe 125 Series 800A. Model DH/BH/HS/BAe
125, Hawker 800 and 1000.
SB 32-233 - INSP
Jul 1995
2
M
32
Landing gear - Inspection of RH and LH M.L.G.
sidestay jack pivot for possible cracking.
All BAe 125 Series 800A. Model DH/BH/HS/BAe
125, Hawker 800 and 1000.
SB 32-234
Jun 1994
1
I
32
Landing Gear - Main gear - Introduction of
replacement bushes at the torque link pins
BAe 125 Series 800
SB 32-235
Nov 1994
-
R
32
Landing gear - Inspection of main and nose
landing gear wheel tie bolt nuts for possible
cracking
Applicable to 125 DH/BH/HS/BAe Series 1A/B,
3A/B, 400A, 400B, 600A, 600B, 700A, 700B,
800A, 800B, 1000A, 1000B and Hawker 800 and
1000 aircraft
SB 32-239
May 1997
-
R
32
Landing Gear - Main gear - To reduce the axial
clearances at the torque link pins and knuckle
joints
Part B, No.1: All BH/HS 125 series 600 and
Series 700 aircraft (PreMod 253528A). Part B, Kit
No.2: BH/HS Series 600 and Series 700 aircraft
Post Mod.253528A) (A/C 256038, 257008,
257013, 257029, 257052, 257069, 257072,
257076, 257135, 257182, 257189)
12/24/2008
Page 126 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-24
Feb 1966
1
R
32
To introduce new oleo seals to main & nose
landing gears.
Series 1, 1A, 1B and 3
SB 32-240
Nov 1996
-
O
32
Restricted - See Remarks
Hawker 800 U-125A (JASDF)
SB 32-241
Dec 1996
1
O
32
Introduction of replacement main landing gear
downlock microswitch assembly(s).
Model HS/BAe 125 Series 700A/700B post-Mod.
252450, 800A/800B (including major variants
C29A and U-125), 1000A and 1000B. Model HS
125 Series F600B: 25258. Hawker 800, including
800XP. Hawker 1000
SB 32-242
Mar 1997
-
O
32
Restricted - See Remarks
Hawker 800 U-125A (JASDF)
SB 32-25
Dec 1970
1
R
32
Wheels & Brakes. To introduce Dunlop brake
unit AH52430 in lieu of AH 52207.
Series 1A and 1B
SB 32-26
Jan 1979
1
R
32
To introduce new location of keyway in
emergency selector levers of U/C selector
bearing assembly.
Series 1, 1A, 1B and 3
SB 32-27
Dec 1965
1
R
32
Main & Nose Wheel Assys (A) Inspection of
half hub assy bolts for thread damage (B)
Correction of torque load figure on main wheel
ref plate.
Applicable to HS.125 aircraft, all Series
SB 32-28
Dec 1965
-
R
32
Nose Gear & Doors. To introduce modified
nose gear doors, Pt. A - existing doors, Pt. B future production doors.
Series 1, 1A, 1B and 3
SB 32-29
Mar 1966
-
O
32
Main Wheel. To introduce drain holes in main
wheel nave plate.
Series 1, 1A, 1B and 3
SB 32-3
Jan 1984
1
O
32
Landing gear - To introduce a modified
undercarriage selector bearing assembly
Series 1, 1A and 1B
SB 32-30
Apr 1966
-
O
32
Nose gear & doors. To introduce new nose
gear centring mechanism.
Series 1, 1A, 1B and 3
SB 32-3015
Apr 1999
1
O
32
LANDING GEAR - NOSE WHEEL - To Revise
the Nose Wheel Axel Shimming
BAe 125 Series 800A and 800B (including major
variants C29A and U1125) (All Pre
Mod.253268A). BAe 125 Series 1000A, 1000B
and Hawker 1000, 800 (including major variant
U-125A) and Hawker 800XP (All Post Mod.
253268A).
12/24/2008
Page 127 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-3016
Jan 1999
1
O
32
Landing Gear - Nose Wheel - To Remove the
Nose Wheel Spin Brake
BAe 125 Series 1000A, 1000B, 800A and 800B
(including mjor variants C29A and U125). Hawker
800XP. Hawker 1000 and Hawker 800 (including
major variant U-125A)
SB 32-3023
Oct 1999
1
R
32
Landing gear - Replacement of 'LE' grease and
installation of a corrosion resistant steel spring
in the main landing gear sidestay spring strut
All DH/BH/HS/BAe 125 Series 1, 3, 400, 600,
700, 800(including Major Varients C29A and
U125) & 1000; Hawker 800(including Major
Varient U125A, Serial No. 258245, 258247,
258250, 258268 & 258288); Hawker 800XP up to
& including airplane No. 258317 & Hawker 1000.
Hawker 800XP Serial No's. 258311, 258313,
258315 & 258317 have accomplished this
modification in part by having Mod. 253800 Part C
(To introduce a Mod 253800B Standard Main
Landing Gear Sidestay with 'LB' Grease to aircraft
with Main Landing Gear & Nose Landing Gear
Spring Struts with 'LE' Grease) embodied on
production. To claim the full embodiment of this
modification, they must modify their remaining
struts as detailed in this Service Bulletin.
SB 32-31
Dec 1970
1
O
32
Position & Warning. Introducing micro switch 1
ENN205 Mk 1 version Honeywell Brown
Mod.CN1197.
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522,
1B/R-522 and 3B
SB 32-3128
Sep 1999
-
R
32
Landing Gear - Introduction of Kamatics 'KD'
Bushings at the Main Landing Gear Side Stay
Pivots
All BAe 125 Series 800A/800B including Major
Variants C29A and U125; Hawker 800 including
Major Variant U125A; Hawker 800XP; all
Post-Mod 253257A (Introduction of steel torque
links).
SB 32-3135
Jan 2002
2
R
32
Introduction of Improved torque link bushes
BAe 125 Series 800 (including Major Variants
C-29A and U-125); Hawker 800; Hawker 800
(U-125A), Serials 258245, 258247, 258250,
258268, 258288, 258305, 258306, 258325,
258333, 258341, 258348, 258360, 258370,
258381, 258407, 258427 and 258445; Hawker
800XP, Serials 258266, 258277 through 258510;
BAe 125 Series 1000 and Hawker 1000.
12/24/2008
Page 128 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-3165
Aug 2003
1
R
32
* Superseded by SB 32-3604 and SB 32-3605
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522; HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R;
DH.125 Series 3A/RA; HS.125 Series 3B/RA;
HS.125 Series 3B/RB; HS.125 Series 3B/RC;
HS.125 Series F3B; HS.125 Series F3B/RA;
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400B; HS.125 Series 400B/1;
HS.125 Series 401B; HS.125 Series 403A(C);
HS.125 Series 403B; HS.125 Series F400B;
HS.125 Series F403B; BH.125 Series 600A;
HS.125 Series 600A; HS.125 Series 600B;
HS.125 Series 600B/1; HS.125 Series 600B/2;
HS.125 Series 600B/3; HS.125 Series F600B;
HS.125 Series 700A; HS.125 Series 700B;
BAe.125 Series 800A; BAe.125 Series
800A(C-29A); BAe.125 Series 800A(U-125);
BAe.125 Series 800B; Hawker 800XP; Hawker
800(U-125A); BAe.125 Series 1000A; BAe.125
Series 1000B and Hawker 1000 equipped with
P/N AIR45396-5 steering jacks.
SB 32-32
Dec 1970
1
O
32
Wheels & Brakes. To introduce axle mounted
anti-skid units AC61480 & AC61482 Issue 5 in
lieu of Issue 4 Dunlop Mod M.08 (Dunlop SB
32-157).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3B
SB 32-3274
Aug 1999
-
M
32
Landing Gear - Nose Landing Gear Drag Stay
Rigging Inspection
Hawker 800XP and 800A
SB 32-33
Jun 1970
2
I
32
Main Wheels. To introduce AH52075 Iss3
Dunlop Mod.M353 SB32-347
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-3386
Jun 2000
-
M
32
Landing Gear - Main landing gear door uplock
thread inspection
Hawker 800XP and 800
12/24/2008
Page 129 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-3391
Aug 2000
-
M
32
Landing gear - Main landing gear (MLG)
actuator cylinder head inspection
Model DH 125 Series 1A, 1A-522, 3A, 1A/R-522,
3A/R, 1A/S-522, 3A/RA, 400A. Model HS 125
Series 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3B/R, 3B/RA, 3B/RB, 3B/RC, F3B, F3B/RA,
400B, 400B/1, 401B, 403A(C), 403B, F400B,
F403B, 600A, 600B, 600B/1, 600B/2, 600B/3,
F600B, 700A and 700B. Model BH 125 Series
400A and 600A. Model BAe 125 Series 800A
(including Major Variants C29A and U125), 800B,
1000A and 1000B. Model Hawker 800XP (Prior to
Serial 258490), 800 (including Major Variant
U125A through Serial 258381) and 1000.
SB 32-34
Nov 1970
2
O
32
Steering. Steering servo AIR45396. Introducing
Lockheed Mod.ESA5534 (Lockheed SB32-24).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 32-3439
Feb 2002
1
R
32
Landing Gear - Introduction of cutouts to clear
the forward nose landing gear (NLG) door
hinges
Hawker 800XP, Serials 258266, 258277 through
258406, 258408 through 258446, and 258448
through 258498;Hawker 800(U-125A), Serials
258306, 258325, 258333, 258341, 258348,
258360, 258370 and 258381.
SB 32-3499
Oct 2001
-
M
32
Landing gear - Inspection and removal of
suspect maxarets (anti-skid device)
Model BH.125, Series 600A. Model HS.125,
Series 600A, 600B, 600B/1, 600B/2, 600B/3,
F-600B, 700A and 700B. Model BAe.125, Series
800A (C-29A, U-125), 800B, 1000A, 1000B and
Hawker 1000. Hawker 800, 800 (U-125A) and
800XP.Model DH 125, Series 1A, 1A-522,
SB 32-35
Nov 1970
2
I
32
Wheels & Brakes. To introduce nosewheel
AH52339 Issue 3 in lieu of Issue 2 Dunlop
Mod.M477 (Dunlop SB32-378).
Series 1, 1A, 1A-522, 1B, 1B-522, 1B/S-522 and
1B/R-522
SB 32-3516
Jul 2003
-
R
32
Landing gear - Nose landing gear torque link
bushing replacement
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522;HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R; DH.
SB 32-3519
Feb 2003
-
M
32
LANDING GEAR - Replacement of Nose
Landing Gear Bearing Block Assembly
BAe.125 Series 800A, BAe.125 Series
800A(C-29A), BAe.125 Series
800A(U-125),BAe.125 Series 800B, Hawker 800,
Hawker 800XP and Hawker 800(U-125A), Serials
258091 through 258570 and 258579 through
258582;All BAe.125 Series 1000A, BAe.125
Series 1000B and
12/24/2008
Page 130 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-3522
Sep 2002
-
M
32
Landing gear - Dunlop wheel tie-bolt nuts
inspection/replacement
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522; HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R;
DH.125 Series 3A/RA; HS.125 Series 3B/RA;
HS.125 Series 3B/RB; HS.125 Series 3B/RC;
HS.125 Series F3B; HS.125 Series F3B/RA;
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400B; HS.125 Series 400B/1;
HS.125 Series 401B; HS.125 Series 403A(C);
HS.125 Series 403B; HS.125 Series F400B;
HS.125 Series F403B; BAe.125 Series 800A;
BAe.125 Series 800A(C-29A); BAe.125 Series
800A(U-125); BAe.125 Series 800B; Hawker 800;
Hawker 800(U-125A) Serial Numbers up to and
including 258493; Hawker 800XP Serial Numbers
up to and including 258581 equipped with Dunlop
wheels P/Ns AH51909, AH52075, AH52286,
AH52206, AHA1287, AHA1606 and AHA1814.
SB 32-36
Jan 1969
1
I
32
Nose Gear. To introduce revised fits for pins
and bushes on dragstay and leg assy.
Series 1, 1A, 1B and 3
SB 32-3604
Aug 2003
-
R
32
Landing gear - Nose steering jack rivet
inspection
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522;HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R; DH.
SB 32-3605
Aug 2003
-
R
32
Landing gear - Corrosion removal from nose
steering jack valve body
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522;HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R; DH.
SB 32-3614
Jul 2005
-
M
32
Landing Gear - Hawker 800XP Main Leg
Assembly Identification
Hawker 800XP, Serials 258266, 258277 through
258706 and 258708 through 258727.
SB 32-3615
Jul 2005
-
M
32
Landing Gear - Hawker 800XP/1000 MLG
Sidestay Assembly Identification
Hawker 800XP, Serials 258266, 258277 through
258706, 258708 through 258727 and all Hawker
1000.
12/24/2008
Page 131 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 32-3696
Description
Effectivity
Jul 2005
-
M
32
Landing Gear - Hawker 800XP/1000 Main
Landing Gear (MLG) Upper/Lower Arm and
Sidestay Assembly Re-Identification
This Service Bulletin is being issued because
sidestay components common to the 1 through
1000 including 800XP Series aircraft have
different life limits but have the same part number.
MLG Sidestay Assemblies: Part Numbers
25-8UM3-125A, 25-8UM3-126A, 25-8UM3-161A,
25-8UM3-162A, 25-8UM3-173A, 25-8UM3-174A,
25-8UM3-195A, 25-8UM3-196A, 25-8UM3-205A,
25-8UM3-206A, 25-8UM3-209A and
25-8UM3-210A with "Pre Mod 25F952A/B
(800XP/1000)".
SB 32-3697
Jul 2005
-
M
32
Landing Gear - Hawker 800XP Main Leg
Assembly Plunger Tube Re-Identification
This Service Bulletin is being issued because the
main leg assembly plunger tube common to the
600, 700, 800 and 800XP Series aircraft have
different life limits but have the same part number.
Main Leg Assemblies: Part Numbers
25-8UM1-239A, 25-8UM1-240A, 25-8UM1-293A,
25-8UM1-294A, 25-8UM1-299A, 25-8UM1-300A,
25-8UM523-1A, 25-8UM523-2A,
25-8UM523-11A, 25-8UM523-12A,
25-8UM523-179A, 25-8UM523-180A,
25-8UM523-181A, 25-8UM523-182A,
259W02333-3, 259W02333-4, 259W02333-3 +
PCN W00197, 259W02333-4 + PCN W00197
with "Pre Mod 25F952A (800XP)" vibro-etched on
main leg assembly data plate.
SB 32-37
May 1966
-
R
32
Main Leg Upper Casing Assy. Security of bush
in attachment lug for sidestay.
Aircraft H.S.125. Unit Steering Servodyne. Part
No Air.45396
SB 32-3746
Jul 2007
2
M
32
Landing Gear - Main Landing Gear (MLG)
Wheel Tie Bolt and Nut Retirement Life
BAe.125 Series 800A, BAe.125 Series 800A
(C-29A), BAe.125 Series 800A (U-125), BAe.125
Series 800B, Hawker 800, Hawker 800 (U-125A)
Hawker 800XP and Hawker 850XP with MLG
wheel assembly Part Numbers AHA1287,
AHA1606 and AHA1814.
12/24/2008
Page 132 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-3777
Oct 2006
-
R
32
Landing Gear – Main Landing Gear Jack
Improved Servo Block Mounting
DH.125 Series 1A; HS.125 Series 1B; DH.125
Series 1A-522; HS.125 Series 1B-522; DH.125
Series 1A/R-522; HS.125 Series 1B/R-522;
DH.125 Series 1A/S-522; HS.125 Series
1B/S-522; DH.125 Series 3A; HS.125 Series 3B;
DH.125 Series 3A/R; HS.125 Series 3B/R;
DH.125 Series 3A/RA; HS.125 Series 3B/RA;
HS.125 Series 3B/RB; HS.125 Series 3B/RC;
HS.125 Series F3B; HS.125 Series F3B/RA;
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400A; HS.125 Series 400B;
HS.125 Series 400B/1; HS.125 Series 401B;
HS.125 Series 403A(C); HS.125 Series 403B;
HS.125 Series F400B; HS.125-F403B;
BH.125-600A; HS. 125-600A; HS.125 Series
600B; HS.125-600B/1; HS.125-600B/2;
HS.125-600B/3; HS.125-F600B; HS.125 Series
700A; HS.125 Series 700B; BAe.125-800A;
BAe.125-800A (C-29A); BAe.125-800A (U-125);
BAe.125-800B; BAe.125-1000A; BAe.125-1000B;
Hawker 1000 and Hawker 800; Hawker 800
(U-125A), up to and including Serial Number
258797; Hawker 800XP and Hawker 850XP, thru
258770.
SB 32-3779
Jul 2006
-
O
32
Landing Gear - Side Stay Assembly Lower Arm
Grease Fitting Reintroduction
Bae.125 Series 800A; Bae.125 Series 800A
(C-29A); Bae.125 Series 800A (U-125); Bae.125
Series 800B; Hawker 800; Bae.125 Series 1000A;
Bae.125 Series 1000B and Hawker 1000, Post
Service Bulletin 32-3128 and Post Mod 253549A
or B. Hawker 800 (U-125A), Post
SB 32-38
Jun 1966
-
O
32
Wheels And Brakes. To introduce Dunlop
Mod.M438 to brake unit AH52207 (Dunlop
SB32-330).
Series 1, 1A and 1B
SB 32-3873
Feb 2008
-
M
32
Landing Gear - Position Switch
Inspection/Adjustment
Mitsubishi Model MU-300, Serials A003SA
through A091SA; Beechcraft Model 400, Serial
RJ-1 through RJ-65; Beechcraft Model 400A,
Serials RK-1 through RK-353; Hawker Beechcraft
Model 400A (Hawker 400XP), Serials RK-354
through RK-511 and RK-514.
SB 32-3896
May 2008
-
R
32
Landing Gear - Inspection / Repair of Main
Landing Gear Forward Trunnion Upper and
Lower Barrel Nut
Hawker 850XP, Serial Number 258891; Hawker
900XP, Serial Numbers HA-0021, HA-0022,
HA-0024, HA-0026, HA-0027, HA-0030, HA-0032
and HA-0033.
12/24/2008
Page 133 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-39
Jan 1966
-
I
32
Wheels And Brakes nosewheel AH52339. To
introduce Dunlop Mod.M446.
Series 1 and 1B
SB 32-3908
Sep 2008
-
R
32
Landing Gear - Main Landing Gear (MLG) Side
Stay Assembly Lower Arm Lightening Hole
Protection
Hawker 800XP and Hawker 850XP, Serial
Numbers 258810 through 258878; Hawker
900XP, Serial Numbers HA-0001 through
HA-0055; Hawker 750, Serial Numbers HB-1
through HB-5.
SB 32-3920
Aug 2008
-
M
32
Landing Gear - Main Landing Gear (MLG)
Upper Casing Replacement
BAe.125 Series 800, Serial Numbers 258007 and
258012 with right MLG upper casings installed as
shown in Table 1 of Section 3.A.; Hawker 800XP,
Serial Numbers 258294, 258295, 258298,
258463, 258474, 258483 and 258510 with left
MLG upper casings installed and Serial Numbers
258289, 258293, 258299, 258483 and 258731
with right MLG upper casings installed as shown
in Table 1 of Section 3.A.
SB 32-4
Nov 1964
-
O
32
To introduce cancellation of the undercarriage
horn warning signal.
Series 1, 1A and 1B
SB 32-40
Nov 1970
2
I
32
Wheels And Brakes. Nosewheel AH51913. To
introduce Dunlop Mod.M349.
Series 1 and 1A Pre Mod.251336
SB 32-41
Dec 1970
1
I
32
Wheels and Brakes Tyres. To introduce main
wheel tyre DR14623T in lieu of DR14622T
(Dunlop Mod.TY10).
Series 1, 1A, 1A-522, 1B, 1B-522 and 3B (25/015,
062, 069)
SB 32-42
Nov 1970
1
O
32
Wheels and Brakes. Introduces Dunlop
Mod.M598 and M597 (Dunlop SB 32-425).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 32-43A
Nov 1970
1
I
32
Wheels And Brakes. Introducing Dunlop
Mod.M545 to Maxaret units - AC61482 (Dunlop
SB 32-416).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 32-43B
Nov 1970
1
I
32
Wheels And Brakes. Introducing Dunlop
Mod.M545 to Maxaret units - AC61480 (Dunlop
SB 32-416).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522 ,1B/R-522, 3A, 3B/3A/R, 3A/RA and
3B/RA
SB 32-44
Sep 1966
-
O
32
Steering Jack. Introduction of AIR 45396/4/8 in
lieu of AIR 45396/4/7.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522 and 1B/S-522
SB 32-45
Aug 1966
-
R
32
Nose Gear And Doors. To introduce a modified
steering disconnect pin.
Series 1, 1A, 1B, 3, 3A and 3B
12/24/2008
Page 134 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-46
Aug 1966
-
O
32
Nose Gear And Doors. Introducing a modified
steering disconnect pin and deleting quick
release pin retaining chain.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-47
Aug 1969
2
O
32
To introduce a modified steering sleeve at nose
gear.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-48
Nov 1970
1
I
32
Wheels And Brakes. To introduce Dunlop
Mod.M515 to nosewheel AH52339 (SB32-429).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A and 3B
SB 32-49
Nov 1966
-
I
32
Wheels And Brakes. Introducing Dunlop
Mod.M603 to main wheel AH52206.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-5
Nov 1964
-
I
32
To introduce Rotax V0601 warning horn.
Series 1
SB 32-50
Sep 1966
-
R
32
Main Leg Assy. Security of axle assy to main
leg plunger tube.
Applicable to HS.125 aircraft, all Series, and to
main leg assemblies held as spares or in stores.
SB 32-51
Oct 1966
-
O
32
Main Wheels. Introduction of new wheel
retaining nut.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-52
Oct 1966
-
I
32
Wheels And Brakes. To introduce a parking
brake mechanism lever with an arm of reduced
width.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-53
Oct 1966
-
I
32
To introduce U/C warning horn Rotax Pt No
V0603 in place of V0601.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-54
Jan 1970
1
I
32
Nose Gear And Doors. To introduce an
improved nose wheel axle.
Series 1, 1-521, 1A, 1A-522, 1A/S-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA,
3B, 3B/RA, 400A and 400B
SB 32-55
Sep 1966
-
R
32
Steering. Excessive friction in steering control
system.
Applicable to H.S. 125 aircraft, all Series.
SB 32-56
Nov 1970
1
O
32
Wheels & Brakes. Brake control valve
AC61520. Introduction of Dunlop Mod.M645.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/RA and 3B/RA
SB 32-57
Nov 1966
-
O
32
Brakes. To introduce a weaker spring between
pilot's foot and Dunlop toe brake motor
Series 1 1A 1B 3 3A 3B
SB 32-58
Jun 1970
1
O
32
Nose Wheel. To introduce Dunlop Mod.M639
to nose wheel AH 52339 (Dunlop SB 32-501).
Series 1 1A 1A/S 1B 1B/S 1B/R 3A 3A/R 3A/RA
3B 3B/RA 400
12/24/2008
Page 135 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-59
Dec 1983
4
M
32
Landing gear - Extension and retraction - To
introduce modified lever and shaft at
undercarriage emergency selector shaft
assembly
Applicable to BH/DH 125 Series 1, 1A, 1B, 3A
and 3B and all variants thereof up to and
including Series 3A/RA, 3B/RA and 3B/RC.
SB 32-6
Dec 1965
2
R
32
To introduce Dunlop nose wheel AH52399.
Series 1, 1A and 1B
SB 32-60
Mar 1967
1
R
32
Nose Gear & Doors. To introduce a modified
torque link pick-up sleeve.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-61
Dec 1966
-
O
32
Extension & retraction. To improve clearance
between spar & main gear retraction arm.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-62
Nov 1978
4
R
32
Extension & retraction. Introducing main gear
jacks AIR48502/0/1.
Series 1, 1A, 1B, 3, 3A, 3B, 400A, 400B and all
derivatives
SB 32-63
Jul 1970
1
O
32
Main gear fairings. To introduce modified main
gear fairings.
Series 1, 1A, 1B, 3, 3A, 3B, 1A-522, 1B-522,
1A/S-522 and 1B/S-522
SB 32-64
Jan 1967
-
R
32
Inadequate engagement of Maxaret drive
splines.
Applicable to H.S.125 aircraft, all Series
SB 32-65
Mar 1970
1
R
32
Hydraulic plate brake assemblies. AH52207 &
AH52430. Wheel hub fouling against brake
thrust plate.
Applicable to HS.125 aircraft Series 1A, 1B and 3
with Brake Assemblies AH.52207 or AH.52430
SB 32-66
Jun 1967
1
O
32
Steering. Alteration to nosewheel steering
handwheel mechanism stop.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-67
Aug 1972
1
O
32
Main gear & doors. To increase strength of
pipe clamp ring on main gear.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-68
May 1967
-
O
32
Nose gear. To introduce new steering lever
assy with drain hole incorporated at the end
fitting.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-69
Sep 1967
-
O
32
Main gear. To provide positive retention of
main gear side - stay aft attachment bush.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-7
Jan 1965
1
R
32
To introduce strengthened main gear pivot.
Series 1, 1A and 1B
SB 32-70
Jun 1970
1
I
32
Landing Gear - Wheels & brakes. To introduce
tyre DR 6383T Issue 5 in lieu of Issue 4
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-71
Feb 1968
1
I
32
Main gear. To improve corrosion resistance of
main gear sidestay assy.
Series 1, 1A, 1B, 1A/S-522, 1B/S-522, 3, 3A, 3B,
3A/R, 3B/R and 3B/RA
12/24/2008
Page 136 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-72
Nov 1970
2
R
32
Wheels & Brakes. To introduce Dunlop
Mod.M695 to wheel brake unit AH52420.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-73
Sep 1967
-
O
32
Main Leg Assembly. To introduce a steel main
gear series axle retaining nut.
Series 1, 1A, 1B, 3, 3A, 3A/R, 3B and 3B/R
SB 32-74
Aug 1970
1
I
32
Main leg assembly. To introduce modified
pressure plug axle and plunger tube to main
gear oleo assembly.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-75
Jun 1970
1
O
32
Wheels & Brakes. To introduce Dunlop
Mod.M707 to Maxaret units Part Number
AC61480.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 32-76
Sep 1970
1
O
32
Wheels & Brakes. To introduce Dunlop
Mod.M689 to Brake Control Valve AC61520
(Dunlop SB 29-78).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-77
Jun 1970
2
O
32
Nose leg. To eliminate nose gear castor friction
Pt. A-lower bearing Pt. B-top bearing.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-79
May 1968
1
O
32
Nose gear & Doors. To introduce special pip
pin with split key attachment in lieu of the
normal figure 8 shaped loop.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA.
SB 32-8
Feb 1965
-
O
32
To facilitate assembly of parking break
mechanism.
Series 1
SB 32-80
Nov 1967
-
O
32
Fairings. To obtain full adjustment of up-lock
roller main U/C door.
Series 1, 1A, 1B, 3, 3A and 3B
SB 32-81
Jan 1979
2
I
32
Position and Warning. To improve main gear
mechanical indicator cables and an indicator
flag arm with a Glacier 'DU' bush.
All Series up to and including 600
SB 32-82
Jun 1974
5
O
32
Position and warning. To replace landing gear
microswitches having screw terminals with
switches having integral leads.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3, 3A, 3B, 3A/R,
3A/RA, 3B/RA, 400A and 400B.
SB 32-83
Dec 1967
-
R
32
Warning Horn Rotax V0603. Rubber bung vent
blocked.
Applicable to HS.125 aircraft. all Series
SB 32-84
Apr 1971
3
R
32
Nose gear and doors. Pt. A - To introduce
items featuring improved corrosion resistance
Pt. B - To introduce stainless steel bearings.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
12/24/2008
Page 137 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 32-86
Mar 1969
1
R
32
Main gear. To introduce improved details of
hinge fittings to leg fairings.
Series 1B/R, 3A/R, 3A/RA and 3B/RA
SB 32-87
Feb 1968
-
R
32
Parking brake lever assembly. Failure of pawl
to engage with the rack.
Applicable to HS.125 aircraft all series
SB 32-88
May 1968
-
I
32
Nosewheel tyre. To introduce nosewheel tyre
DR 6383T issue 6 incorporating Dunlop
Mod.TY 35.
Series 1, 1A, 1A/522, 1A/R-522, 1A/S-522, 1B,
1B/522, 1B/R-522-094, 1B/S-522, 3A, 3A/R,
3A/RA, 3B, 3B/R, 3B/RA, and 3B
SB 32-89
Jun 1970
3
O
32
Main gear and fairings. To eliminate main gear
upper sliding bush failure.
Series 1, 1A, 1A-522, 1A/S-522, 3A, 3A/R,
3A/RA, 1B, 1B-522, 1B/S-522, 1B/R-522, 3B,
3B/RA, 400A and 400B
SB 32-9
Jan 1971
1
O
32
To introduce Dunlop Mod M118 to axle
mounted maxarets AC61480 & AC61482.
Series 1, 1A, 1B and 3B (25/015)
SB 32-90
Jun 1971
3
I
32
Main gear and fairings. To reduce harshness of
landing on initial impact.
Series 1, 1A, 1B, 1A/S-522, 1B/S-522, 1B/R-522,
3A, 3B, 3A/R, 3ARA, 3BRA, 400A and 400B
SB 32-91
Feb 1969
1
R
32
Main gear side-stay assembly. Adjustment of
side-stay clearences by a revised procedure.
Applicable to HS.125 aircraft Series 1, 1A, 1B, 2,
3, 3A, 3B, 3A/R, 3A/RA and 3B/RA
SB 32-92
Sep 1970
1
I
32
Main gear and fairings. To introduce improved
protective scheme on main gear axle.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 32-93
May 1969
1
I
32
Main gear and fairings. To introduce a main
gear casing with increased section material in
way of the forward attachment pin.
Series 1, 1A, 1B, 1A/S-522, 1B/S-522, 3, 3A, 3B,
3AR, 3BR, 3ARA and 3BRA
SB 32-94
Nov 1972
4
R
32
Main gear and fairings. To improve the service
life of the main gear by creating greater
resistance to corrosion.
Series 1, 1A, 1B, 1A/S-522, 1B/S-522, 1B/R-522,
3B, 3A, 3AR, 3BR, 3ARA, 3BRA, 400A and 400B
SB 32-95
Sep 1970
1
I
32
Dunlop Mod.M693 to introduce master Cylinder
ACM 26274 in lieu of ACM 22746 (Dunlop SB
29-86).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3AR, 3ARA, 3B, 3BRA,
400A AND 400B
SB 32-97
May 1968
-
R
32
Main gear doors. To introduce drain holes in
skins of main gear doors.
Series 1A/R-522, 1B/R-522, 3A/R, 3B/R, 3A/RA
and 3B/RA
SB 32-98
Jul 1968
-
I
32
Main gear fairings and doors. To improve
running clearances in main gear door
sequence mechanism.
Series 1A/R-522, 1B/R-522, 3A/R, 3B/R, 3A/RA
and 3B/RA. Aircraft No.25094
SB 32-99
Apr 1968
-
R
32
Main door up-lock assembly. Failure of door
lock roller to engage in the up-lock hook.
Applicableto HS 125 aircraft Series 3A/R, 3B/R,
3A/RA and 3B/RA
12/24/2008
Page 138 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 32-A197
Description
Effectivity
Aug 1983
-
M
32
Landing gear - Extension and retraction Cracking of main gear jack cylinder head
attachment lugs
Applicable to all HS/DH/BH 125 aircraft up to and
including Series 700
SB 32-A203
Sep 1985
1
M
32
Landing Gear - Nose gear door quick release
strut - incorrect closure
BAe 125 Series 800A and 800B
SB 32-A228
Aug 1990
-
M
32
Landing Gear - Wheels and Brakes - Inspection
of Torque Tightened Nose Wheel Location
Plate Retaining Nuts
Applicable to all BAe 125 Series 800A and 800B
SB 32-A60
Dec 1966
-
R
32
Steering. Insecurity of steering disconnect pin.
Applicable to HS.125 aircraft, all Series
12/24/2008
Page 139 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 33
Lights
SB 33-1
Nov 1964
-
I
33
To introduce Grimes tandem type oscillating
beacon.
Series 1and 1B
SB 33-10
Nov 1982
8
O
33
Lights/wings – Part A and C – Flaps – To add
protective metal skin on inboard underside of
flaps (Part A – pre mod. 252798, Part C – post
mod. 252798) – Part B – Downward beacon –
To add protective silicone skin on leading edge
of beacon
Model DH/HS.125, Series 1BR-522, 3A/R, 3A/RA,
3B/RA, 3B/RC with Viper or TFE 731 engine.
Series 400, 401, 403 and all variants with Viper or
TFE 731 engines. Model HS/BH.125, Series 600
and all variants with Viper or TFE 731 engines.
Model HS.125, Series
SB 33-11
Mar 1973
-
O
33
Downward anti-collision beacon Pt No
G9950-21 replaces G9950-4.
Model DH.125, Series 1A, 1A-522, 3A, 3AR,
3ARA and 400A. Model BH.125, Series 400A.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 3B, 3BRA and 400B
SB 33-13
Sep 1975
2
O
33
To introduce protection to leading edge of
Grimes Beacon.
Series 1, 1A, 1-521, 1A-522, 1A/S-522, 1B,
1B-522 1B/S-522 3A and 3B
SB 33-14
Sep 1978
2
O
33
Tail navigation. Improved anti-vibration
mounting using three A/V studs.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B and 3BRA
SB 33-15
Jun 1973
-
R
33
Central attention getting system cancel switch.
Posibility of sticking in cancel position.
Applicable to HS/DH/BH 125 aircraft, Series 400A
and 400B
SB 33-16
Dec 1973
-
R
33
Prevention of nuisance illumination of main air
valve annunciators.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 33-17
Jan 1974
-
R
33
To introduce a time delay unit in vent tank
overflow signal lines to master warning system
(MWS).
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 33-19
May 1974
-
R
33
Master warning system. To ensure printed
circuit boards are held securely a retaining
plate is attached by screws to board guides.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 33-2
Nov 1970
1
O
33
Tailplane navigation lamp. Thorns 80/10/0200.
To introduce Thorns Mod.Pt.A 4850 Pt.B 4935
(Thorns SB33-4).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 33-26
Jun 1975
1
O
33
Introduction of shortened cable to assist
removal of aircraft registration label lamp.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
12/24/2008
Page 140 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 33-27
May 1979
1
O
33
Master warning system.
Model BH 125, Series 600A. Model HS 125,
Series 600B.
SB 33-28
Jan 1980
1
I
33
Passenger compartment/toilet. Fluorescent
lighting inverter unit R2829 replaces R2420/80.
Model HS.125, Series 1B, 1B-522, 1B/R-522,
1B/S-522, 3B, 3BRA, 3BRC, 400B, 403B and
F600B.
SB 33-29
Oct 1975
-
O
33
Engine start switches. Type 2C/206 4 filament
switches replace two filament types.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 33-3
Jan 1967
-
I
33
Introduces Grimes anti-collision beacon
G9950/1 as an alternative to G9950/4.
Series 1, 1A, 1B, 3, 3A and 3B
SB 33-3163
Apr 1999
-
R
33
Restricted - See Remarks
Hawker 800 (U-125A) JASDF airplanes
SB 33-32
Jan 1978
-
R
33
Strobe navigation lights installation. Chafing of
cables at terminal block in keel.
Applicable to HS/DH/BH 125 aircraft Series 400,
600, 700 and all variants.
SB 33-3234
Sep 1999
-
O
33
Lights - Replacement of Anti-Collision Beacons
BAe 125 Series 800; Hawker 800 and Hawker
800XP prior to serial 258440.
SB 33-3244
Apr 1999
-
O
33
Instrument panel lighting - Removal of lighting
balance units
BAe 125 Series 1000
SB 33-33
Oct 1980
-
R
33
Flight compartment lighting. To improve
instrument panel lighting performance during
VHF transmissions.
Series 700A and 700B
SB 33-3395
Apr 2008
3
O
33
LIGHTS - TO INTRODUCE ROUGH RUNWAY
PROTECTION FOR LOWER
ANTI-COLLISION
BAe 125 Series 800; Hawker 800 and Hawker
800XP, Post Mod. 25F809A or B; Hawker 750,
Hawker 850XP, and Hawker 900XP. If you are no
longer in possession of the airplane, please
forward this information to the present owner.
SB 33-34
Oct 1980
-
O
33
Rear equipment bay lighting. To introduce
alternative lamp and socket assembly.
Model DH/HS.125, Series 3 and all variants- post
Mod.251721. Model HS/BH.125, Series 400, 401,
403, 600 and all variants. Model HS/BAe.125,
Series 700 and all variants.
SB 33-3444
Apr 2001
-
O
33
Lights - Introduction of 20 AMP fuse into entry
light circuit and relocation of 7 AMP fuse for
ease of fuse replacement
BAe.125 Series 800A, Hawker 800 and Hawker
800XP.
SB 33-35
Aug 1981
-
O
33
To introduce Licon Switch Part Number 01
1452101 in lieu of Clare-Pendar Part Number
710609-B1-1 and Page Part Number C751 for
cockpit light master switch.
Model HS/BH.125, Series 600 and variants.
Model HS/BAe.125, Series 700 and variants.
12/24/2008
Page 141 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 33-3586
Nov 2004
Rev No
*Class
Chapter
1
M
33
Description
Effectivity
Lights - Pulselite System Deactivation
BAe.125 Series 800A and Series 800B, Serials
258017, 258108, 258113, 258121, 258125,
258127, 258128, 258137, 258138, 258141,
258144, 258145, 258147, 258150, 258152,
258153, 258155, 258160, 258163, 258168,
258170, 258173, 258176, 258178, 258179,
258181, 258185, 258189, 258193, 258195,
258196, 258200, 258203, 258204, 258206,
258209, 258221, 258223, 258230 and 258231;
Hawker 800, Serials 258263, 258264, 258265,
258269, 258272, 258274 and 258275; Hawker
800XP, Serials 258292, 258293, 258294, 258295,
258299, 258300, 258304, 258308, 258309,
258311, 258313, 258315, 258317, 258318,
258319, 258321, 258327, 258329, 258330,
258331, 258332, 258334, 258337, 258344,
258345, 258354, 258356, 258359, 258366,
258368, 258369, 258371, 258372, 258376,
258377, 258380, 258382, 258385, 258388,
258391, 258394, 258398, 258400, 258403,
258405, 258412, 258418, 258419, 258420,
258423, 258424, 258425, 258426, 258429,
258432, 258440, 254441, 258443, 258446,
258448, 258449, 258451, 258458, 258459,
258460, 258462, 258467, 258471, 258473,
258476, 258484, 258488, 258489, 258490,
258495, 258496, 258497, 258500, 258502,
258503, 258507, 258508, 258509, 258512,
258515, 258518, 258519, 258524, 258529,
258530, 258531, 258537, 258541, 258544,
258546, 258547, 258550, 258557, 258559,
258565, 258566, 258567, 258571, 258574,
258575, 258577, 258578, 258580, 258590,
258599, 258600, 258602, 258605, 258609,
258616, 258624, 258626, 258628, 258631,
258634, 258635, 258639, 258641, 258644,
258645, 258660, 258665, 258667 and 258668.
12/24/2008
Page 142 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 33-3682
Description
Effectivity
Mar 2005
-
M
33
Lights - Reactivation of Precise Flight
Pulselite® System
BAe.125 Series 800A and Series 800B, Serials
258017, 258081, 258101, 258108, 258113,
258117, 258121, 258123, 258125, 258127,
258128, 258137, 258138, 258141, 258144,
258145, 258147, 258150, 258152, 258153,
258155, 258160, 258163, 258168, 258170,
258173, 258176, 258178, 258179, 258181,
258185, 258189, 258193, 258195, 258196,
258200, 258203, 258204, 258206, 258209,
258221, 258223, 258230 and 258231; Hawker
800, Serials 258263, 258264, 258265, 258269,
258272, 258274 and 258275; Hawker 800XP,
Serials 258292, 258293, 258294, 258295,
258299, 258300, 258304, 258308, 258309,
258311, 258313, 258315, 258317, 258318,
258319, 258321, 258327, 258329, 258330,
258331, 258332, 258334, 258337, 258344,
258345, 258354, 258356, 258359, 258366,
258368, 258369, 258371, 258372, 258376,
258377, 258380, 258382, 258385, 258388,
258391, 258394, 258398, 258400, 258403,
258405, 258412, 258418, 258419, 258420,
258423, 258424, 258425, 258426, 258429,
258432, 258440, 258441, 258443, 258446,
258448, 258449, 258451, 258458, 258459,
258460, 258462, 258467, 258471, 258473,
258476, 258484, 258488, 258489, 258490,
258495, 258496, 258497, 258500, 258502,
258503, 258507, 258508, 258509, 258512,
258515, 258518, 258519, 258524, 258529,
258530, 258531, 258537, 258541, 258544,
258546, 258547, 258550, 258557, 258559,
258565, 258566, 258567, 258571, 258574,
258575, 258577, 258578, 258580, 258590,
258599, 258600, 258602, 258605, 258609,
258616, 258624, 258626, 258628, 258631,
258634, 258635, 258639, 258641, 258644,
258645, 258660, 258665, 258667 and 258668.
SB 33-37
Jul 1986
-
R
33
Indicating / Recording Systems - Addition of
capacitor to master warning system circuitry
B.Ae 125 Series 800A and 800B
SB 33-3748
Dec 2005
-
R
33
Lights - Emergency Lighting Wire Modification
Hawker 800XP, Serial Numbers 258701 through
258704, 258706, 258707, 258708, 258710 and
258711.
12/24/2008
Page 143 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 33-3754
Apr 2006
1
O
33
LIghting - Replacement of Pulselite Control Unit
P/N 2400-25-4-4 with Pin 2401S
Bae.125 Series 800A; Bae.125 Series 800B;
Hawker 800 and Hawker 800XP, if equipped with
Pulselite® System installed per STC SA3810SW.
SB 33-3755
Nov 2005
-
M
33
Lights - Inspection of Emergency Lighting
Fuses
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258738.
SB 33-38
Sep 1986
-
R
33
Lights - Landing lamp relay - mounting revised
B.Ae. 125 Series 800A and 800B
SB 33-3818
May 2007
-
O
33
Lights - Introduction of Led Tail Position Light
HS.125 Series 700A; HS.125 Series 700B;
BAe.125 Series 800A; BAe.125 Series 800B;
Hawker 800; BAe.125 Series 1000A; BAe.125
Series 1000B; Hawker 1000; Hawker 800XP and
Hawker 850XP through Serial Numbers 258826,
258828 and 258829.
SB 33-3832
Oct 2007
1
R
33
Lights – Pilot's and Copilot's Utility Light Wire
Harness Upgrade
Model 400A, Beechjet, Serials RK-98, RK-110
through RK-353; Model 400A, (Hawker 400XP),
Serials RK-354 through RK-484, RK-486 through
RK-518.
SB 33-39
Aug 1988
-
R
33
Lights - Passenger compartment lighting - To
supply the LH cabin reading lights from PS-2
Busbar in lieu of PS-1 Busbar
Series 800B
SB 33-3900
May 2008
-
M
33
Lights - Inspection / Replacement of the Main
Entry Door Emergency Exit Light Lamps
Model 400A, Beechjet, Serials RK-98, RK-110
through RK-353; Model 400A, Beechjet (Hawker
400XP), Serials RK-354 through RK-484 and
RK-486 through RK-547.
SB 33-3911
Sep 2008
-
R
33
Lights - Inspection of the Main Entrance
Emergency Exit Sign
Model 400A Beechjet, Serials RK-98, RK-110
through RK-353; Model 400A Beechjet (Hawker
400XP), Serials RK-354 through RK-484, RK-486
through RK-547.
SB 33-4
Mar 1967
-
O
33
Tail navigation lamp. To introduce anti-shock
mount at tail navigation light position.
Series 1, 1A, 1B, 3, 3A and 3B
SB 33-40
Nov 1989
-
R
33
Restricted - See Remarks
Series 800A (A/C 258129 134)
SB 33-41
Dec 1989
-
R
33
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 33-42
Mar 1990
1
R
33
Lighting - Integral lighting - Introduction of KGS
electronics dimmer system. To reduce the
possibility of unacceptable voltage modulation
affecting other A/C systems.
Series 800A Post Mod.253191A
12/24/2008
Page 144 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 33-43
Oct 1990
1
M
33
Lights - Passenger compartment - Inspection of
fluorescent lighting system in passenger cabin
and toilet
Series 600 aircraft. Series 700 post-mod 259117.
Series 800 pre and post mod. 259117
SB 33-44
Apr 1991
1
M
33
Instrument integral lighting. Introduction of
revised circuitry in dimmer unit D492-05-001.
Series 800A and 800B- Post Mod.253191A and
Pre Mod.253247A
SB 33-45
May 1992
2
M
33
Cabin and Toilet Fluorescent Lighting.
Introduction of power units with an integral
circuit for system fault protection.
Series F600A, 700A, 700B, 800A and 800B
SB 33-46
Feb 1992
-
O
33
Lights - Flight deck pad light - Introduction of
replacement flight deck pad lights
All Series Pre 800 aircraft which are Post
Mod.252480
SB 33-47
Mar 1993
-
R
33
Lights - Inspection of strobe light cables for
signs of damage or insulation breakdown
Applicable to all BH/HS 125 aicraft fitted with
strobe lighting system using Hoskins cables: 600
and 700 Series pre Mod. 252838A
SB 33-48
Jun 1994
-
O
33
LIGHTS - Rear equipment bay lighting Introduction of a replacement rear equipment
bay light switch.
BAe 125 Series 800A, 800B, 1000A, 100B,
Hawker 800 and 1000
SB 33-5
Jul 1967
-
O
33
Flight compartment lighting. To introduce a
wander lamp for the illumination of the lower
fuse panel 'AD'.
Series 1 1A 1B 3 3A 3B
SB 33-51
Jan 1995
-
O
33
Restricted - See Remarks
BAe 125 Series 800A U-125 (258215 and
258227)
SB 33-52
Nov 1994
-
M
33
Lights - Instrument Panel Lighting - Temporary
revision of lighting balance system to revert the
Aircraft to the Pre Mod Standard.
BAe Series 1000A and 1000B
SB 33-53
Jan 1995
-
R
33
Restricted - See Remarks
BAe 125 Series 800A U-125 (A/C 258215,
258227, 258242)
SB 33-54
Jul 1996
-
R
33
Restricted - See Remarks
BAe 125 Series 800A C-29A (A/C 258129,
258131, 258134, 258154, 258156, 258158)
SB 33-55
Jan 1996
-
O
33
Restricted - See Remarks
Hawker 800 U-125A(A/C 258245, 258247,
258250)
SB 33-56
Jun 1996
1
O
33
Lights - Anti collision beacon - To introduce
rough runway protection to the anti collision
beacon
Hawker 800XP
12/24/2008
Page 145 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 33-57
Apr 1997
-
O
33
Lights - Cabin and toilet fluorescent lighting To replace obsolete '66' series fluorescent
tubes with AL-'12' series tubes
All DH/BH/HS/BAe 125 Series 1 to 1000 and all
Hawker 800 and 1000
SB 33-6
Dec 1967
-
O
33
To introduce a metal guard strip for wing tip
navigation lamp cover.
Series 1, 1A, 1B, 3, 3A and 3B
SB 33-7
Sep 1969
-
O
33
Exterior lighting. Introducing revised settings for
taxi and landing lamps and to make provision
for further adjustment.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3B, 3A/R,
3A/RA, 3B/RA, 400A and 400B
SB 33-8
Feb 1970
1
O
33
Exterior lighting. Introducing taxi and landing
lamps of increased wattage.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3B, 3A/R,
3A/RA, 3B/RA, 400A and 400B
SB 33-9
Jan 1973
2
R
33
Roof panel and radio controller's lights.
Transistor voltage regulators introduced to
reduce load on rheostat dimming system.
Series 3B/RA 400
SB 33-9 - INSP
Mar 1971
-
R
33
Roof and controller's lamp dimmer switch.
Overheating.
Series 3B/RA 400
SB 33-A18
Feb 1974
-
M
33
Revised fuse rating for 5 volt instrument panel
lighting.
Applicable to HS/BH 125 aircraft Series 600A and
600B, post Mods. 25/2260
12/24/2008
Page 146 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 34
Navigation/Pitot Static
SB 34-1
Feb 1965
-
O
34
Instruments turn/slip indicator. To introduce
diodes to safeguard against possible over
voltage damage.
Series 1, 1A, 1B and 2
SB 34-10
Dec 1970
1
O
34
To introduce mechanism Mod.CN3778 on
Altitude Warning Unit M2019 (Mechanism Mod
leaflet 106).
Series 1, 1A, 1A-522, 1B and 1B-522
SB 34-104
Jul 1976
1
O
34
FL100 Altitude warning system. The altitude
switch and relevant pipe are deleted from the
flight deck.
Model HS 125 Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA & 3BRC, 400B &
403B
SB 34-113
Aug 1973
-
R
34
Introduction of Avimo pitot head.
Model BH.125 Series 600A and Model HS.125
Series 600B.
SB 34-114
Oct 1973
-
R
34
Flight controls. Torque loading of Collins
722-5472-001 servo motor increased from 40
lb in to 50 lb in.
Model BH.125 Series 600A and Model HS.125
Series 600B.
SB 34-115
Dec 1973
-
O
34
To revise the presentation of NAV 1 & NAV 2
information to the Captain's and 1st Officer's
flight instruments.
Series 3B/RA (A/C 25162 165 167 168)
SB 34-116
Jan 1974
-
R
34
Radio altimeter. Moisture ingress into aerial
connectors.
Model HS.125 Series 3B/RA, 400B and 600B
SB 34-117
Jun 1974
-
O
34
Radio altimeter. To fit a radio altimeter type
AHV-6(TRT) in series 400 Aircraft.
Model HS.125 Series 400B
SB 34-118
Oct 1982
2
I
34
Navigation - Compass system - Flux detector
323A-2G replaces 323-A1
Model HS.125 Series 1, 1B, 1B/522, 3B, 400B,
401B, 403B and 600B
SB 34-129
Jun 1977
1
M
34
Rosemount pitot heads model 853JA
introduced as alternative to Avimo.
Model BH.125 Series 600A and Model HS.125
Series 600A and 600B
SB 34-13
Oct 1965
-
R
34
Introduction of revised pitot/static system for
use when Viper 522 engines are installed.
Series 1B (A/C 25015)
SB 34-130
Mar 1976
-
R
34
Gables ATC Transponder controller G3636A.
Alteration of internal wiring to prevent
interaction between ident circuits.
Model BH.125 Series 600A and Model HS.125
Series 600B
12/24/2008
Page 147 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-131
Jun 1976
-
O
34
Smiths 3B servo altimeter system. To restrict
nuisance activity of display a restrictor is fitted
at the back of the instrument.
Model BH.125 Series 600A and Model HS.125
Series 600A and 600B
SB 34-135
May 1978
-
R
34
Pitot/static test equipment. Adapter blocked by
Thikol.
Applicable to HS/DH/BH 125 aircraft,all series.
SB 34-136
Oct 1985
1
O
34
Pitot/static drain valves. To introduce
non-metallic components into pitot/static drain
traps.
Model DH/HS.125 Series 1 and all variants, 3 and
all variants, 400, 401, 403, and all variants, 600
and all variants, 700 and all variants.
SB 34-137
Nov 1979
-
M
34
Introduction of revised setting module for
altitude alerting unit.
All HS, BH and DH.125 Series fitted with Smiths
FCS 80 and Smiths Altitude alerting system
SB 34-139
Jul 1981
1
R
34
To introduce skid fairing with metallised inner
surface and conductive sealing gaskets.
Series 700A and 700B
SB 34-14
Oct 1965
-
R
34
Introduction of an additional earth cable in stall
warning circuit.
Series 1, 1A and 1B
SB 34-140
Nov 1981
1
R
34
Navigation - To introduce monitoring of the pitot
head heating system
Series 1A, 3A, 400A, 600A and 700A and all
variants (A/C NA201 to 282)
SB 34-141
Jan 1981
-
R
34
Static pipelines. Possible distortion of S5 and
S6 static balance pipelines.
Model HS.125 Series 700A (up to A/C NA287,
except 284) 700B (up to A/C 257124)
SB 34-142
Mar 1983
1
R
34
VLF. To introduce a high resistance electrical
bleed path from ventral fin aerial to airframe.
Series 700B with aerial in ventral fin for
VLF/Omega navigational system
SB 34-143
May 1983
1
R
34
Pitot/static system drain valves. To introduce
stronger springs and improved sealing
arrangements in the water drain traps.
Model HS.125 series 700A and 700B.
SB 34-144
Nov 1983
1
R
34
EFIS 85. To introduce production standard
cooling fan speed sensor unit in place of
prototype unit.
Series 700A (A/C NA331)
SB 34-145
Nov 1983
1
R
34
Navigation - Air data instrumentation Improved run of static system feeds to I.D.C.
C.S.I. instruments
Model DH/HS.125 Series 1A, F400B and 700B
SB 34-146
Feb 1986
1
R
34
Navigation - Flight controls - To introduce
improved static dischargers.
Model HS/BH/DH.125 series 600, 700A and 700B
SB 34-148
May 1985
1
I
34
Navigation - Autopilot Servomotor Capstan Possibility of Corrosion
Model BAe.125 series 700A, 700B, 800A and
800B.
12/24/2008
Page 148 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-149
May 1985
-
R
34
Navigation - Air data system revised power
supply circuits
Model BAe.125 series 800A and 800B
SB 34-15
Jan 1979
2
R
34
Introduction of revised pitot static system for
use in conjunction with Viper 522 engines.
Series 1A and 1B
SB 34-150
Apr 1985
-
M
34
Navigation - Auto pilot - Auto pilot disengage
warnings
Series 700B (A/C 257208 210) 800B (A/C 258016
019 021 022 025 028)
SB 34-151
Dec 1986
1
R
34
VLF/Omega Global system. To introduce
anti-damp measures in ventral fin.
All BAe Series 700A and 700B aircraft with an
aerial in the ventral fin for V.L.F./Omega
navigational system.
SB 34-152
Jan 1987
1
R
34
Navigation - Weather radar control panel Inadvertent radar transmission
Applicable to BAe.125 aircraft series 700A, 700B,
800A and 800B equipped with Rockwell Collins
E.F.I.S.-85.
SB 34-153
Jan 1987
1
R
34
Weather radar indicator. Possible smoke
emission.
BAe.125 Series 700A and 700B
SB 34-154
May 1987
-
O
34
Navigation - Improved installation of ventral
fairing and very low frequency (VLF) aerial
Series 800A and 800B
SB 34-155
Aug 1987
1
R
34
Navigation - Radio altitude indicator - Possible
smoke emission
Applicable to all HS/DH/BH/BAe.125 aircraft
equipped with Rockwell Collins DRI-55 Digital
Radio Altitude Indicator
SB 34-156
Jun 1987
-
R
34
Navigation - Mode select panel - Possible
smoke emission
Applicable to all HS/BH/DH/BAe.125 aircraft
equipped with Rockwell Collins MSP-85 Mode
Select Panel.
SB 34-157
Aug 1987
-
R
34
Navigation - Autopilot - Introduction of revised
autopilot disconnect warning logic circuit
Series 800B
SB 34-159
Jul 1988
-
R
34
Navigation – Autopilot panel – Possible smoke
emission
All Series up to and including 800 equipped with
Rockwell Collins APP-80 or APP-80A
SB 34-16
Feb 1966
-
O
34
Introduces revised wiring run for E2B compass
light cable.
Series 1, 1A and 1B
SB 34-161
Sep 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 134 156 158)
SB 34-162
Sep 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129)
SB 34-163
Oct 1989
1
R
34
Restricted - See Remarks
Series 800A (A/C 258129)
SB 34-164
Nov 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 134)
12/24/2008
Page 149 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-165
Nov 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 134)
SB 34-166
Dec 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 34-167
Dec 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 34-168
Dec 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 34-169
Dec 1989
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 34-17
Feb 1966
-
O
34
Introduction of interchanged stall test switch
positions.
Series 1 1A 1B
SB 34-170
Oct 1990
-
R
34
Restricted - See Remarks
Series 800A (A/C 258129 131 154 156 158)
SB 34-171
Jul 1991
-
O
34
Flight enviroment. To introduce altitude alerting
system.
Series F400B
SB 34-172
Dec 1992
-
R
34
Autopilot. To introduce software mod to
ADZ-810 digatal air data computer.
Series 1000A and 1000B
SB 34-173
Jun 1994
-
R
34
To introduce revised avionics standard
communications bus (ASCB) databus cable
screen linking at test connectors.
BAe 125 Series 1000A and 1000B and Hawker
1000
SB 34-174
Oct 1994
-
O
34
NAVIGATION - Introduction of an improved
standard of Weather Radar (Primus 870)
BAe.125 Series 1000A and 1000B and Hawker
1000
SB 34-175
May 1994
-
O
34
Intrduction of a revised pipe configuration at the
left hand forward static plte (service
evaluation).
Model HS.125 Series 700A
SB 34-176
Jun 1966
-
I
34
Restricted - See Remarks
SB 34-177
Jun 1966
-
I
34
Restricted - See Remarks
SB 34-178
May 1995
-
O
34
Weather radar. To revert weather radar system
from Primus 650 to Primus 870
BAe. 125 Series 1000B
SB 34-179
Feb 1995
-
I
34
Restricted - See Remarks
Hawker 800 U-125A (A/C 258250)
SB 34-18
Mar 1966
-
R
34
Introduction of separate ASI & Mach warning
switches on independent supply lines.
Series 1A/522
SB 34-180
Jan 1996
-
R
34
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 34-181
Mar 1995
-
I
34
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
12/24/2008
Page 150 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-182
Mar 1995
-
I
34
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 34-183
Mar 1995
-
I
34
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 34-184
Feb 1996
-
O
34
Navigation - GNS - GNS500A, Series 5 with
GPS in lieu of GNS500-3B VLF system
Model HS.125 Series 700 (257181, 257183,
257190, 257194, 257205, 257211)
SB 34-185
Feb 1996
-
O
34
Power supplies. To improve switching between
DME transceiver and range converter.
Model HS.125 Series 600
SB 34-187
Nov 1996
-
O
34
Restricted - See Remarks
Hawker 800 U-125A (JASDF)
SB 34-188
Oct 1996
1
M
34
To check the total air temperature (TAT) probe
wiring to the air data computer (ADC) at
connector 'RWF'
Hawker 800 and 800 XP
SB 34-189
Nov 1996
-
R
34
Restricted - See Remarks
Hawker 800 U-125A
SB 34-19
Dec 1970
1
O
34
Introduces Mod.CN4250 to altitude switch
M2019U in altitude warning system.
Series 1, 1A, 1A-522, 1B, 1B-522 and 3B
SB 34-190
Mar 1997
-
M
34
Navigation - Display processor unit (DPU-86S)
part number CPN 622-9285-003/004 and
multifunction processor unit (MPU-86S) part
number CPN 622-9286-003/004 - Correction to
map course line orientation for off-screen
VOR2.
BAe.125 Series 800A,800B and Hawker 800 and
800XP
SB 34-192
Dec 1996
-
M
34
Restricted - See Remarks
Hawker 800 U-125A
SB 34-2
Feb 1965
-
O
34
To introduce Smiths Mod.04 on KAE 0701/W
accelerometer.
Series 1, 1A,1B and 2
SB 34-20
Dec 1970
1
O
34
Introduction of Ferranti Mod.FMC/EN for
artificial horizon direction indicator invertors
F1-10 and F1-14.
Series 1, 1B 1B-522, 1B/S-522, 1B/R-522, 3B,
and 3B/RA
SB 34-21
Dec 1970
1
I
34
Introduces Smiths altitude switch
1103/KSD/BU/1 Mod.01.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B and
3B/RA
SB 34-22
Nov 1970
1
I
34
To introduce Smiths Mod.10 to altimeter
KAA1603 W1.
Series 1, 1B, 1B/S-522, 1B/R-522, 3B and 3B/RA
SB 34-23
Oct 1966
-
R
34
Introduction of ASI Smiths Mod.01 to KAB37
Series.
Series 1A, 1B, 3, 3A and 3B
SB 34-24
Nov 1966
-
O
34
To introduce improved MACH/ASI pulse unit.
Series 1, 1A, 1B, 3A and 3B
12/24/2008
Page 151 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-25
Nov 1970
1
I
34
Airspeed indicator. Introduction of Smiths
Mod.03 to airspeed indicator KAB31 Series.
Series 3B (A/C 25015 062 069)
SB 34-26
Nov 1970
1
O
34
Introduces Ferranti Mod.FMC/GH to inverter
F1-10 (Ferranti SB 34-32).
Series 1, 1B, 1B-522, 1B/S-522, 1B/R-522, 3B
and 3B/RA
SB 34-27
Nov 1970
3
I
34
Introduces Mod.Z110 to altitude switches in
altitude warning system.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 34-28
Nov 1970
3
O
34
Introduces Ferranti Mod.FMC/FL to artificial
horizon gyro FH11E.
Series 1, 1B and 3B
SB 34-29
Nov 1970
1
I
34
Altimeter. To introduce Smiths Mod.11 to
Altimeter KAA 1603/W1.
Series 1, 1B, 1B-522, 1B/S-522, 1B/R-522, 3B,
3B/R and 3B/RA
SB 34-3
Mar 1965
-
I
34
Structural provision for Collins flux detector is
provided for in LH wing.
Series 1, 1A and 1B
SB 34-30
Oct 1970
1
O
34
To introduce Smiths Mod.05 to mach switch
0400KMB.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 34-3028
Jan 1998
-
M
34
Navigation. Inspection of flight control cables
and pitot pipes for a worn or chafed condition.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 34-31
Jan 1973
2
R
34
Stall warning system. To introduce separate
A/V mountings for stall detector units.
Series 1, 1A, 1B, 1A/R, 1B/R, 1A/S-522,
1B/S-522, 3A, 3B, 3A/R, 3B/R, 3A/RA and 3B/RA
SB 34-3109
Sep 1998
-
O
34
Navigation - Introduction of static source
revisions for air data controllers 1 and 2
HS/BAe 125 Series 700, Serials 257001 through
257215
SB 34-3110
Feb 2005
9
O
34
Navigation - Air Data Computer Increased
accuracy (Honeywell)
BAe 125 Series 800A/B; Hawker 800; Hawker
800XP, Serial Numbers up to and including
258358.
SB 34-3166
Dec 2002
5
O
34
Navigation - Air Data Computer Increased
Accuracy (Collins)
BAe 125 Series 800; Hawker 800; Hawker
800XP, Serial Numbers up to and including
258357.
SB 34-3174
Jun 1998
-
R
34
Restricted - See Remarks
Hawker 800 (U-125A) JASDF airplanes, Serial
Numbers 258245, 258247, 258250, 258268 and
258288.
SB 34-32
May 1968
-
O
34
To introduce Smiths Mod.02 to mach/ASI
indicator 202 AMA/1 (Smiths SB 34-202).
Series 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B/522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA.
12/24/2008
Page 152 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-3207
Aug 1999
-
M
34
Navigation - Inspection of pitot/static and stall
vent drain valves
All DH 125 Series 1A, 1A-522, 3A, 1A/R-522,
3A/R, 1A/S-522, 3A/RA, 400A; All HS 125 Series
1B, 1B-522, 1B/R-522, 1B/2-522, 3B, 3B/R,
3B/RA, 3B/RB, 3B/RC, F3B, F3B/RA, 400B,
400B/1, 401B, 403A(C), 403B, F400B, F403B,
600A, 600B, 600B/1, 600B/2, 600B/3, F600B,
700A, 700B; All BH 125 Series 400A, 600A; All
BAe 125 Series 800A (including Major Variants
C29A and U125), 800B, 1000A, 1000B; All
Hawker 800 (including Major Variant U125A,
Serials 258245, 258247, 258250, 258268,
258288, 258305, 258306, 258325,258333 and
258341); Hawker 800XP, Serials 258266, 258277
through 258304, 258307 through 258324, 258326
through 258332, 258334 through 258340, 258342
through 258347, 258349 through 258359, 258361
through 258369, 258371 through 258380, 258382
through 258406, 258408 through 258425, 258434
and 258447; All Hawker 1000.
SB 34-3216
Jul 2004
3
O
34
* Superseded by SB 34-3672
BAe 125 Series 1000; Hawker 1000.
SB 34-3223
Aug 1999
-
O
34
Navigation - Temporary sealing pitot/static and
stall vent drain valves with RTV sealant
All DH 125 Series 1A, 1A-522, 3A, 1A/R-522,
3A/R, 1A/S-522, 3A/RA, 400A; All HS 125 Series
1B, 1B-522, 1B/R-522, 1B/2-522, 3B, 3B/R,
3B/RA, 3B/RB, 3B/RC, F3B, F3B/RA, 400B,
400B/1, 401B, 403A(C), 403B, F400B, F403B,
600A, 600B, 600B/1, 600B/2, 600B/3, F600B,
700A, 700B; All BH 125 Series 400A, 600A; All
BAe 125 Series 800A, 800B, 1000A, 1000B; All
Hawker 800; Hawker 800XP; All Hawker 1000.
SB 34-3236
Sep 2000
3
R
34-00
Navigation - Year 2000 Readiness Software
Anomaly
All RAC Models delivered prior to January 1, 2000
SB 34-3248
Oct 2000
1
O
34
Navigation - Introduction of Interposers (Filters)
on Multi-Function Display (MFD) Symbol
Generator and Symbol Generators 1 and 2
Hawker 800XP, Pre Mod. 25F867A, when
equipped with Honeywell Flight Control Systems.
SB 34-3249
Jan 2001
1
R
34
Navigation - Installation of nose avionics
exhaust fan filter to reduce electro-magnetic
interference
Hawker 800 XP, Aircraft Serial Numbers 258277,
258279, 258283, 258284, 258288, 258305,
258306, 258318, 258324, 258327, 258328,
258358, 258369 and 258380 (aircraft equipped
with Collins avionics and Baker audio systems).
12/24/2008
Page 153 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 34-3282
Description
Effectivity
Aug 1999
-
R
34
Navigation - Modification of pitot/static and stall
vent drain valves
All DH 125 Series 1A, 1A-522, 3A, 1A/R-522,
3A/R, 1A/S-522, 3A/RA, 400A; All HS 125 Series
1B, 1B-522, 1B/R-522, 1B/2-522, 3B,3B/R,
3B/RA, 3B/RB, 3B/RC, F3B, F3B/RA, 400B,
400B/1, 401B, 403A(C), 403B, F400B, F403B,
600A, 600B, 600B/1, 600B/2, 600B/3, F600B,
700A, 700B; All BH 125 Series 400A, 600A; All
BAe 125 series 800A (including major variants
C29A and U125), 800B, 1000A, 1000B; All
Hawker 800 (including Major variant U125A,
Serials 258245, 258247, 258250, 258268,
258288, 258305, 258306, 258325, 258333,
258341); Hawker 800XP, Serials 258266, 258277
through 258304, 258307 through 258324, 258326
through 258332, 258334 through 258340, 258342
through 258347, 258349 through 258359, 258361
through 258369, 258371 through 258380, 258382
through 258406, 258408 through 258425, 258434
and 258447; All Hawker 1000.
SB 34-3292
Aug 2001
1
M
34
Navigation - Inspection/replacement of the
Honeywell attitude heading reference system
(AHRS) resistors
Hawker 800XP equipped with Honeywell Single
’LASEREF’ or Honeywell AHRS, including serials
258279 through 258282, 258285 through 258287,
258289 through 258304, 258307 through 258317,
258321, 258323, 258329, 258330, 258332,
258335 through 258340, 258343 through 258347,
258349, 258350, 258353 through 258356,
258358, 258359, 258361 through 258369,
258371 through 258380, 258382 through 258395.
SB 34-33
Oct 1968
-
R
34
Pitot/static system. To improve pipe-runs in
instrument static system.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522,1B,
1B, 1B-522, 1B/S-522, 1B/R-522, 3, 3A, 3B,
3A/R, 3B/R, 3A/RA and 3B/RA.
12/24/2008
Page 154 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-3368
Oct 2002
3
O
34
Navigation - Modification of wiring to enable the
autopilot disconnect horn to be on in a
continuous state
Hawker 800XP serials 258297 through 258304,
258307 through 258324, 258326 through 258332,
258334 through 258340, 258344, 258345,
258347, 258349, 258354 through 258356,
258358, 258359, 258361 through 258369,
258371 through 258380, 258382 through 258406,
258408 through 258426, 258428 through 258444,
258446 through 258468, 258470 through 258492,
258494 through 258512, 258514 through 258532,
258534 through 258540, 258542 through 258555
and 258557 through 258566 equipped with the
Honeywell Avionics Suite and Hawker 800XP
aircraft with the Honeywell Avionics Suite installed
by STC SA7377SW. Aircraft Serial Number
258450 and subsequent incorporating JAR-AWO
Cat II Aural Warning per Drawing No. 138-339016
installed during completion meet the intent of this
Service Bulletin and no further action is
necessary.
SB 34-3381
Mar 2004
5
O
34
Navigation - Air data computer increased
accuracy (Rockwell Collins)
BAe.125 Series 800A Major Variant C-29A
equipped with Rockwell Collins ADC-82A Air Data
Computers.BAe.125 Series 800A and 800B
equipped with Rockwell Collins ADC-82A Air Data
Computers.
SB 34-34
Dec 1968
-
I
34
To introduce Smiths Mod.02 to mach switch
1402/KMB/CP/1.
Series 3A, 3A/R, 3A/RA and 400A
SB 34-3412
Mar 2001
-
M
34
Navigation - Replacement of Rosemount Pitot
Probes
Hawker 800XP, Serial 258266, and Serials
258277 through 258500.
SB 34-3415
Oct 2000
-
O
34
Air data computer increased accuracy
(Honeywell)
BAe 125 Series 1000A, Serials 259005, 259012
through 259015, 259020, 259023 and 259033,
when equipped with Honeywell AZ-810 Air Data
Computer P/N 7000700-945.
SB 34-3432
Mar 2001
-
O
34-00
NAVIGATION - Introduction Of Traffic Alert And
Collision Avoidance System (TCAS) Change 7
Raytheon Aircraft Beechjet Model 400A, Serials
RK-1 through RK-299, RK-301 through RK-325,
and RK-327 and after when equipped with a
Rockwell Collins TCAS-94 TTR-920 TCAS
Receiver/Transmitter.
SB 34-3454
Apr 2001
-
O
34
Navigation - Introduction of traffic alert and
collision avoidance system (TCAS) Change 7
BAe. 125 Series 800A, Hawker 800/800XP
aircraft equipped with Rockwell Collins TCAS-94
Unit (TTR-920, P/N 622-8971-120) installed by
STC SA8768SW up to and including 258505 and
258507.
12/24/2008
Page 155 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-3462
Apr 2001
-
O
34
Introduction of traffic alert and collision
avoidance system (TCAS) Change 7
BAe. 125 Series 800A, Hawker 800/800XP
airplanes equipped with Honeywell/L3
Communications TCAS-2000 Unit (RT-951, P/N
7517900-55002) installed by STC ST09461SC up
to and including 258505 and 258507.
SB 34-3463
May 2001
-
O
34
Introduction of traffic alert and collision
avoidance system (TCAS) Change 7
BAe. 125 Series 800A, Hawker 800/800XP
airplanes equipped with Honeywell/L3
Communications TCAS II Unit (RT-910, P/N
4066010-904) installed by STC SA8588SW up to
and including 258505 and 258507.BAe. 125
Series 1000A and Hawker 1000 airplanes
equipped wit
SB 34-3502
Jan 2002
-
M
34
Navigation - Suspension of approval to operate
in RVSM airspace
Hawker 800XP, Serials 258514, 258515, 258518
through 258522, 258524 through 258527, 258529
through 258531, 258537, 258539 and 258544.
SB 34-3503
Feb 2002
1
R
34
Navigation - Restoration of RVSM group
approval
Hawker 800XP, Serials 258514, 258515, 258518
through 258522, 258524 through 258527, 258529
through 258531, 258537, 258539 and 258544.
SB 34-3517
Jan 2003
1
O
34
Navigation - Air Data Computer Increased
Accuracy (Collins)
Hawker 800XP, Serial Numbers 258541, 258556,
258567 through 258586.
SB 34-3535
Jul 2002
-
R
34
NAVIGATION & PITOT/STATIC MODIFICATION TO CORRECT ERRONEOUS
OPERATION OF THE COLLINS ALT-4000
RADIO ALTIMETER
Hawker 800XP, Serial Numbers 258278, 258541,
258556 and 258567 through 258585, equipped
with Collins Pro Line 21 Avionics and Collins
ALT-4000 Radio Altimeter.
SB 34-3556
Dec 2002
-
R
34
NAVIGATION - Introduce Flight Management
System (FMS) Performance
Hawker 800XP, Serials 258541, 258556, 258567
through 258614.
SB 34-3557
Dec 2002
-
R
34
Navigation - Reduce N1 Amber Annunciations
Hawker 800XP, Serials 258541, 258556, 258567
through 258614.
SB 34-36
May 1970
2
O
34
Radio navigation. To improve performance of
VOR aerial system.
All Series up to and including 3B/RA and A/C
25062 069
SB 34-3628
Nov 2003
-
R
34
Navigation - Installation of Improved Pitot
Probes
Mitsubishi Model MU-300, Serials A003SA
through A091SA; Model 400 Beechjet, Serials
RJ-1 through RJ-65; Model 400A Beechjet,
Serials RK-1 through RK-374.
SB 34-3642
Feb 2004
-
O
34
Navigation - Collins FMS-6000 Version 2.2
Upgrade
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258669.
12/24/2008
Page 156 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-3643
Feb 2004
-
O
34
Navigation - Avionics Modification for Updated
Flight Identification
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258669.
SB 34-3650
Mar 2005
1
O
34
Navigation - Avionics Modification for Updated
Flight Identification
400A, Beechjet, Serials RK-118, RK-140 through
RK-353; 400A, Hawker 400XP, Serials RK-354
through RK-377.
SB 34-3651
Jan 2004
-
R
34
NAVIGATION - ELIMINATION OF POSSIBLE
ERRONEOUS GLIDE SLOPE INDICATIONS
ON THE RNZ-850 INTEGRATED NAV UNIT
BAe.125 Series 800A, BAe.125 Series 800B,
Hawker 800, Hawker 800XP and Hawker 1000, if
equipped with Honeywell RNZ-850 Integrated
Nav Unit P/N 7510100-911 or 7510100-931.
SB 34-3655
Mar 2004
-
R
34
Navigation - Update of FMS Vspeeds Database
Hawker 800XP, Serials 258278, 258541, 258556
and 258567 through 258669.
SB 34-3661
Jun 2004
1
R
34
Navigation - JAR AWO 268 Wiring Modification
of Radio Altimeter
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258689.
SB 34-3672
Nov 2004
1
O
34
Navigation - Modification of air data computers
to remove speed limitations
BAe. 125 Series 1000 and Hawker 1000.
SB 34-3695
Dec 2007
1
O
34
Navigation - Disablement of FL180 Alert
This Service Bulletin has been revised to
announce that airplanes equipped with the
Integrated Flight Information System (IFIS) are
excluded from the Effectivity. Hawker 800XP,
Serials 258541, 258556, 258567 and subsequent
equipped with Collins Pro Line 21 avionics.
SB 34-3714
Mar 2005
-
O
34
Navigation - Avionics modification for updated
flight identification
Honeywell Equipped Hawker 800XP, Serials
258366 through 258540, 258542 through 258555
and 258557 through 258566.
SB 34-3716
Apr 2006
-
O
34
Navigation - Avionics Modification For
Enhanced Flight Identification
Raytheon Aircraft Model 400A Beechjet, Serials
RK-118, RK-140 through RK-353; Raytheon
Aircraft Model 400A Hawker 400XP, Serials
RK-354 through RK-417.
SB 34-3717
Apr 2006
-
O
34
Navigation - Avionics Modification for
Enhanced Flight Idendification
Hawker 800XP, Serials 258541, 258556, and
258567 through 258716 equipped with Rockwell
Collins ProLine 21 Flight Management System
(FMS) Software Version 2.2 or higher.
SB 34-3722
Jun 2006
1
O
34
Navigation - Collins FMS-6000 Version 3.0.3
Upgrade from Version 2.2
Hawker 800XP, Serials 258541, 258556, 258567
through 258669, 258670 through 258716 and
258718 through 258722, if equipped with FMC
822-0868-051.
12/24/2008
Page 157 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 34-3750
SB 34-3752
Description
Effectivity
Mar 2006
-
O
34
Navigation - Collins FMS-6000 Version 2.2
Upgrade with Weather Graphics CDU(S)
Hawker 800XP, Serial Numbers 258541, 258556,
258567 through 258698, 258700 through
258716,258718 through 258722 (if equipped with
Weather Graphics CDU’(s) P/N 822-1485-102 per
STC ST10183SC).
Mar 2006
-
O
34
Navigation - Avionics modification for updated
flight identification for Aircraft equipped with
weather graphics CDU(S) (COLLINS PRO
LINE 21)
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258669 (if Service
BulletinNo. 34-3750 is accomplished prior to or
concurrent with accomplishment of this Service
Bulletin).
12/24/2008
Page 158 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 34-3794
Dec 2006
Rev No
*Class
Chapter
1
O
34
Description
Effectivity
Navigation - Redefinition and Identification of
RVSM Critical Area
BAe.125 Series 800A, BAe.125 Series 800B,
Hawker 800 and Hawker 800XP equipped with
Honeywell SPZ-8000 avionics with either Mod
25F731A or Raytheon Aircraft Company Service
Bulletin 34-3110 embodied. BAe.125 Series
800A, BAe.125 Series 800B, Hawker 800 and
Hawker 800XP equipped with Rockwell Collins
EFIS-86 avionics (with Collins ADC-86) with
either Modification 25F731B or Raytheon Aircraft
Company Service Bulletin 34-3166 embodied.
BAe.125 Series 800A and BAe.125 Series 800B
equipped with Rockwell Collins EFIS-85 avionics
(with Collins ADC-82A) with Raytheon Aircraft
Company Service Bulletin 34-3381 embodied.
Hawker 800XP equipped with Collins ProLine 21
avionics, Serials 258541, 258556, 258567 thru
258586 with Raytheon Aircraft Company Service
Bulletin 34-3517 embodied and Serials 258587
thru 258609, 258611 thru 258628, 258630 thru
258684 and 258686 and subsequent. Hawker
850XP equipped with Collins ProLine 21 avionics,
Serials 258750 thru 258788, 258795 and 258802
with Raytheon Aircraft Company Service Bulletin
01-3776 (To Introduce the Conversion of Model
800XP Aircraft to Model 850XP Aircraft)
embodied and Serials 258789 thru 258794,
258796, 258798 thru 258801, 258803 and
subsequent. BAe.125 Series 800A, BAe.125
Series 800B and BAe.125 Series 800A (C-29A)
equipped withRockwell Collins EFIS-85 avionics
(with Collins ADC-82A) with Raytheon Aircraft
Company Service Bulletin 34-3881 embodied.
Hawker 800XP equipped with Collins ProLine 21
avionics, Serials 258541, 258556, 258567
thru258586 with Raytheon Aircraft Company
Service Bulletin 34-3517 embodied and Serials
258587 thru 258609, 258611 thru 258628,
258630 thru 258684 and 258686. Hawker 850XP
equipped with Collins ProLine 21 avionics, Serials
258750 thru 258788, 258795and 258802 with
Raytheon Aircraft Company Service Bulletin
01-3776 (To Introduce the Conversionof Model
800XP Aircraft to Model 850XP Aircraft)
embodied and Serials 258789 thru
258794,258796, 258798 thru 258801, 258803
and subsequent.
12/24/2008
Page 159 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 34-38
Jan 1969
SB 34-3821
Jun 2007
SB 34-3834
Oct 2007
SB 34-3836
Rev No
*Class
Chapter
Description
Effectivity
-
O
34
To introduce improved CSI Pt. No.
PW/202/AMA/6.
Series 3B, 3B/R, 3B/RA and 400B
R
34
Navigation - Mode S Wiring Correction for
Enhanced Surveillance
Hawker Beechcraft Model 400A Beechjet, Serials
RK-170, RK-270, RK-300, RK-309 and RK-318
with Raytheon Aircraft Company (RAC) (currently
Hawker Beechcraft Corporation) Kit 128-3413
installed per Optional Service Bulletin 34-3716.
Hawker Beechcraft Model 400A (Hawker 400XP),
Serials RK-418 through RK-511.
-
O
34
Navigation – Introduction of Honeywell EGPWS
Software Enhancements with Optional RAAS
Upgrade
Hawker Beechcraft Model 400A Beechjet, Serials
RK-329 through RK-353; Hawker Beechcraft
Model 400A (Hawker 400XP), Serials RK-354
through RK-529. Airplane serial number RK-513
meets the intent of this Service Bulletin and may
claim Service Bulletin compliance with no further
action required.
Jun 2007
-
O
34
Navigation - Collins FMS-6000 Version 3.3.1
Software Upgrade from Version 3.0.3
Hawker 800XP and Hawker 850XP, Serials
258541, 258556, 258567 through 258860, if
equipped with Collins Flight Management
Computer (FMC) P/N 822-0868-069 (Collins FMS
Software Version 3.0.3).
SB 34-3846
Nov 2007
1
R
34
Navigation - Transponder Modification
Hawker Beechcraft Model 400A Beechjet, Serials
RK-1 through RK-353 equipped with TDR-94
Mode-S Transponders, Rockwell Collins Part
Numbers (P/Ns) 622-9352-004/-005/-007/-008 or
TDR-94D Mode-S Transponders, Rockwell
Collins P/Ns 622-9210-004/-005/-007/-008;
Hawker Beechcraft Model 400A (Hawker 400XP),
Serials RK-354 through RK-529 equipped with
TDR-94 Mode-S Transponders, Rockwell Collins
P/Ns 622-9352-004/-005/-007/-008 or TDR-94D
Mode-S Transponders, Rockwell Collins P/Ns
622-9210-004/-005/-007/-008.
SB 34-3860
Jan 2008
-
O
34
Navigation - Upgrade of the Rockwell Collins
GPS-4000A to a GPS-4000S
Hawker 800XP and Hawker 850XP, Serial
Numbers 258541, 258556, 258567 and
subsequent; Hawker 900XP, Serial Numbers
HA-1 through HA-43. If you are no longer in
possession of the airplane, please forward this
information to the present owner.
SB 34-3861
Oct 2008
-
O
34
Navigation - Rockwell Collins Global
Positioning System (GPS) Upgrade from
GPS-4000 or GPS-4000A to GPS-4000S
Beechjet Model 400A, Serials RK-118 and
RK-140 through RK-353; Hawker 400XP, Serials
RK-354 through RK-547.
12/24/2008
Page 160 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-3872
Mar 2008
-
R
34
Navigation - Introduction of 900XP V-Speed
and Performance Databases
Hawker 900XP, Serial Numbers HA-1 through
HA-56
SB 34-39
Oct 1969
1
R
34
Radio navigation. To introduce revised
suppressed VOR/LOC aerials in fuselage nose.
Series 400A and 400B
SB 34-3901
Nov 2008
-
O
34
Navigation - Mode S Enhanced Surveillance
Transponder Installations
Model 4000, Serials RC-7 through RC-29.
SB 34-4
May 1965
1
I
34
To provide structural provision for Sperry thin
flux detector.
Series 1, 1A and 1B
SB 34-40
Feb 1969
-
I
34
To introduce combined speed indicator
PW/202/AMA/4 in lieu of PW/202/AMA/1.
Series 3B, 3B/R, 3B/RA and 400B.
SB 34-41
Feb 1969
-
I
34
To introduce Smiths Mod.02 to Turn and Slip
indicator PW/1203 KTS/BR/1.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B.
SB 34-42
Feb 1969
-
I
34
Weather radar system. Modification to weather
radar power supplies.
Series 3B/RA (A/C 25162 165 to 168)
SB 34-43
Apr 1969
-
I
34
To introduce Smiths Mod.01 to Mach Switch
1402 KMB/CP/1.
Series 3A, 3A/R, 3A/RA and 400A
SB 34-44
Sep 1969
1
O
34
Introduction of suppressed ADF sense aerials.
Series 1, 1A, 1A/522, 1A/S-522, 1B, 1B/522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3B/R, 3A/RA
and 3B/RA.
SB 34-45
Mar 1972
1
O
34
Radio navigation. To introduce suppressed
VOR/LOC aerials in fuselage nose in lieu of
external aerials on the fin.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3A/R 3A/RA 3B 3B/RA
SB 34-46
Oct 1970
1
I
34
To introduce Sperry Mod.H to Compass
Indicator 1784460-656.
Series 3B (A/C 25015 062 069)
SB 34-47
Dec 1970
-
O
34
Stall detector system. Static source transfered
from S2 to S6.
Series 400A (A/C NA711 to 717)
SB 34-48
Aug 1969
-
I
34
To introduce Smiths Mod.04 to Vertical speed
indicator. (PW 104-RC1).
Series 3B, 3B/RA and 400B
SB 34-49
Aug 1969
-
I
34
To introduce Smiths Mod.02 to Vertical speed
indicator. (PW 104-RC1).
Series 3, 3B/RA and 400B
SB 34-5
Dec 1970
1
O
34
Turn and Slip Indicator. To introduce Smiths
Mod.04 on KTS/0410/W Turn and Slip
Indicator.
Series 1, 1A, 1A-522 and 1B
12/24/2008
Page 161 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-50
Aug 1969
-
I
34
To introduce Smiths Mod.03 to Vertical speed
indicator. (PW 104-RC1).
Series 3, 3B/RA and 400B
SB 34-51
Nov 1970
-
R
34
Introducing modified gear to Servo Altimeter
WL.704AM/FA/1. Smiths Mod.01.
All B Series A/C prior to 400 Pre Smiths Mod.01
SB 34-52
Oct 1970
-
I
34
Mach / ASI. To introduce Smiths Mod.03.
Model HS.125 series 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B.
SB 34-53
Mar 1970
-
R
34
To introduce altitude reporting from the ATC
Transponder.
Series 1 (A/C 25006)
SB 34-54
Nov 1970
-
R
34
VOR/LOC supressed aerial box. Deletion of
attachment bracket.
Model DH.125 and HS.125 - Series 400A and
400B
SB 34-55
Dec 1970
-
I
34
Servo altimeter. Addition of tag panels and
components.
Series 1B 3B
SB 34-56
Dec 1970
-
I
34
Servo altimeters. Introduction of independent
integral bonding.
Series 1B 3B
SB 34-58
Dec 1970
-
O
34
Servo altimeters. Reduction of possibility of
warning flag sticking.
Series 1B 3B
SB 34-59
Jun 1971
1
I
34
VOR/LOC aerial. Improved sealing.
Model DH.125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA. Model HS.125 Series 1, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B and 3BRA.
SB 34-6
Dec 1970
1
O
34
To introduce Smiths Mod.07 on altimeter
KAA/1603/W1(Smiths SB34-99).
Series 1, 1A, 1B and 3B (A/C 25015)
SB 34-61
Dec 1970
-
I
34
Servo altimeters. Improved method of mounting
the unit in the case.
Series 1B 3B
SB 34-62
Dec 1970
-
I
34
Stall detector switch. To eliminate switch
rejections during production flight testing.
Model DH.125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125 Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B.
SB 34-63
May 1971
-
R
34
Mechanical counter pointer altimeter
WL801/AM/CP/1. Counter gears with improved
surface finish introduced.
Model HS.125 Series 3B/RA and 400B
SB 34-64
Mar 1971
-
O
34
Servo altimeter WL704/AM/FA/1. Digitiser
bridge dowelled to middle plate and shorter
screws at bearing bracket and pin assy.
Series 3B/RA and 400B
12/24/2008
Page 162 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-65
Mar 1971
-
I
34
Radio magnetic indicator PW16RNA/CP/2 and
PW404RNA/CP/2. Replacement of obsolete
diodes and rework of amplifier assembly.
Model HS.125 Series 1 and 1A
SB 34-66
Mar 1971
-
I
34
Inverter FI48 for artificial horizon. STC
capacitors replace ERIE capacitors and toroid
plate and components assembly to suit.
Model HS.125 Series 400B
SB 34-67
Mar 1971
-
R
34
Servo altimeter WL704AM/FA/1. Redesigned
gear box and static connector.
Model HS.125 Series 3B/RA and 400B
SB 34-68
Mar 1971
-
O
34
Mechancal counter pointer altimeter
WL801AM/CP/1. New camshaft assembly
increasing baroscale length.
Model HS.125 Series 3B/RA and 400B
SB 34-69
Mar 1971
-
I
34
Servo altimeter WL704AM/FA/1 and
WL707AM/FA/1. Improved method of mounting
unit in case (Smiths Mod.10 SB34-327).
Model HS.125 Series 1
SB 34-7
Dec 1970
1
O
34
To introduce Smiths Mod.08 on altimeter
KAA/1603/W1(Smiths SB34-93 rev1).
Series 1, 1A, 1B and 3B
SB 34-70
Mar 1971
-
R
34
Mechanical counter pointer altimeter
WL801AM/CP/1. Baroscale counter replaced
by re-designed all Delrin counter assy.
Series 3B/RA and 400B
SB 34-71
Jun 1971
-
O
34
Servo altimeter WL704AM/FA/1 and
Wl707AM/FA/1. New camshaft with extended
cam and new cam follower introduced.
Model HS.125 Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3B/RA and 400B
SB 34-73
Aug 1971
-
I
34
Indicating accelerometer KAE/0701/W.
Re-designed ratchet springs and improved
magnet to backplate adhesive.
Model HS.125 Series 400B
SB 34-74
Aug 1971
-
O
34
Servo altimeters PW150/AM/PC and
WL160/AM/PC . Introduction of new rear cover
incorporating modified static connector.
Model HS.125 Series 3B and B/RA
SB 34-75
Sep 1971
-
I
34
Amplifier for servo altimeter. Additional
capacitors in servo altimeter amplifier.
Model HS.125 Series 3B and 3B/RA
SB 34-76
Nov 1971
-
I
34
Reduces possibility of interference between
gimbal frame clamp and gyro wheel shaft
retaining plate of artificial horizon FH15G.
Model HS.125 Series 3B/RA and 400B
SB 34-77
Nov 1971
-
I
34
Gyrosyn compass system. Slaving amplifier
2585703 - addition of fuse to protect power
transformer.
Model HS.125 Series 3B
12/24/2008
Page 163 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 34-80
Nov 1971
-
O
34
Compass system. Sperry thin flux valve
Silicone rubber coating is added to obviate the
possibilty of corrosion.
Model HS.125 Series 3B and 3B/RA
SB 34-83
Nov 1972
-
O
34
Introduction of three fixed levels of illumination
for annunciator lights.
Model HS.125 Series 3BRA and 400B
SB 34-8A
Dec 1970
1
O
34
To introduce Smiths Mod.04 on Mach/ASI
switch 0421/KMB/CP/1 (Smiths SB31-66).
Series 1, 1A, 1A-522,1B and 3B
SB 34-8B
Dec 1970
1
O
34
To introduce Smiths Mod.04 on Mach/ASI
switch 0423/KMB/CP/1 (Smiths SB31-66).
Series 1, 1A, 1A-522, 1B and 3B
SB 34-9
Apr 1965
-
O
34
To introduce mechanism Mod.CN3961 on
Altitude Warning Unit M2019 (Mechanism Mod
leaflet 102).
Series 1, 1A and 1B
SB 34-A134
Apr 1978
-
M
34
RCA AVQ21 and Primus 40 Weather rader.
Defective mounting tray.
HS.125 Series 403, 600 and 700.
12/24/2008
Page 164 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 35
Oxygen
SB 35-1
Nov 1970
1
I
35
Introduction of barometric control valve
WKA28790/3.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B and 3B/RA
SB 35-10
Mar 1968
-
O
35
To provide a filter in the oxygen system
downstream of the oxygen bottle to protect the
pressure regulator.
Series 1, 1A, 1B, 3, 3A and 3B
SB 35-11
Jul 1968
2
R
35
To introduce oxygen regulators ARO 15830E in
place of Scott regulators 10400-13.
Series 1B and 3B (see Description)
SB 35-12
Jun 1978
2
O
35
To introduce Walter Kidde Mod.6334 to oxygen
cylinders (WK SB35-46).
Series 1, 1A, 1A/522, 1A/S-522, 1B, 1B/522,
1B/R-522, 1B/S-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 35-13
Jan 1969
-
I
35
To introduce DAMIC oxygen shut off valve. Pts
A B - SDV 826 to replace SDV 543 Pt C - SDV
920 to replace SDV 633.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 35-14
Oct 1970
1
O
35
Pressure regulator WKA 29720. To introduce
filter (Walter Kidde Mod.6430 SB 35-48).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3AR, 3ARA, 3B, 3BRA,
400A and 400B
SB 35-15
Nov 1970
-
I
35
Shut off valve. To introduce SDV 826/1 in lieu
of SDV 826.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR and 3ARA. Model HS.125, Series 1 ,1B,
1B-522, 1B/R-522, 1B/S-522, 3B and 3BRA
SB 35-16
Jan 1974
2
R
35
To introduce oxygen bottles in rear fuselage in
lieu of nose mounted bottles.
Model DH.125, Series 400A. Model HS.125,
Series 400B
SB 35-16 - INSP
Mar 1973
-
R
35
Third oxygen cylinder. Insufficient clearance at
rudder control cable.
Model DH.125, Series 400A. Model HS.125,
Series 400B
SB 35-17
May 1971
-
I
35
Duplex drop-out mask unit WKA 29607 and
WKA 33357. Flow indicator WKA 30339
replaces WKA 27166.
Model HS.125, Series 1, 1-521, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B
SB 35-18
Apr 1971
-
R
35
Hose connecting toilet oxygen drop-out unit to
cabin system. New hose of improved material.
Model HS.125, Series 3B/RA and 400B
SB 35-19
Mar 1972
-
R
35
Storage cylinders. Suspected contamination.
Applicable to HS/BH 125 aircraft, Series 400A
and 400B
12/24/2008
Page 165 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 35-2
Nov 1970
1
O
35
Damic supply valve. To introduce valve
SDV543/1 in lieu of SDV543.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA and
3B/RA
SB 35-20
Jun 1972
-
O
35
To prevent the oxygen screen tube at the bottle
connections being locally overheated a
fibreglass guard is fitted.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 35-21
Oct 1980
1
O
35
Oxygen - Master supply valve SDV826/1
replaced by Walter Kidde valve WKA35831 at
master and cabin supply - piping altered to suit
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 35-23
Mar 1977
3
R
35
Fuel & APU. To aviod contamination of the
oxygen charging panel.
Model BH.125 Series 400A and 600A. Model
HS.125 400B, 401B, 403B and 600B.
SB 35-24
Aug 1974
-
O
35
Bottle installation. A stop block is introduced to
reduce the possibility of rudder bias pipes
fretting the RH main oxygen bottle.
Model BH 125, Series 400A and 600A. Model HS
125, 400B, 401B, 403B and 600B
SB 35-26 - 256987
Apr 1984
5
I
35
To introduce third oxygen bottle (750 litre) and
piping.
All Series 700 and variants
SB 35-27
May 1979
-
M
35
Oxygen - Pressure regulator WKA 29720.
Possible contamination of spares items.
Applicable to items held as spare or in store for all
HS/DH/BH 125 Series aircraft
SB 35-28
Mar 1982
2
I
35
Cylinder WKA37447 replaces WKA 31393.
Stop block for RH main cylinder modified to
suit.
Model HS/BH/B.A.e 125, Series 600, 700 and all
variants
SB 35-29
Feb 1980
-
M
35
Master valve SDV826 series. leakage
Instances have occurred of master valve high
flow internal leakage due to seal deterioration.
Applicable to all HS/DH/BH 125 aircraft
pre-modification 252239, Series 1, 1-521, 1-522,
1A, 1A-522, 1A/S-522, 1B, 1B-522, 1B/R-522,
1B/S-522, 3A, 3A/R, 3A/RA, 3B, 3B/RA, 3B/RC,
F-3B, F-3B/R, 400A, 403A (C), 400B, 403B,
F-400B, 600B and F-600B
SB 35-3
Nov 1970
1
R
35
Introduction of Walter Kidde socket
WKA30912/1 (Mod.6167).
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B/S-522,
1B/R-522, 3A and 3B
SB 35-30
Dec 1980
-
O
35
Oxygen - To introduce a replacement oxygen
contents gauge
Model DH/HS 125, Series 1, 3 and all variants.
Model HS/BH 125, Series 400, 401, 403, 600 and
all variants.
12/24/2008
Page 166 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 35-3014
Sep 1997
-
M
35
Inspection of passenger oxygen face mask for
possible tears in face cushion.
Airplanes with Puritan-Bennet C351-2000 series
passenger oxygen face masks installed bearing
an elastomer cure date of the first or second
quarter of 1994
SB 35-3034
Dec 2000
1
M
35
Oxygen - To introduce replacement oxygen
fittings in lieu of fittings incompatible with the
oxygen system
BAe 125 Series 800A/B, Hawker 800 and Hawker
800XP Serials 258266, 258277 through 258290
which are Pre Mod. 258497, 258895A, 258980A,
or 259120A and Pre Mod. 253596A.
SB 35-31
Dec 1980
-
R
35
To introduce modified feed pipe at flight deck
oxygen socket.
Series 700A and 700B
SB 35-3115
Dec 1998
-
O
35
Oxygen - Introduction of replacement
Puritan-Bennett crew oxygen masks
DH/BH/HS/BAe 125 Series 3A/3B, 400A/400B,
600A/600B, 700A and 700B which are Pre-Mod.
252678 and Post-Mod. 256140.
SB 35-3167
Sep 1998
-
M
35
To introduce replacement oxygen fittings in lieu
of fittings incompatible with the oxygen system
All BAe 125 Series 1000A, 1000B and Hawker
1000 which are Pre Mod. 253357B (Introduction
of third oxygen bottle).
SB 35-3168
Sep 1998
-
M
35
To introduce replacement oxygen fittings in lieu
of fittings incompatible with the oxygen system
All BAe 125 Series 1000A, 1000B and Hawker
1000 which are Post Mod. 253357B (Introduction
of third oxygen bottle).
SB 35-3169
Sep 1998
-
M
35
Oxygen - To introduce replacement oxygen
fittings in lieu of fittings incompatible with the
oxygen system
All DH/BH/HS/Bae 125 series 1A/1B, 3A/3B,
400A/400B, 600A/600B and 700A/700B
SB 35-3170
Dec 2000
-
M
35
Oxygen - To introduce replacement oxygen
fitting in lieu of fitting incompatible with the
oxygen system
BAe 125 Series 800A/B, Hawker 800 and Hawker
800XP
SB 35-3171
Sep 1998
-
M
35
Oxygen - To introduce replacement oxygen
fittings in lieu of fitting incompatible with the
oxygen system
All BAe 125 Series 800 (C29A)
SB 35-32
Nov 1981
-
O
35
Crew. To introduce Eros oxygen mask and
stowage.
Model HS/B.Ae.125, Series 700B and 700A
SB 35-33
Jul 1985
-
I
35
Oxygen - Crew oxygen mask - Possible
insecurity of mask harness assembly
Applicable to all HS/BAe 125 aircraft
SB 35-3316
Jun 2000
1
O
35
Oxygen - Replacement oxygen contents
gauges in the flight compartment and the
oxygen charging box
BAe 125 Series 800 (including Major Variants
C-29A and U-125). Hawker 800 (including major
variant U-125A, (JASDF)) prior to 258407.Hawker
800XP, Serials prior to 258396.
12/24/2008
Page 167 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 35-34
Aug 1989
Rev No
*Class
Chapter
-
R
35
Description
Effectivity
Oxygen - Passenger/therapeutic masks Introduction of new headstraps
All Series with Walter Kidde Passenger Mask
Assembly Pt. No. K38003
12/24/2008
Page 168 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 35-3495
Dec 2002
Rev No
*Class
Chapter
1
M
35
Description
Effectivity
Oxygen Introduction of Scott Protective
Breathing Equipment (PBE)
256025, 256026, 256040, 256046,
256047;256055, 256060, 256066 thru
256069;257005, 257006, 257011, 257014,
257019, 257024, 257029, 257033, 257036,
257038, 257039, 257042, 257044, 257048,
257049, 257052, 257057, 257059, 257060,
257065, 257068, 257069, 257071, 257074,
257075, 257077, 257078, 257081, 257083,
257084, 257086, 257090, 257095, 257098,
257101, 257104, 257106, 257111, 257113,
257114, 257116, 257117, 257119, 257120,
257122, 257123, 257125, 257128, 257129,
257131, 257134, 257135, 257137, 257140,
257141, 257144, 257147, 257148, 257150,
257152, 257154 thru 257158, 257161, 257162,
257165, 257168, 257170, 257171, 257173,
257174, 257176, 257177, 257180, 257182,
257188, 257191 thru 257193, 257195, 257198,
257199, 257201, 257202, 257204, 257206,
257207; 258004 thru 258009, 258011, 258012,
258018, 258020, 258023, 258024, 258027,
258030, 258032, 258035, 258036, 258039,
258041, 258042, 258044 thru 258047, 258049,
258051 thru 258055, 258057, 258059 thru
258063, 258065, 258066, 258069, 258070 thru
258072, 258075, 258080 thru 258084, 258086,
258089, 258090, 258092, 258093, 258095,
258096, 258098 thru 258104, 258108, 258113,
258114, 258117, 258119, thru 258128, 258132,
258135 thru 258142, 258144, 258145, 258147,
258150, 258152, 258153, 258155, 258157,
258160, 258162, 258163, 258168, 258169,
258170 thru 258176, 258178,258179, 258181,
258183, 258185, 258187 thru 258189, 258193,
258195, 258196, 258200, 258202 thru 258204,
258206, 258209, 258214, 258221, 258223,
258225, 258228, 258230, 258231, 258234,
258239, 258241, 258244, 258246, 258248,
258249 and 258251 thru 258254;258255 thru
258265, 258267 and 258269 thru
258276;258266, 258277, 258278 thru 258304,
258307 thru 258324, 258326 thru 258332,
258334 thru 258340, 258344, 258345, 258347,
258349, 258354 thru 258356, 258358, 258359,
258361 thru 258369, 258371 thru 258380,
258382 thru 258406, 258408 thru 258426,
258428 thru 258444, 258446 thru 258468,
258470 thru 258492 and 258494 thru 258511.
12/24/2008
Page 169 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 35-35
Dec 1997
2
O
35
Oxygen - Barometric valve - Introduction of an
alternative barometric valve permitting
operation into high altitude airfields
BAe 125 800A, 800B a/c 258091 and subs.
Hawker 800, 800XP
SB 35-3567
Mar 2003
-
O
35
OXYGEN - Oxygen Servicing Gauge
Replacement
BAe.125 Series 1000A; BAe.125 Series 1000B
and Hawker 1000.
SB 35-36
Jan 1993
-
M
35
Oxygen System - Inspection of oxygen pipe for
possible damage caused by nose wheel
steering control chain operation
Applicable to BAe 125 Series 1000 aircraft
SB 35-3692
Feb 2005
-
O
35
Oxygen - Replacement of Oxygen Gage
BH.125 Series 600A; HS.125 Series 600A, 600B,
600B/1, 600B/2, 600B/3 and F600B; HS.125
Series 700A and 700B.
SB 35-37
May 1992
-
O
35
Introduction of third 750 litre oxygen bottle and
piping.
Series 800 ( 258216 and 258217)
SB 35-3886
Jul 2008
1
M
35
Oxygen - Replacement of Burst Disc Assembly
in P/N WKA27942 Series Filter Assemblies
BH.125 Series 400A; DH.125 Series 400A;
HS.125 Series 400B; HS.125 Series 400B/1;
HS.125 Series 401B; HS.125 Series 403A(C);
HS.125 Series 403B; HS.125 Series F400B and
HS.125 Series F403B, post Mod 252036 or post
Service Bulletin 35-16, if burst disc assembly P/N
WKA30773 was purchased after June 1, 2006;
BH.125 Series 600A; HS.125 Series 600A;
HS.125 Series 600B; HS.125 Series 600B/1;
HS.125 Series 600B/2; HS.125 Series 600B/3;
HS.125 Series F600B; HS.125 Series 700A;
HS.125 Series 700B; BAe.125 Series 800A;
BAe.125 Series 800B; Hawker 800 (including
variants); Hawker 800XP and Hawker 850XP, if
burst disc assembly WKA30773 was purchased
after June 1, 2006; Hawker 800XP and Hawker
850XP, Serial Numbers 258800 through 258901;
Hawker 800 (U-125A), Serial Number 258735;
Hawker 900XP, Serial Numbers HA-0001 through
HA-0048.
SB 35-39
Jun 1993
1
R
35
Flight Deck - Introduction of Eros Crew Mask
with new Mask Lock.
Series 700 and 800 Mod.252678 Pre
Mod.257634A
SB 35-4
Dec 1970
1
O
35
Crew mask. To introduce Walter Kidde oxygen
mask WKA31422/1 in lieu of WKA31422. (WKA
Mod.6148 SB 35-34-6148).
Series 1, 1A, 1B, 1B/S-522 and 1B/R-522
12/24/2008
Page 170 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 35-40
Feb 1994
-
I
35
Control unit. Introduction of an alternative
control unit to permit operation of the aircraft up
to an airfield altitude of 10,000 feet.
BAe 125 Series 1000A and 1000B and Hawker
1000
SB 35-43
Feb 1996
-
M
35
Restricted - See Remarks
Hawker 800 - U125A
SB 35-45
Sep 1996
-
M
35
Oxygen system - Inspection of aircraft oxygen
cylinders, hoses, regulators, panels, valves and
masks for serviceability
Applicable to all DH/BH/HS/BAe 125 Series
1A/1B, 3A/3B, 400A/400B, 600A/600B,
700A/700B; 800A/800B/Hawker 800 including XP
and Major Variants C29A, U125, U125A; 1000,
1000B and Hawker 1000.
SB 35-46
Sep 1996
-
M
35
Oxygen System - Inspection of oxygen system
for possible installation of unqualified flexible
hoses
Applicable to all DH, BH, HS and BAe 125 Series
400A/400B, 600A/600B, 700A/700B;
800A/800B/Hawker 800 including 800XP and
major variants C29A, U125, U125A.
SB 35-5
Jan 1967
-
O
35
Passenger. To introduce an oxygen system
cleared for use at 41000 feet.
Series 1A and 3A
SB 35-6
Jan 1967
-
R
35
Standard oxygen system. To re-introduce
Walter Kidde pressure reducing valve
WKA29720 in place of Normalair OP7580.
Series 1A, 1B, 3A and 3B aircraft embodying
Modification 251630.
SB 35-7
Feb 1967
-
R
35
Supply Master Valve and Passenger Supply
Isolation Valve. Possibility of incorrect
installation.
Applicable to H.S.125 aircraft, all series
SB 35-9
May 1967
1
R
35
Co-pilots supply. Mask hose fouling against RH
sliding window panel 'B'.
Series 1A 1B 3A 3B (A/C 25096 to 126 except
113 117 120 125)
SB 35-A22
Jul 1973
1
M
35
Storage cylinders. WKA 29396/GR14 WKA
29396/GR22 WKA 31393 WKA 31394 Metal
stamping of overhaul dates on cylinder surface.
Applicable to HS/DH/BH 125 aircraft Series 1, 1A,
3A, 3B, 400A, 400B and all variants, 600A and
600B, ftted with overhauled oxygen cylinders
SB 35-A25
Oct 1977
-
M
35
Supply valve. Insecurity of thread insert in
gland bush.
Applicable to HS/DH/BH 125 aircraft, all series
except Series 600 and Series 700
12/24/2008
Page 171 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 38
Water/Waste
SB 38-1
Nov 1972
-
O
38
Flushing toilet M877 variants. To introduce
Parts A & C Retrospective conversion to
bellows operated flush.
Model HS.125 Series 1A/S-522, 3B, 3B/RA and
400B.
SB 38-10
Feb 1978
2
I
38
Wash water pump (Delux toilet). Existing
Karvan 400-00 pump unit is replaced by a
T2-24 type pump and PM-1 pressure monitor.
Model HS 125, Series 600B and 700B
SB 38-11
Oct 1979
-
I
38
Toilet wash water pump. CCC type T2-12S
pump replaces type T2-24 or Karvan type
400-00 pump.
Model HS.125, Series 700A and 600B
SB 38-12
Nov 1983
1
I
38
To introduce new wash water pump Shurflo
1020-814-12 in lieu of T2-12S (CCC) with
monitor.
Model HS 125, Series 600B and 700B
SB 38-13
May 1987
-
R
38
Water/waste - General - Introduction of toilet
washbasin overflow drain
Model HS.125 Series 1B, 3B, 400B and 600B
SB 38-14
Jul 1988
-
I
38
Water/waste - Wash - Modification of Herman
Smith water heater part no. H0800, H0800 Mod.1, HE71001 and HE71005
All Series with Herman Smith water heaters Pt.
No. H0800, H0800 Mod.1, HE71001 and
HE71005.
SB 38-16
Jun 1994
-
R
38
To introduce additional protection for
equipment installed under left galley.
BAe 125 Series 1000B
SB 38-18
Nov 1994
-
O
38
To increase the capacity and efficiency of the
Toilet.
BAe 125 Series 1000A, 1000B and Hawker 1000
aircraft
SB 38-19
Feb 1996
2
R
38
Water Waste - Introduction of revised routing of
the vanity unit catchment tray drain line outlet
from Frame 15 to Frame 16
BAe 125 Series 800A, 800B and Hawker 800
Post Mod. 25A013A or Post Mod. 25A059B or C
SB 38-2
Jan 1974
-
R
38
Toilet flushing switch. Possibility of switch
button jamming in 'ON' position.
Series 600B (A/C 256015 017 019 021 024 027
028 030)
SB 38-3123
Nov 1997
-
O
38
Water/Waste. introduction of new brass sink to
replace the existing aluminum sink.
BAe 125 Series 1000A and Hawker 1000
SB 38-8
Mar 1976
-
O
38
Toilet compartment cold & waste water system.
Mechanically operated valves replace hydraulic
to improve reliability.
Model DH.125, Series 600A. Model HS.125,
Series 600B
12/24/2008
Page 172 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 38-9
SB 38-A4
Description
Effectivity
May 1976
-
O
38
Galley sink overboard drain. Mechanical valve
replaces hydraulic valve and diameter of drain
is increased.
Model H.S.125, Series 600B
Jun 1974
-
R
38
Electrical flushing toilet. On completion of the
flushing cycle instances have occured of the
pump motor continuing to run.
Applicable to HS 125 aircraft Series 600B
12/24/2008
Page 173 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 44
Cabin Systems
SB 44-3565
Dec 2002
-
M
44
Cabin Systems - Deactivation/Modification of
Cabin Entertainment System
Hawker 800XP, Serial Numbers 258377, 258391,
258396 through 258400, 258402 through 258406,
258408 through 258420, 258422 through 258426,
258428 through 258433, 258435 through 258443,
258446, 258448 through 258468, 258470 through
258492, 258494 through 258512, 258514 through
258532 and 258534 through 258603.
SB 44-3597
Apr 2003
-
O
44
Cabin Systems - Time-to-Destination (TTD)
and Destination Identification (ID) in the
Airshow or GENESYS Display Modification
Hawker 800XP, Serials (equipped with Airshow
400) 258570, 258571, 258573 through 258579,
258582 through 258601, 258603 through 258609,
258611, 258612 and 258614. Hawker 800XP,
Serials (equipped with Airshow Genesys) 258541,
258556, 258567 through 258569, 258572,
258580, 258581, 258602 and 258613.
SB 44-3773
Apr 2007
-
O
44
Equipment/Furnishings – Dual DVD Player
Installation
Hawker 800XP and Hawker 850XP, Serial
Numbers 258725, 258730, 258732, 258734,
258741, 258743, 258746, 258756, 258760,
258763 and 258766, if equipped with STC
ST10385SC.
12/24/2008
Page 174 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 46
Information Systems
SB 46-3785
May 2006
-
O
46
Information Systems - Upgrade of FSA-5000
Software
Model 390 Premier I, Serials RB-102, RB-135
through RB-156.
SB 46-3786
Apr 2006
-
O
46
Information Systems - Upgrade to FSA-5000
Software
Hawker 800XP, Serials 258699, and 258744
through 258781 (Kit No. 140-1702 not installed);
Hawker 850XP, Serials 258750 through 258781
(Kit No. 140-1702 installed).
SB 46-3792
Jun 2007
O
46
Information Systems – Upgrade to FSA-5000
Software
Hawker 800XP, Serial Numbers 258644, 258684,
258688, 258701, 258711, 258715, 258717, and
258723 through 258743, if modified by STC
ST01342WI.
SB 46-3817
Feb 2007
R
46
Information Systems - Integrated Flight
Information System (IFIS) Wire Harness
Chafing Inspection/Repair
Hawker 800XP and Hawker 850XP, Serials
258699 and 258744 through 258796, 258798 and
258799
-
12/24/2008
Page 175 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 49
Airborne Auxiliary Power
SB 49-1
Oct 1967
-
I
49
To introduce new items of ground equipment.
Series 1A, 1B, 3A, 3A/R, 3B and 3B/R
SB 49-10
Oct 1970
1
I
49
To introduce AiResearch Mod.14 to APU gas
turbine engine 380302-1 prior to Serial No
28865.
Series 1A, 1A-522, 1A/S-522, 1B/S-522 (A/C
25097), 3A, 3A/R, 3A/RA, 3B, 3B/RA (less A/C
25154, 25157 and 25169), 400A and 400B
SB 49-11
Dec 1969
-
O
49
Introduces uprated fuses and circuit breakers
for APU master & fuel pump. (Mod.25606).
Model HS 125, Series 1B/S-522, 3B and 3BRA.
Model HS 125, Series 3BRA and 400B
SB 49-12
May 1970
-
O
49
Introduces improved protective boot at APU
exhaust door struts.
Model HS.125 Series 1B/S-522, 3B, 3B/RA and
400B
SB 49-13
Aug 1970
-
R
49
Gear case breather pipe connector. Replaced
by counter bored connector
Model HS 125, Series 1B/S-522, 3B, 3BRA and
400B
SB 49-14
Dec 1970
-
R
49
380302-1. Replacement of bearings and oil jet
(AiResearch Mod.11).
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 49-15
Dec 1970
-
O
49
380302-1. Replacement of acceleration control
thermostat.
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 49-16
Dec 1970
-
R
49
380302-1. Introducing new valve & packings
into the Oil Pressure Regulator 354972-3
(AiResearch Mod.18).
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 49-17
Mar 1971
-
I
49
GTCP 30-92 PtNo 380302-1 interchangeability standard. (Air Research 092
Mod.056 sheets 1 and 2).
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
SB 49-18
Apr 1971
-
I
49
Provision of blanks & stowing facilities to permit
aircraft to fly without the APU.
Aircraft affected are B Series equiped with A.P.U.
i.e. post mod. 251605
SB 49-19
Jun 1971
-
R
49
Gas turbine engine GTCP 30-92 (380302-1).
Dispensable oil filter replaces re-usable metalic
filter (AirResearch SB49-1974).
Model HS.125, Series 1B/S-522, 3B, 3BRA and
400B
SB 49-2
May 1968
-
R
49
To re-route the gearbox breather pipe
separately from the drain system to ease
maintenance.
Series 1B/S-522 and 3B (Post Mod. 251605)
SB 49-20
Dec 1971
-
I
49
Gas turbine engine GTCP 30-92. To improve
the centre bearing sealing and gearbox
venting.
Model HS.125, Series 1B/S-522, 3B, 3B/RA and
400B
12/24/2008
Page 176 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 49-23
Aug 1981
5
M
49
Airborne auxiliary power - Introduction of a 275
amp airfuse for A.P.U. start circuit protection
Model HS/BH 125, Series 1, 3, 400, 401, 403 and
all variants. Model HS/BH 125, Series 600 (post
mod. 251605) and all variants.
SB 49-25
Feb 1978
4
O
49
Introduces improved operation of APU inlet and
exhaust doors.
Model DH.125, Series 1A/S-522 and 600A. Model
HS.125, Series 3B, 3BRA, 3BRC, 400B, 403B
and 600B.
SB 49-26
Mar 1979
1
O
49
To introduce a remote located APU oil filter
with improved accessibility
Model DH.125, Series 1A/S-522, 600A and 700A.
Model HS.125, Series 3B, 3BRA, 3BRC, 400B,
403B, 600B and 700B.
SB 49-27
Jan 1978
-
R
49
Cowlings. Possible malalignment between APU
and aspirator.
Applicable to HS 125 Series 700A aircraft with
Mods. 251605 and/or 256817 and/or 258015, and
to HS 125 Series 700B
SB 49-28
Jun 1979
2
M
49
Airborne Auxiliary Power - Mounting - To
improve local attachment of the lower mounting
to the main engine beam
Model DH/HS.125 Ssries 1, 3 and all variants.
Model HS/BH.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 49-29
Jun 1979
1
O
49
A.P.U. - To introduce a modified exhaust
system and revised forward and aft trus side
mounts
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/BH.125, 400, 401, 403, 600 and all
variants. Model HS.125, Series 700 and all
variants.
SB 49-3
May 1968
-
O
49
Cowlings. Re-alignment of APU doors actuator
bracket assemblies.
Series 3B (Aircraft embodying Mod No. 251605
only)
SB 49-30
Mar 1984
-
O
49
Airborne auxiliary power - Engine - Remove oil
filter with repositioned hoses
All Series B Mod.251605 and 257529 (up to and
including Series 700B 257172)
SB 49-3018
Aug 1997
-
M
49
Auxiliary Power - Inspection of auxiliary power
unit (APU) fuel feed hose assemblies for
possible collapse of inner casing and
replacement with new
Hawker 800XP
SB 49-31
Dec 1986
2
M
49
Airborne auxiliary power - Sealing of the
plenum shroud
All DH/HS/BH/B.Ae.125 Series Aircraft up to and
including Aircraft 258030 post mod. 251605 or
258748
SB 49-32
Mar 1986
1
M
49
Airborne auxiliary power - Introduces an APU
to aircraft structure bonding link
All DH/HS/BH/B.Ae. 125 Series Aircraft up to and
including Aircraft 258034 fitted with an auxiliary
power unit to mod. 251605 or 258748.
SB 49-3254
Nov 1998
-
O
49
Airborne Auxiliary Power - Introduction of new
contactor on Panel 'ZK-A'
BAe 125 Series 800 Post Mod. 259404B
(Introduction of Turbomach APU)
12/24/2008
Page 177 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 49-3261
May 2007
-
M
49
Airborne Auxiliary Power Inspection/Replacement of APU Mount Fittings
Hawker 800XP with PATS, Inc. APU Kit installed
under STC No. ST00459NY with investment cast
APU Mount Fittings, Airplane Serial Numbers
258355, 258356, 258358, 258359, 258361
through 258369, 258371 through 258373,
258375, 258376, and 258382.
SB 49-33
Mar 1987
-
R
49
Airborne Auxiliary Power - Centre instrument
panel 'CC' - Introduction of APU control
indication
Series 700B, 800A and 800B
SB 49-3322
Nov 1999
-
O
49
Airborne Auxiliary Power - Replacement of the
auxiliary power unit (APU) Exhaust Heatshield
Hawker 800 and 800XP
SB 49-3346
Feb 2000
-
R
49
Airborne Auxiliary Power - Control Panel Exhaust Gas Temperature (EGT) Indicator
Modification
Hawker 800XP
SB 49-3361
Oct 1999
-
O
49
Restricted - See Remarks
Hawker 800 (U-125A) JASDF, Serials 258245,
258247, 258250, 258268, 258288, 258305,
258306, 258325, 258333 and 258341.
SB 49-34
Mar 1990
-
R
49
Airborne Auxiliary Power - Panel DE Introduction of switch guard for the APU start
switch
Series 800 with Turbomach A.P.U. (BAe. Mod.
259404B)
SB 49-37
Oct 1991
-
M
49
Airborne Auxiliary Power - Ignition/Starting - To
Provide fuse protection to battery supplies in
debris zone
Series 800A and 800B
SB 49-38
Jan 1993
-
O
49
Auxiliary Power Unit - Cross Start - Introduction
of revised electrical circuits for auxiliary power
unit assisted start
Series 1000
SB 49-3819
Feb 2007
-
O
49
Airborne Auxiliary Power - APU Gearbox Drain
Modification
Hawker 800XP/850XP Serials, 258289,258292
through 258294, 258299,258311, 258313 through
258809 equipped with Honeywell GTCP36-150W
APU, not including Hawker 800(U-125A).
SB 49-39
Apr 1993
1
O
49
Cancelled SB - Auxiliary Power Unit - Electrical
Installation - Introduction of twin battery starting
for Turbomach APU
Series 800 Mod.259404B
SB 49-4
Feb 1969
-
I
49
Introduction of AiResearch Mod.10 to APU.
Series 1A, 1A-522, 1B/S-522, 3A, 3B, 3A/R,
3A/RA, 3B/RA, 400A and 400B
SB 49-40
Jun 1992
-
O
49
Airborne Auxiliary Power - Introduction of
Turbomach auxiliary power unit
Series 1000A
12/24/2008
Page 178 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 49-41
Apr 1993
-
R
49
Auxiliary Power Unit - Electrical Installation Removal of twin battery starting for turbomach
auxiliary power unit
Series 800 Post Mod.259890A 259404B (This
Mod. is only applicable to A/C which have
Mod.259890A embodied)
SB 49-42
Oct 1993
-
R
49
Auxiliary Power Unit - Electrical installation Revision to Turbomach APU starting circuitry
Series 800 which are Post Mod.259890A and
Post Mod. 259404B
SB 49-44
Jun 1995
1
M
49
Inspection of APU fuel feed hose assemblies
for clearance with adjacent LH mixer
valve/main air valve assemblies and for signs
of overheating.
Applicable to all BAe 125-1000A, B and Hawker
1000 aircraft Post Mod 259722C
SB 49-45
May 1995
-
M
49
Auxiliary Power - Inspection of APU fuel feed
hose assemblies for clearance with adjacent
LH mixer valve/main air valve assemblies and
for signs of overheating
All Series 800 Fitted with Turbomach APU Post
Mod 259404B (A/C 258091 and on)
SB 49-47
Aug 1995
-
R
49
Introduction of improved standard of conduit for
the auxiliary power unit (APU) fuel feed hose.
BAe 125 Series 800A, 800B and Hawker 800 Pre
Mod. 25A825B and Post Mod. 259404B.
SB 49-48
Jul 1996
1
O
49
Electronic sequence unit. To introduce an
increased overtemperature shutdown setpoint
for in-service evaluation.
Series 1000 (259005)
SB 49-5
Mar 1969
1
I
49
Introducing Smiths Mod.03 to RPM indicators
Pt A - KTD 0704W Pt B - PW1 0708/KTD/CP/1.
Series 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 49-6
Feb 1969
-
I
49
Introducing AiResearch Mod.9 to APU gas
turbine engine 380302-1 (SB 49 1212 Rev 1).
Series 1A, 1A-522, 1A/S-522, 1B/S-522, 3A,
3A/RA, 3B, 3B/RA, 400A and 400B
SB 49-7
Feb 1969
-
I
49
Introducing AiResearch Mod 8 to APU gas
turbine engine 380302-1.
Series 1A-522, 1A/S-522, 1B/S-522, 3A, 3B,
3A/R, 3A/RA, 3B/RA, 400A and 400B
SB 49-8
Apr 1969
-
O
49
To introduce an increased diameter gear case
breather pipe.
Series 1B/S-522, 3B, 3B/RA (Post Mod. 251605)
SB 49-9
Oct 1970
1
I
49
To introduce AiResearch Mod.13 to APU gas
turbine engine 380302-1 prior to Serial No
28859.
Pneumatic and Shaft Power Gas Turbine Engine
Part No. 380302-1-1, Series 1 through 9.
12/24/2008
Page 179 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 51
Standard Practices and Structures - General
SB 51-1
Jul 1966
-
O
51
Wing fairing attachment. To introduce bolts in
lieu of rivets at attachment plates for side
fairings.
Series 1, 1A, 1B, 3, 3A and 3B
SB 51-2
Mar 1973
-
R
51
Flight plans. Relationship of operators flight
plans to those used by HSA for airframe fatigue
appraisal.
Applicable to HS/DH/BH 125 aircraft, all series
SB 51-3
Feb 1987
-
M
51
Structures - General - Introduction of additional
inspection requirements
Applicable to HS 125 aircraft
SB 51-3336
Jan 2001
1
M
51
Structures - Inspection for/installation of
possible missing rivets between Frame 10A
and Frame 12
Hawker 800XP
SB 51-3408
Oct 2000
-
M
51
Structures General - Inspection And
Replacement Of Suspect DHS Ravenstone
Jackson Bolts
Hawker 800XP
SB 51-3421
Nov 2001
1
M
51
Restricted - See Remarks
Group A: All of the wing bolt locations and
fuselage bolt locations described in this Service
Bulletin must be inspected on the following
airplanes: Hawker 800 U-125A Serials 258305,
258306, 258325, 258333 and 258341. Group B:
The #3, #31, #37, #38, #52, #5
SB 51-3426
Nov 2001
1
M
51
Structures General - Inspection and
replacement of suspect DHS Ravenstone
Jackson bolts
Hawker 800XP Serials 258345 through 258347,
258349 through 258359, 258361 through 258369,
258371 through 258380 and 258382 through
258390. Hawker 800XP Serial Number 258390
SB 51-4
May 1989
-
M
51
Structures - Fuselage - Possible corrosion
cracking in forward keel skin panels
Applicable to all BH/DH/HS/BAe 125 aircraft up to
and including Series 600
12/24/2008
Page 180 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 52
Doors
SB 52-1
Dec 1964
-
O
52
To introduce entry door guide blocks
Series 1, 1A and 1B
SB 52-10
Jun 1966
-
R
52
Entry door. To introduce the additional wording
'PUSH IN AND LIFT' on the main entry door
external handle.
Series 1 1A 1B 3 3A 3B
SB 52-11
Jun 1966
-
O
52
Entry door balance mechanism. To introduce
improved stowage bracket & hook for bungee.
Series 1, 1A, 1B, 3, 3A and 3B
SB 52-12
Oct 1966
-
O
52
Entry door. Introduction of modified bushes in
the entry door balance return hook assembly.
Series 1, 1A, 1B, 3, 3A and 3B
SB 52-13
Oct 1966
-
R
52
Emergency exit. To introduce a support washer
on four bolts which attach two mounting
brackets at the bottom of the escape hatch.
Series 1, 1A, 1B, 3, 3A and 3B
SB 52-14
Mar 1967
-
I
52
Entry door. To introduce Wilmot Breedon door
lock L3416/FS955 as an alternative to FA600.
Series 1, 1A, 1B, 3, 3A and 3B
SB 52-16
Apr 1969
-
I
52
To ensure positive engagement of outward
opening door external handle lock.
Series 400A - 400B
SB 52-17
Feb 1970
2
I
52
To introduce wider interlock barrel and torque
shaft lever for outward opening door operating
mechanism.
Series 400A and 400B
SB 52-18
Dec 1970
1
I
52
To ensure adequate lift on outward opening
door.
Series 400A and 400B
SB 52-19
Dec 1981
4
O
52
Entry door. To introduce improvements to the
outward opening door and mechanism.
Series 400A and 400B
SB 52-20
Nov 1970
2
R
52
Outward opening door , to improve attachment
of tensator motor drum to drive shaft.
Model DH 125, Series 400A. Model HS 125,
Series 400B.
SB 52-20 - INSP
Aug 1969
-
R
52
Entry door tensator motor torque drum drive
shaft, shearing of drive pin.
Model DH 125, Series 400A. Model HS 125,
Series 400B.
SB 52-21
Dec 1969
-
O
52
To transfer power supply for entry door warning
light from 'PSI' to 'PE' bus bar.
Series 400A 400B
12/24/2008
Page 181 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 52-22
Jan 1970
-
R
52
Passenger/Crew. To introduce larger tubular
rivets with sealing pins for attachment of end
fittings to outward opening door handrail lower
stay tube.
Model D.H. 125, Series 400A. Model H.S. 125,
Series 400B.
SB 52-23
May 1977
3
O
52
Outward opening passenger door.
Improvements to tensator motor installation.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B
SB 52-24
Oct 1970
-
R
52
Entry door stay handrail pivot shaft.
Introduction of shaft without waisted portion.
Model D.H.125, Series 400A. Model B.H.125,
Series 400A. Model H.S.125, Series 400B
SB 52-25
May 1971
-
R
52
Outward opening passenger door operating
mechanism , addition of profile plate to
interlock plate.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B
SB 52-26
Jun 1971
-
O
52
Outward opening passenger door. Tread panel
edge cappings now bolted through top and
bottom flanges.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B.
SB 52-27
Dec 1972
-
O
52
Cabin passenger escape hatch. To reduce
noise entering the passenger cabin.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B.
SB 52-28
Feb 1972
-
O
52
Outward opening passenger door. New eye
end and securing bolt attachment tensator
cable to structure.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B.
SB 52-29
Feb 1972
-
R
52
Entry door tensator cable, possible foul at
fairlead assembly.
Applicable to HS/DH/BH 125 aircraft, Series 400A
and 400B
SB 52-3
Feb 1966
2
O
52
To improve fastening of rear equipment bay
access door.
Series 1, 1A and 1B
SB 52-30
Jul 1973
-
O
52
Entry door. To strengthen door stay bottom
tube.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B and
401B
SB 52-31
Feb 1974
-
R
52
Outward opening passenger door. Stop for
hand lever interlock plate replaced by steel
stop with increased offset.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B, 401B
and 403B.
SB 52-3157
Nov 1998
-
R
52
Doors - Main entry door hinge attachment bolt
inspection/replacement
Hawker 800XP
12/24/2008
Page 182 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 52-34
Sep 1978
1
R
52
To introduce a strengthened and improved
tensator cable arrangement to reduce the
possibility of failure at upper end.
Model DH.125, Series 400A, 400A (C) and 400B.
Model BH 125, Series 400A, 403B, 600A and
600B. Model HS 125, Series 600A.
SB 52-36
Jul 1979
1
R
52
Outward opening door tensator motor.
Introduction of stronger springs.
Model HS/BH.125, Series 400, 401, 403 and all
variants. Model HS/BH.125, Series 600 and all
variants. Model HS.125, Series 700 and all
variants.
SB 52-3644
Feb 2004
-
O
52
Doors - Main Entry Door Handrail
Repair/Replacement
BAe.125 Series 800A; BAe.125 Series 800B;
Hawker 800 and Hawker 800XP through Serial
258636 equipped with P/N 800-8270-18 folding
handrail assembly.
SB 52-37
Feb 1980
-
R
52
To introduce supplementary seal at escape
hatch.
Series 700A and 700B
SB 52-38
Nov 1983
1
I
52
Doors - Passenger/crew and access Introduction of 'Medeco' security locks
All Series up to and including 700 Mod.251918
SB 52-39
Mar 1984
1
R
52
Outward opening main entry doors.
Introduction of X - ray inspection.
Applicable to HS/BH 125 Series 400 aircraft
SB 52-4
Jan 1965
-
O
52
To introduce improved stowage for entrance
door return counter balance hook (Behind
luggage bay trim).
Series 1, 1A and 1B
SB 52-40
Nov 1985
-
I
52
To introduce an internal lock to the escape
hatch to prevent entry when parked. (Using the
outboard emergency release facility).
All HS/BH 125 Series 600 and 700 aircraft
SB 52-41
Jan 1991
1
O
52
Doors - Emergency exit - to introduce an
escape hatch internal lock
Series 800A and 800B
SB 52-42
Feb 1993
-
R
52
Doors - Main Entry - Introduction of cable loom
protection over the door operating mechanism
Series 1000A and 1000B
SB 52-44
Feb 1994
-
O
52
Doors - Rear Baggage Bay - To Re-Introduce
the rear baggage bay external access door
BAe125 Series 1000A and Hawker 1000
SB 52-46
Jan 1995
-
R
52
Inspection of emergency escape hatch latch for
possible foul with re-inforcing strap.
Applicable to Hawker 1000 and BAe 125 Series
1000A and B
SB 52-48
Jun 1996
-
M
52
Doors - Inspection of main entry door/frame
pressing for possible fatigue cracking
Applicable to all DH/HS 125 Series 1 and 3
(including variants), Pre-Mod 251429
SB 52-5
Sep 1965
-
R
52
Main entry. To introduce a stronger main door
lock lever.
Series 1, 1A, 1B and 3
12/24/2008
Page 183 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 52-6
Aug 1965
-
O
52
To introduce Customs locking eyebolt on
passenger door structure.
Series 1, 1A, 1B and 3
SB 52-7
Nov 1965
-
O
52
Passenger/crew. To improve the functioning of
the door return mechanism.
Series 1, 1A, 1B and 3
SB 52-8
Nov 1965
-
O
52
Passenger/crew. To improve the door track &
roller installation.
Series 1, 1A, 1B and 3
SB 52-9
Oct 1965
-
R
52
Main entry door. To restrict the amount by
which the door interior handle beds into the
door trim.
Series 1, 1A, 1B and 3
SB 52-A22
Nov 1969
-
M
52
Entry door lower stay assy. Failure of rivets
attaching end fittings.
Applicable to H.S. 125 aircraft Series 400A and
400B.
12/24/2008
Page 184 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 53
Fuselage
SB 53-1
Nov 1964
-
O
53
To introduce rudder post sealing.
Series 1A and 1B
SB 53-12
Oct 1965
-
I
53
Introduces modified fairlead in floor of cabin.
Series 1A, 1B and 3
SB 53-13
Aug 1965
-
I
53
To introduce hydraulic pipe cover on front
pressure bulkhead with improved lower
attachments.
Series 1, 1A and 1B
SB 53-15
Dec 1967
1
O
53
Cone and Fillets / Fairings. To introduce
improved support strut for Nosecone.
Series 1A, 1B and 3
SB 53-16
Oct 1966
-
R
53
Cone and Fillets / Fairings. To introduce
sealing of Grimes anti-collision Beacon in
under Fairing.
Series 1, 1A, 1B and 3
SB 53-17
Mar 1967
2
R
53
Attachment fittings. To reinforce Flap
mechanism attachment fittings on the
Fuselage.
Series 1, 1A and 1B
SB 53-18
Jan 1966
-
O
53
Modified RH cockpit floor panel & access
cover.
Series 1A and 1B
SB 53-19
May 1966
-
O
53
Rear fuselage. To ease installation of tail cone
fairing.
Series 1, 1A, 1B and 3
SB 53-2
Nov 1965
-
R
53
Reinforcement of frame 17.
Series 1, 1A and 1B
SB 53-20
Jun 1966
-
O
53
Fairings. To introduce a drain hole in Wing /
Fuselage Fairing & to seal edges of under
Fairing with Thiokol.
Series 1, 1A and 1B
SB 53-21
Aug 1966
-
O
53
Escape Hatch Aperture. To increase clearence
between passenger Escape Hatch &
surrounding A/C structure.
Series 1, 1A and 1B
SB 53-22
Oct 1967
3
M
53
Engine Mounting Beam. To strengthen lower
channel & replace foam filling with light alloy
plates.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-23
Oct 1966
-
R
53
Cone and Fillets / Fairings. To introduce a
revised corner shape for Fuselage to Wing
Fairing.
Series 1, 1A, 1B, 3, 3A and 3B
12/24/2008
Page 185 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-24
Dec 1966
-
I
53
To introduce stiffer mounting for aileron
autopilot servo unit.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-25
Nov 1966
-
O
53
Front Equipment Bay. Introduction of water trap
at NACA Intake Duct.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-26
Nov 1966
-
O
53
Nose. To introduce reinforcing of nose fuselage
skins & structure.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-27
Nov 1966
-
O
53
Structure/general. To delete entry door tread
plate & introduce cover plates over
counter-bored bolt holes.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-28
Oct 1971
2
O
53
Nose cone. To introduce more robust lightning
diverter strips on nose radome & to ensure
bonding of these strips.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-29
Apr 1967
1
R
53
Bracket installation for Nose Landing Gear
looseness of Mounting Bracket bolts.
Applicable to H.S.125 aircraft, all Series
SB 53-3
Sep 1972
3
I
53
To reinforce upper sidewall beam on front
pressure bulkhead
Series 1, 1A and 1B
SB 53-30
Mar 1967
-
O
53
Cone and Fillets / Fairings. To introduce mesh
guard over outlet in Tailcone
Series 1, 1A, 1B, 3A and 3B
SB 53-31
Apr 1967
-
O
53
Cone and Fillets / Fairings. To improve the
method of sealing the Wing to Fuselage Fairing
against the ingress of water.
Series 1, 1A, 1B and 3
SB 53-3118
Dec 1998
-
M
53
Fuselage - Inspection for out-of-position bolts
BAe 125 Series 800A/800B; Hawker 800; Hawker
800XP
SB 53-3138
Aug 1998
-
O
53
Fuselage - General - Introduction of provisions
for a baggage pannier
Hawker 800 XP.
SB 53-3164
Nov 1998
-
O
53
Restricted - See Remarks
Hawker 800 U-125A (JASDF) airplanes
SB 53-3186
Feb 1998
-
M
53
Fuselage - Sealing of Fuselage Keel Stringers
Hawker 800XP
SB 53-3192
Jul 1998
-
O
53
Fuselage - Installation of a simplified seal at the
dorsal intake
BAe 125 Series 800A/800B and 1000A/1000B;
Hawker 800; Hawker 800XP and Hawker 1000.
SB 53-32
Jul 1967
1
R
53
Cone and Fillets / Fairings. To introduce
drainage and further sealing on front Wing to
Fuselage Fairing.
Series 1, 1A, 1B and 3
12/24/2008
Page 186 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-3279
Jun 1999
-
O
53
Fuselage - Fuselage Drainage - Introduction of
retaining ring on keel drainage valve
All BAe 125 Series 800 and 1000, Hawker 800
(including Major Variant U125A) and Hawker
1000; Hawker 800XP.
SB 53-33
Dec 1981
6
O
53
Fuselage – Wings – To convert 1A/522 aircraft
to 3A aircraft zero fuel take-off weights, but
landing weight is retained as for 1A/522
Series 1A/522
SB 53-3310
Jul 2001
-
R
53
Fuselage - Introduction of modified gutter
arrangement in radome mounting area
Hawker 800XP
SB 53-3314
Apr 1999
-
O
53
Installation of doublers on fuselage skins
Hawker 800XP
SB 53-34
Nov 1967
-
R
53
Engine Mounting Beam. To facilitate the
embodiment of Mod.251723 Part B.
Series 1, 1A, 1B, 3, 3A and 3B
SB 53-3438
Jan 2002
1
M
53
Fuselage - Inspection of 4 missing rivets at the
top center of frame 13 on honeywell equipped
airplanes
Hawker 800XP
SB 53-35
Dec 1967
-
R
53
Drainage. To introduce an additional drainage
adjacent to the rear Fuselage drain.
Series 1, 1A, 1B, 3, 3A, 3A/R, 3B and 3B/R
SB 53-3511
Jul 2004
-
R
53
Fuselage - Floorboard Attachment Screw
Relocation
Raytheon Aircraft Model 400A Hawker 400XP,
Serials RK-354 through RK-357.
SB 53-3511
Jul 2004
-
R
53
Fuselage - Floorboard Attachment Screw
Relocation
Raytheon Aircraft Model 400A Beechjet, Serials
RK-5 through RK-353; Raytheon Aircraft Model
400A Hawker 400XP, Serials RK-354 through
RK-357.
SB 53-3569
Aug 2003
-
M
53
Fuselage - Frames 12 and 14 Ground Stud
Modification
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258592.
SB 53-36
Jan 1968
-
R
53
Nose radome. Additional bolts for internal
lightning diverter strips.
Series 3A/R and 3B
12/24/2008
Page 187 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-3623
Mar 2005
1
M
53
Fuselage - Wing-to-Fuselage attachment link
inspection for proper washer installation
Hawker 800XP, Serial Numbers 258297, 258301,
258304, 258309, 258311, 258313, 258315,
258317, 258319, 258320, 258322, 258326,
258331, 258334 through 258340, 258344,
258345, 258347, 258349, 258354 through
258356, 258358, 258359, 258361 through
258369, 258371 through 258380, 258382 through
258400, 258402 through 258406, 258408 through
258420, 258422 through 258426, 258428 through
258433, 258435 through 258444, 258446,
258448 through 258468, 258470 through 258492,
258494 through 258512, 258514 through 258532,
258534 through 258569 and 258570 through
258617. Hawker 800XP (SIVAM), Serial Numbers
258401, 258421, 258434 and 258447. Hawker
800XP (Korean Special Mission), Serial Numbers
258342, 258343, 258346, 258350 through
258353 and 258357.
SB 53-37
Oct 1968
-
R
53
Nose leg mounting bracket on RH side of nose
gear bay. Cracked.
Applicable to H.S. 125 aircraft, all Series.
SB 53-3734
Dec 2005
-
M
53
Fuselage - Inspection for Drainage at Frame
17A
Hawker 800XP, Serial Numbers 258266, and
258277 through 258750, excluding Hawker 800
(U-125A).
SB 53-3797
Dec 2006
-
O
53
Fuselage - Static Plate Mounting Modification
BAe.125 Series 800A; BAe.125 Series 800B;
Hawker 800; and Hawker 800XP, Serial Numbers
258001 through 258736 and 258738 through
258746
SB 53-38
Feb 1969
1
O
53
To introduce stiffeners in th RH panel between
frames 11 and 12.
Series 1, 1A, 1A-522, 1A/S-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B and 3B/RA
SB 53-3814
Apr 2007
-
R
53
Fuselage – Aft Fuselage Fuel Tank Structure
Rivet Replacement
Hawker Beechcraft Model 400A (Hawker 400XP),
Serials RK-476 through RK-489 and RK-491.
SB 53-3822
May 2007
-
R
53
Fuselage - Forward Pressure Bulkhead Rudder
Pedal Pressings Chafing Inspection
Hawker 800XP, Serial Numbers 258541, 258556
and 258567 through 258812.
SB 53-3882
Apr 2008
-
R
53
Fuselage - Wing-to-Fuselage Fairing Assembly
Inspection and Modification
Model 400A, Beechjet (Hawker 400XP), Serials
RK-368 through RK-381, RK-384 through
RK-405, RK-407 through RK-420, RK-423
through RK-431, RK-434, RK-437 through
RK-483, RK-487 through RK-529, RK-531 and
RK-533.
12/24/2008
Page 188 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-4
Dec 1964
-
R
53
To extend fatigue life of canopy top skin
beyond 1500 flights or 2 years whichever is the
earlier.
Series 1, 1A and 1B (A/o not incorporating Mod.
No.251206)
SB 53-40
Jun 1969
-
R
53
Fairings. To prevent foul between structure and
cover on flap control bevel shaft assembly.
Series 3A/RA and 3B/RA (Pre Mod 251873 - Part
B)
SB 53-41
Jan 1977
2
O
53
Canopy Blister. To introduce composite fibre
glass / metal blister.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR and 3ARA. Model HS 125, Series 1, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B and 3BRA
SB 53-42
Mar 1970
-
R
53
Checking for cracking of VOR / LOC Aerial Box
attachment brackets.
Applicable to H.S. 125 aircraft Series 400A and
400B
SB 53-43
Apr 1976
3
M
53
Front Pressure Bulkhead. Reinforcing plates
added to sidewall beams.
Model DH 125, Series 1A and 1A-522. Model HS
125, Series 1, 1-521 and 3B
SB 53-44
May 1975
1
R
53
To improve protective treatment of fuselage
skin under canopy blister.
Model DH. 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 400B,
401B and 403B
SB 53-44 - INSP
Nov 1973
-
R
53
Skin under canopy blister fairing. Inspection for
corrosion.
Model DH. 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, 400B,
401B and 403B
SB 53-45
Dec 1973
-
R
53
Sealing and drainage. Improvements to
drainage in rear fuselage.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA,
400B, 401B, 403B and 600B
SB 53-46
Mar 1982
3
M
53
Fuselage - Canopy post A-B - Addition of fail
safe links at bottom joint
Series 1A 1A-522 3B 400A 403B 600
SB 53-5
Jan 1965
-
O
53
Fuselage - Cones and Fillets/Fairings - To
improve the stiffness of the wing to fuselage
front fillet & method of sealing against ingress
of water.
Series 1A and 1B
12/24/2008
Page 189 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-50
Sep 1978
2
M
53
Radome. To introduce improved lightning strike
protection.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A and 403A (C). Model BH.125,
Series 400A and 600A. Model HS.125, Series
600A and 700A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA,
3BRC, 400B, 401B, 403B, 600B and
SB 53-51
Oct 1978
1
R
53
Repositions holes of autopilot rudder servo
mounting.
Series 700 and all variants
SB 53-52
Jun 1980
-
R
53
Front Pressure Bulkhead. Cracking of control
pressure at corner radius.
Applicable to all HS/DH/BH 125 aircraft up to and
including Series 400
SB 53-53
Jan 1980
-
R
53
Skin. Inspection of area bounded by Dorsal Air
Intake.
Applicable to HS/BH 125 aircraft Series 600
SB 53-54
Jan 1981
-
R
53
Fuselage - Skin - Inspection of area bounded
by engine pylon
Applicable to HS/DH/BH 125 aircraft with Viper
engines, Series 1, 1-521, 1-522, 1A, 1A-522,
1A/S-522, 1B, 1B-522, 1B/R-522, 1B/S-522, 3A,
3A/R, 3A/RA, 3B, 3B/RA, 3B/RC, 400A, 403A (C),
400B, 403B, 600A and 600B
SB 53-55
Jan 1981
-
R
53
Fuselage - Skin - Inspection of fuselage skin in
wing/fuselage joint area
Applicable to HS/DH/BH 125 all Series up to and
including Series 600
SB 53-56
May 1981
-
R
53
Ventral fin. Improved VLF aerial pre-amplifier
installation.
Series 700B post Mod. 258148 or 258172
SB 53-57
Jan 1982
-
R
53
Fuselage - Entry door surround - Corrosion
Applicable to DH/HS 125 aircraft, Series 1, 1-521,
1-522, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B, F-3B,
3B/RA, 3B/RC and F-3B/RA
SB 53-58
Oct 1986
3
I
53
Radome - To introduce clear protective cap for
radome
Models HS/DH/BH.125 PART A & D Series 1, 3
and 400. PART B & C Series 600, 700 and 800.
SB 53-59
Jan 1987
2
M
53
Fuselage - Reinforcement of Canopy Upper
Rail.
B.Ae 125 Series 800A and 800B
SB 53-6
Mar 1965
-
R
53
To extend reinforcing & to provide shorter bolts
with thin nuts on crew seat rails.
Series 1, 1A, 1B and 2
SB 53-60
Nov 1985
-
M
53
Fuselage - Pipe Installation - Possible Fouling
Applicable to all B.Ae 125 Series 800
SB 53-61
Dec 1985
-
R
53
Corrosion of the Fuselage skin beneath ram air
ducting cuff flange Aft of Frame 19.
Applicable to all BH/DH/HS 125 Series 600 and
700 and all variants
12/24/2008
Page 190 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-62
Oct 1986
1
M
53
Fuselage - Ventral tank aft attachment Fuselage keel steel fitting
B.Ae. 125 Series 800A and 800B
SB 53-63
Feb 1987
-
M
53
Fuselage - Outer skin - Introduction of
additional inspection requirements
Series 1 1A 2 3B(A/C 25001 to 020) that are in
excess of 7500 flights
SB 53-64
Jun 1988
-
O
53
Fuselage - Sealing & drainage - To introduce
improved drainage of fuselage keel
All Series up to and including 800 ( A/C 258092
and subs less 258097)
SB 53-65
Mar 1989
1
M
53
Fuselage - Nose Section - To introduce
reinforcing straps to windscreen centre pillar
Series 800A and 800B
SB 53-66
May 1988
2
R
53
Fuselage - Entry door surround - To introduce
improved attachment of handrail support cast
This Modification is applicable to all Series
DH/BH/HS/BAe 125 aircraft which are Post Mod.
251918 or 252906
SB 53-67
May 1988
1
I
53
Fuselage - General - To introduce common
provision for an interchangeable ventral fuel
tank and baggage pannier
BAe 125 Series 800 Pre-Mod.259292
SB 53-68
May 1988
1
I
53
Fuselage - General - Introduction of a modified
baggage pannier for A/C Post Mod.259499A
BAe 125 Series 800 Post-Mod.259499A
SB 53-69
Apr 1988
-
O
53
Fuselage - Nose - To introduce reprofiled drain
gutter on Frame 1 bulkhead
Applicable to Series 600 and 700 aircraft which
are Post Mod.252109 and Pre Mod.252922
SB 53-7
Apr 1965
-
I
53
To introduce shrouded bearings at all points
where shafts pass through pressure hull.
Series 1, 1A and 1B
SB 53-70
May 1988
-
R
53
Fuselage - Sealing and Drainage - Wing centre
section improved drainage
Series 800B
SB 53-71
Nov 1989
-
M
53
Fuselage - Rear equipment bay - Possibility of
chafing between duct and rear pressure
bulkhead
Applicable to all BH/DH/HS 125 aircraft Series 1,
1A, 1B and 3B
SB 53-73
May 1991
2
M
53
Fuselage - Inspection of nose landing gear bay
sidewall for cracks
Applicable to all DH/BH/HS 125 aircraft up to and
including Series 800A and 800B
SB 53-74
Mar 1992
1
M
53
Fuselage - Fairings - Introduction of drain
masts at rear equipment bay vent outlets
All Series up to and including series 800 - see
service bulletin for the detail.
SB 53-75
Mar 1992
-
R
53
Inspection of LH forward passenger seat rail for
presence of web stiffeners and cleats (Frames
10B and 10C ).
Applicable to BAe 1000 Series
SB 53-76
Feb 1994
-
M
53
Centre Fuselage. Introduction of additional vent
area at frame 10D right hand.
BAe Series 1000A and 1000B and Hawker 1000
12/24/2008
Page 191 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 53-77
Nov 1992
-
R
53
Structures - General = Inspection of frame
assembly No.16 for presence of two reinforcing
strip bolts and nuts
Series 1000 (A/C 259004 to 014 017 024)
SB 53-79
Apr 1993
-
R
53
Fuselage - Inspection of rear ventral fairings for
presence of drain holes
BAe 125 Series 1000 (259003, 259004, 259005,
259006, 259007, 259008, 259009, 259010,
259011, 259012, 259013, 259014, 259015,
259016, 259017, 259018, 259019, 259020,
259021, 259022, 259023, 259024, 259025,
259026, 259027, 259028, 259029, 259030,
259031, 259032, 259303, 259034, 259035,
259036)
SB 53-8
Jun 1965
-
I
53
To introduce additional stiffener on wing to
fuselage fairing side panel.
Series 1, 1A and 1B
SB 53-80
Jul 1994
-
R
53
Introduction of a replacement sealing cuff at the
dorsal intake.
All BH/HS 125 Series 600A, 600B, 700A and
700B which are Post Mod.252108
SB 53-81
Feb 1994
-
M
53
Centre Fuselage - Introduction of additional
vent area between the cabin and the right hand
underfloor area.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 53-82
Dec 1995
3
M
53
Fuselage - To introduce improved fluid
drainage in the fuselage
BAe 125 Series 800A, 800B, Hawker 800 and
special variants (C29A, U125, U125A)
SB 53-83
Jun 1995
-
R
53
To introduce improved fluid drainage in the
fuselage.
HS 125 Series 700A and 700B
SB 53-84
Jun 1994
1
R
53
Fuselage - Inspection of rear Ventral Tank toilet
area for presence of drain holes
Applicable to BAe 125 Series 800A, 800B, 1000A
and 1000B
SB 53-85
May 1995
1
M
53
Fuselage - To introduce improved fluid
drainage in the fuselage
BAe 125 Series 800A
SB 53-86
Aug 1995
-
R
53
To introduce improved fluid drainage in the
fuselage.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 53-87
Feb 1995
-
I
53
Restricted - See Remarks
BAe 125 Series 800A U-125 (258215, 258227,
258242)
SB 53-88
Dec 1996
-
R
53
Inspection of LH & RH fuselage / fairing
interface-frames 23/24 for presence of foam
block.
Applicable to all BAe 125 Series 1000A, B and
Hawker 1000
SB 53-90
Dec 1996
-
M
53
Inspection of fuselage - RH side under rear
ventral tank - For presence of reinforcing strap
at frame 22.
Applicable to BAe 125 Series 1000A, B and
Hawker 1000
12/24/2008
Page 192 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 53-92
Description
Effectivity
Dec 1996
-
R
53
Restricted - See Remarks
Hawker 800 U-125A (JASDF)
SB 53-93
Apr 2000
2
M
53
Fuselage - Inspection of the upper fuselage
skin around periphery of the cockpit canopy
blister interface for possible scoring
DH 125 Series 1A; HS 125 Series 1B; DH 125
Series 1A-522; HS 125 Series 1B-522; DH 125
Series 1A/R-522; HS 125 Series 1B/R-522; DH
125 Series 1A/S-522; HS 125 Series 1B/S-522;
DH 125 Series 3A; HS 125 Series 3B; DH 125
Series 3A/R; HS 125 Series 3B/R; DH
SB 53-95
Apr 1999
1
M
53
Fuselage - Inspection/Introduction of rivets at
frame 19
All HS 125 Series 700. BAe Series 800 including
Major Variants C29A, U125 and U125A: Aircraft
258001 to 258254 inclusive. Hawker 800
including 800XP and Major Variant U125A:
aircraft 258255 to 258295 inclusive
12/24/2008
Page 193 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 54
Nacelles/Pylons
SB 54-1
May 1998
1
M
54
Pylons - To introduce filling of unused tooling
holes on the LH & RH engine pylon firewalls
BAe 125 Series 800A, 800B, Hawker 800
including special variants (C29A, U125, U125A)
and Hawker 800XP Pre Mod. 253815A
SB 54-3
Jan 1997
-
R
54
Lower engine access cowlings. Introduction of
oil drain grommet.
BAe 125, Series 1000 and Hawker 1000
SB 54-3129
Jan 1999
-
R
54
Inspection of the LH an RH engine pylon
closing panels
BAe 125 Series 800A, 800B [including major
variant C29A], Hawker 800 [including major
variant U125A], and Hawker 800XP
SB 54-3788
Dec 2006
-
M
54
Nacelles - Engine Cowling Fastener
Modification
(a) Civil - Raytheon Aircraft Model 400 Beechjet,
Serials RJ-1 through RJ-65; Raytheon Aircraft
Model 400A Beechjet, Serials RK-1 through
RK-353; Raytheon Aircraft Model 400A (Hawker
400XP), Serials RK-354 through RK-499. (b)
Military Raytheon Aircraft Model 400T (T-1A)
Beechjet, Serials TT-1 through TT-180; Raytheon
Aircraft Model 400T (TX) Beechjet, Serials TX-1
through TX-13. If you are no longer in possession
of the airplane, please forward this information to
the present owner. (2) Spares - All customer held
spare engine cowlings require modification in
accordance with Kit No. 132-9100-0001/-0002.
12/24/2008
Page 194 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 55
Stabilizers
SB 55-1
Dec 1964
1
O
55
To introduce modifications to top of
fin-to-tail-plane bullet fairing & lower edge of
overfin.
Series 1, 1A and 1B
SB 55-10
Mar 1965
-
I
55
To introduce a special build of tailplanes &
elevators suitable as spares replacements for
A/C not embodying Mod.251024.
Series 1
SB 55-11
Apr 1965
-
I
55
To reduce the level of static build up on
elevators thereby reducing radio interference.
Series 1, 1A, 1B and 2
SB 55-12
Apr 1965
-
O
55
To improve the clearance between the levers in
max elevator `UP' position.
Series 1 1A 1B
SB 55-13
May 1965
-
O
55
To introduce redesigned joint between rudder
control quadrant & rudder torque tube.
Series 1
SB 55-14
Apr 1965
-
O
55
To introduce retaining cable for access cover
on fin/tailplane bullet fairing.
Series 1, 1A, 1B and 2.
SB 55-15
Jul 1965
-
I
55
To introduce two-piece main ballast weight in
lower part of rudder leading edge.
Series 1, 1A, 1B and 2
SB 55-16
Jul 1965
-
I
55
To introduce Series 3 type 1A of fin/tailplane
fairing.
Series 1A and 1B
SB 55-18
Jul 1965
-
O
55
To give increased clearance between between
elevator & bullet fairing.
Series 1, 1A and 1B
SB 55-2
Nov 1964
-
I
55
To change material of bolts attaching fin skins
to fin root rib & intermediate diaphragms from
steel to light alloy.
Series 1 and 1B.
SB 55-21
Oct 1965
-
O
55
Rudder. To fit spacing washers between the
driving lugs on rudder quadrant and the spider
connecting rudder post to quadrant.
Series 1A, 1B and 3
SB 55-22
Feb 1966
-
O
55
Replaces cadmium plated hi-torque c'sunk
screws attaching fin & tailplane leading edges.
Series 1 1A 1B
SB 55-23
May 1966
-
I
55
Rudder. To introduce a mated assy of the
upper rudder hinge fitting & the geared tab
lever & to reduce the nominal gear.
Series 1, 1A, 1B and 3
12/24/2008
Page 195 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 55-24
Jun 1966
-
O
55
Horizontal Stabilizer. Rivetting of chain rubbing
strips to detachable cover plates at rear spar.
Series 1, 1A, 1B and 3, with Mod.251241
SB 55-25
Dec 1966
-
O
55
Horizontal Stabilizer. To introduce modified
bush & shimming for elevator master hinge
fitting.
Series 1A, 1B, 3A and 3B
SB 55-26
Nov 1966
-
I
55
Upper Vertical Stabilizer. To introduce special
bolts attaching bullet fairing to overfin.
Series 1, 1A, 1B, 3, 3A and 3B
SB 55-27
Jul 1967
-
R
55
Horizontal Stabilizers. To introduce revised
material for rubbing strips on elevator trim
chain cover plates.
Series 1, 1A, 1B, 3, 3A and 3B
SB 55-28
Sep 1967
-
R
55
Elevators (LH & RH) Leading edge skin
corrosion.
Applicable to HS.125 aircraft, all series, with
production Serial Nos. 25129 and earlier, 25132
and 25135.
SB 55-29
Feb 1975
2
O
55
Horizontal Stabilizer - Improved protective
treatment for tailplane attachment bolts
Model DH.125 Series 3A, 3AR and 3ARA and
400A. Model BH.125 Series 400A and 600A.
Model HS.125 Series 3B, 3BRA, 400B, 401B,
403B and 600B
SB 55-3
Nov 1964
-
I
55
To introduce new underfairing incorporating
new method of attachment.
Series 1and 1B, 25011 and SUBS
SB 55-30
Sep 1975
1
R
55
Flight controls. Elevators. To add drain holes
and improve treatment in way of leading edge
thus obviating the need for repeat inspections.
Model DH.125. Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125 Series
400A and 600A. Model HS.125 Series 1,
1-521,1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 400B, 401B, 403B and 600B.
SB 55-30 - INSP
Feb 1975
-
R
55
Stabilizers - Elevator - Accumulation of water
within the elevator leading edge
Model DH.125. Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125 Series
400A and 600A. Model HS.125 Series 1,
1-521,1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 400B, 401B, 403B and 600B.
SB 55-31
Feb 1976
1
O
55
Horizontal Stabilizer. Fibreglass tip replaces
metal tip, to reduce the possibility of jamming of
the elevator mass balance arm.
Model DH.125 Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A and 400A(C). Model BH.125
Series 400A and 600A. Model HS.125 Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 3BRC, 400B, 403B and 600B
SB 55-32
Jul 1977
-
R
55
Elevator Trim Tabs. Inadequate drainage of
connecting rod fairings .
Applicable to HS/DH/BH 125 aircraft, all series.
12/24/2008
Page 196 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 55-33
Dec 1982
-
M
55
Stabilizers – Attachment fitting – Possibility of
corrosion
Applicable to HS/DH/BH 125 aircraft all series up
to and including series 600
SB 55-34
Jan 1995
-
R
55
Stabilisers - Inspection of LH and RH tailplanes
for presence of drain holes
Applicable to BAe 125 Series 800A and B, 1000A
and B, Hawker 800 and Hawker 1000 aircraft.
SB 55-35
Aug 1996
-
M
55
Lower vertical stabilizer - Inspection of lower
vertical stabilizer upper closing rib (Fin Rib 6)
for possible oversized or elongated Fin Rib 6
attachment holes
BAe 125 Series 800A,B including U125 and
U125A (258204 to 258254). Hawker 800 including
800XP and major variant U125A (A/C 258255 to
258287)
SB 55-36
Apr 1996
-
M
55
Stabilisers - To introduce rudder flow
separation triggers and a revised installation
procedure for the rudder spring strut
BAe 125 Series 800A, Series 800B (including
BAe 125 Series 800 Special Varients C29A,
U125), Hawker 800 and Hawker 800XP.
SB 55-4
Apr 1980
6
O
55
To increase life of hinge bearings in rudder &
elevator.
Series 1, 1A and 1B (and all varients)
SB 55-5
Nov 1964
-
O
55
To introduce modified rear mounting bracket for
overfin.
Series 1B
SB 55-6
Nov 1965
1
R
55
To introduce static wick dischargers Chelton
type 2-11 & 2-12.
Series 1, 1A and 1B
SB 55-7
Nov 1964
-
O
55
To introduce improvements to attachment of
elevator operating lever to elevator.
Series 1 and 1B
SB 55-8
Feb 1965
-
R
55
Flight controls. Elevator trim tab. Possible foul
of cable guard on pulley.
Applicable to H.S Series 1, 1A and 1B aircraft not
incorporating Mod.251436
SB 55-9
Mar 1965
-
I
55
To introduce fairings on elevator & rudder tabs.
Series 1 and 1B
12/24/2008
Page 197 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 56
Windows
SB 56-10
May 1971
-
I
56
Windscreen Panel `A'. Introduction of
windscreens incorporating plate glass from an
alternative manufacturing source. Panel 02512
replaces 1/284.
Series 1 1-521 1A 1A-522 1A/S-522 1B 1B-522
1B/R-522 1B/S-522 3A 3A/R 3A/RA 3B 3B/RA
400
SB 56-13
Nov 1973
-
R
56
Perpex windows. Removal of Fablon protection
on windows held as spares.
Applicable to windows held as spare or in store.
SB 56-15
Apr 1974
-
M
56
Cabin windows panels. Inspection for in-situ
cleaning of panel interspace.
All Series up to and including 600.
SB 56-16
May 1975
2
M
56
Cockpit window panel `C'. To introduce
strengthened window panel `C' not subject to
the life limitation of Pre-Mod panels.
All Series up to and including 600B
SB 56-18
Feb 1981
3
R
56
Windows – Passenger compartment – Thicker
inner panel introduced together with a revised
method of bonding
Model DH.125. Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A, 400A and (C). Model BH.125.
Series 400A and 600A. Model HS.125. Series 1,
1-527, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 3BRC, 400B, 401B, 403B and 600B.
SB 56-18 - INSP
Feb 1975
-
R
56
Cabin windows. Separation of panels Revision
II window panels of Aircraft over 8 years old are
to be removed and inspected.
Model DH.125. Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A, 400A and (C). Model BH.125.
Series 400A and 600A. Model HS.125. Series 1,
1-527, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 3BRC, 400B, 401B, 403B and 600B.
SB 56-2
Jun 1965
-
R
56
Window Panel `A'. Improvements to installation
of windscreen panel `A'.
Series 1 1A 1B
SB 56-20
Apr 1979
-
O
56
Windscreen panel `A' to introduce edge heated
panels.
All Series 3 400 600 plus retro-fit TFE 731 engine
aircraft
SB 56-22
Aug 1983
2
O
56
Flight compartment. Revised DV window
venting to reduce the possibility of panel
interspace misting.
Model HS/B.Ae.125. Series 700 and variants.
SB 56-23
Dec 1988
2
O
56
Windows - Windscreen - To introduce Lucas
Windscreen Panel `A' LH Part No
NF24016-157 LH and RH Part No
NF24016-158
Series 800
12/24/2008
Page 198 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 56-24
Dec 1987
-
I
56
Windows - Windscreen Panel A - To introduce
revised terminal block connections to Triplex
windscreen part no. 02512, 02513, 02532,
02533, 02542 and 02543
All Series up to and including 700 Mod.257626
SB 56-25
May 2000
1
O
56
Windows - Windshield Panel A - To introduce
external static drain wedges
BAe 125 Series 800 (including Major Variant
U-125); Hawker 800 (including Major Variant
U-125A); and Hawker 800XP Pre or Post Mod.
253181A or B.
SB 56-27
Mar 1995
1
O
56
Windows - Flight deck - Introduction of new
seal for direct vision (window panel B) window
panels
DH/BH/HS 125 Series 1 to Series 700 aircraft
inclusive.
SB 56-28
Jan 1996
-
O
56
Restricted - See Remarks
Hawker 800 U-125A (258245, 258247, 258250)
SB 56-3
Dec 1970
1
I
56
Flight compartment. Window panel `A'. To
introduce windscreen panels
62MPMXGF3187J in lieu of 62MPMXGF
3186H & 62MPMXGF3187H.
Series 1 1A 1B 1B/S 3B (A/C 25015 062 069)
SB 56-30
Apr 1997
1
I
56
Restricted - See Remarks
Hawker 800 U-125A
SB 56-3226
Nov 1998
1
O
56
Restricted - See Remarks
Hawker U125A (JASDF), Serials 258245,
258247, 258250, 258268, 258288, 258305,
258306, 258325 and 258333
SB 56-4
Oct 1966
-
I
56
Flight compartment. To ease removal &
installation of RH windscreen panel `C'.
Series 1 1A 1B 3 3A 3B
SB 56-6
Jul 1968
-
O
56
To provide improved sealing for DV windows in
cockpit.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 3A, 3B, 3A/R, 3B/R, 3A/RA and 3B/RA
SB 56-7
Jun 1968
-
O
56
Dry air system. Cabin and DV windows misting
due to tobacco contamination.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R, 3B/RA
SB 56-8
Dec 1968
-
O
56
To introduce special bolt Pt No 25 fn 4677/9 in
lieu of existing bolt retaining lower ball races in
DV window.
Series 1, 1A, 1A-522, 1A/S-522, 1A/R-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3B, 3A/R, 3B/R,
3A/RA, 3B/RA, 400A and 400B.
SB 56-9
Nov 1970
-
I
56
Windscreen panel 'A'. To introduce Triplex
panel 1/284 in lieu of 62 MPMXGF 3186. Part
B. To introduce Triplex panel 2/284
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/R-522 1B/S-522 3A 3A/R 3A/RA 400
SB 56-A12
Jun 1973
-
M
56
Inspection of Perspex plastic transparencies for
crazing or cracking.
All Series prior to 700
12/24/2008
Page 199 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 56-A14
SB 56-A16
Description
Effectivity
Mar 1974
1
M
56
Cockpit window panel `C' - Deterioration of
inner and outer panel bonding to rubber
spacer.
Series 1 1A 1B 3A 3B 400 (A/C 25003 to 199
NA700 to 729)
May 1974
1
M
56
Cockpit window panel `C'. Life limintation of
Pre-Mod.252410 panels.
All Series up to and including 600 Pre
Mod.252410
12/24/2008
Page 200 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 57
Wings
SB 57-1
Nov 1964
-
O
57
To introduce new air brake connecting link
assembly.
Series 1, 1A and 1B
SB 57-10
May 1965
-
O
57
To introduce cover plate for holes in wing top
skin at slinging positions.
Series 1, 1A and 1B
SB 57-11
Jun 1965
-
R
57
Inspection of clearances between components
of fuselage & wing structures.
Series 1, 2 and 3 (A/C 25001 to 25034)
SB 57-13
Jul 1965
-
R
57
To introduce drain for undercarriage sidestay
fitting.
Series 1A, 1B and 3
SB 57-15
Jul 1965
-
R
57
To re-inforce the flap centre hinge fairing at
attachment bolts.
Series 1, 1A, 1B and 3
SB 57-17
Aug 1966
1
O
57
Flap Shrouds. To reduce depth of pressing on
inner flap shroud.
Series 1A, 1B and 3
SB 57-18
Oct 1966
-
R
57
Possibility of left and right hand aileron inner
hinge upper fairing attachment bolts fouling `A'
lever (Pre Mod.251504).
Series 1 2 3 (A/C 25002 to 034)
SB 57-19
Nov 1965
-
I
57
To introduce mushroom headed bolts in place
of countersunk head bolts.
Series 1A, 1B and 3
SB 57-20
Sep 1965
-
R
57
Shrouds.
Series 1, 1A, 1B and 3
SB 57-21
Nov 1965
-
M
57
Flight Controls.
Series 1, 1A and 1B
SB 57-22
May 1968
2
O
57
Plates/Skin. To introduce additional rubbing
pads at airbrake & flap shrouds.
Series 1, 1A, 1B, 3, 3A and 3B
SB 57-23
Jun 1967
1
O
57
Flap Hinge Bracket Fairings. Introducing
re-designed & strengthened fairings.
Series 1, 1A, 1B, 3, 3A and 3B
SB 57-24
Jan 1967
-
O
57
Plates/Skin. To introduce enlarged clearance
between aileron & wing skin shroud at inboard
hinge.
Series 1, 1A, 1B, 3, 3A and 3B
SB 57-25
Nov 1967
-
O
57
Flight Surfaces. To introduce increased
clearances at inboard end of aileron top and
bottom skins.
Series 1, 1A, 1B, 3, 3A and 3B
12/24/2008
Page 201 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 57-26
May 1967
-
R
57
Flaps. To introduce an additional drain hole at
trailing edge of flaps.
Series 1, 1A, 1B, 3, 3A and 3B Pre Mod. 255640
SB 57-27
Aug 1967
-
R
57
Wings - Jacking Point Spigot Locating Bracket
(LH & RH) - Possible foul against access door
Model H.S. 125, all series.
SB 57-28
Aug 1969
1
O
57
Fuel. To introduce Dowty sealing washers at
hexagon headed bolt positions through wing
fuel tanks.
Series 1, 1A, 1B, 1B/R, 3A, 3A/R, 3B
SB 57-29
Nov 1971
2
R
57
Flap Vane. To introduce a modified flap inboard
vane.
Series 1A/R-522, 1B/R-522, 3A/R, 3B/R, 3A/RA
and 3B/RA (A/C 25094)
SB 57-3
Nov 1964
-
M
57
To introduce machined geared tab lever.
Series 1, 1A and 1B
SB 57-30
Nov 1971
2
O
57
Flaps. To introduce Thiokol sealant to form
filling.
Series 1A/R-522, 1B/R-522, 3A/R, 3A/RA and
3B/RA (A/C 25094)
SB 57-31
Sep 1968
-
R
57
Deletes spigot from flap shroud attachment
fittings.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 57-32
Jul 1969
-
R
57
To increase clearance between inboard hinge
fittings when flaps are up.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
SB 57-32 - INSP
Oct 1968
-
R
57
Flap Assembly LH & RH. Foul at inboard flap
hinge.
Series 1B/R-522, 3A/R, 3A/RA, 3B/RA, 400A and
400B
SB 57-3214
Jul 1999
1
R
57
Wings - Introduction of additional vortex
generators
Hawker 800 XP, Pre-Mod. 25F838A.
SB 57-33
Oct 1970
-
I
57
Inner Leading Edges. Reinforced inboard of
Rib 4.
Model DH.125, Series 400A. Model BH.125,
Series 400A. Model HS.125, Series 400B
SB 57-3364
Sep 2001
-
O
57
Wings - Introduction of replacement ‘P’ seals
on the flap shrouds
Model DH.125 series 1A, 1A-522, 1A/R-522,
1A/S-522, 3A, 3A/R, 3A/RA and 400A. Model
HS.125 series 1B, 1B-522, 1B/R-522, 1B/S-522,
3B, 3B/R, 3B/RA, 3B/RB, 3B/RC, F3B, F3B/RA,
400B, 400B/1, 401B, 403A(C), 403B, F400B,
F403B, 600A, 600B, 600B/1, 600B/2, 600B/3,
F600B, 700A and 700B. Model BH.125 series
400A and 600A. BAe.125 series 800A,
800A(C-29A), 800A(U-125) and 800B. Hawker
800 Pre Mod 253419E and (U-125A0).
SB 57-34
May 1970
1
R
57
Flap Vane. To extend trailing edge of outboard
vane.
Model DH.125, Series 3AR, 3ARA and 400A.
Model HS.125, Series 1B/R, 3BRA and 400B.
12/24/2008
Page 202 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 57-35
Aug 1970
-
R
57
Cover installation between Ribs 0 and 8.
Insufficient clearance between access cover
and main wheel door.
Model H.S. 125, Series 1B/R-522, 3A/R, 3A/RA,
3B/RA, 400A and 400B
SB 57-3500
Apr 2002
-
R
57
Wings - Inspection Of Aileron At Outboard
Hinge Casting For Cracking And Corrosion
BAe.125 Series 800A; BAe.125 Series
800A(C-29A);BAe.125 Series 800A(U-125);
BAe.125 Series 800B; Hawker 800; BAe.125
Series 1000A; BAe.125 Series 1000B and
Hawker 1000.
SB 57-3518
Aug 2003
-
R
57
WINGS - ADDITION OF A FIFTH DRAIN
HOLE ON AILERONS
BAe.125 Series 800A; BAe.125 Series
800A(C-29A); BAe.125 Series 800A(U-125);
BAe.125 Series 800B; BAe.125 Series 1000A;
BAe.125 Series 1000B; Hawker 800; Hawker
1000; Hawker 800(U-125A) Serial Numbers up to
and including 258533 and Hawker 800XP Serial
Numbers up to and including 258589
SB 57-37
Feb 1975
1
R
57
Flap Shroud. Cable guide for flap
synchronisation cables moved outboard.
Model DH.125, Series 3AR and 3ARA. Model
HS.125, Series 1B/R-522 and 3BRA.
SB 57-3781
Apr 2006
-
O
57
WINGS - INSTALLATION OF WINGLET
ASSEMBLIES
Hawker 800XP, Serial 258589 only.
SB 57-38
Jul 1972
-
O
57
Airbrake/Flap outboard Hinge Bolt. New closer
tolerance bolt introduced.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3ARA and 400A. Model BH.125, Series 400A.
Model HS.125, Series 1, 1-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3B, 3BRA and 400B.
SB 57-3810
Oct 2006
-
O
57
Wing - Installation of Winglet Assemblies
Hawker 800XP, Serials 258604 through 258609,
258611 through 258628, 258630 through 258684,
258686 through 258734 and 258736 through
258749 .
SB 57-3879
Feb 2008
-
O
57
Wings - To Introduce Protective Skins on Flap
Lower Inboard Sides
Hawker 900XP. If you are no longer in possession
of the airplane, please forward this information to
the present owner.
SB 57-39
Sep 1973
1
O
57
Flap & Vane. To ensure adequate clearance
exists between flap vane flap drive bevel
housing and hydraulic clamp block in shroud.
Model DH.125, Series 3AR, 3ARA and 400A.
Model BH.125, Series 400A. Model HS.125,
Series 1B/R-522, 3BRA and 400B.
SB 57-4
Nov 1964
-
R
57
To introduce thread into drag spigot to fit
extracting tool.
Series 1B
SB 57-40
Jun 1975
1
O
57
Additional stringer ties to increase wing
strength and permit higher take-off weight.
Model HS.125, Series 3B/3RA.
12/24/2008
Page 203 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 57-44
Oct 1973
3
R
57
Hinge assy. Introduction of improved
attachments.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
18, 18-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 403B and 600B.
SB 57-44 - INSP
Jan 1973
-
M
57
Flap Outer Hinge Assembly. Cracking of hinge
lugs and fracture of pivot bolts.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
18, 18-522, 1B/R-522, 1B/S-522, 3B, 3B/RA,
400B, 403B and 600B.
SB 57-45
Feb 1973
-
R
57
Keel Member. To introduce drainage passages
in underskid at ATC and DME aerial positions.
Model D.H.125, Series 1A, 1A-522, 1A/S-522, 3A,
3A/R, 3A/RA and 400A. Model B.H.125, Series
400A and 600A. Model H.S.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3B/RA and
400B.
SB 57-46
Nov 1975
-
O
57
Replacement of shouldered bolts in airbrake
hinge/flap outer hinge fixed arm.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AA, 3ARA, 400A and 400A (C). Model BH.125,
Series 400A and 600A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 3BRC, 400B, 403B and 600B.
SB 57-47
Jan 1975
1
R
57
Centre Section Lower Skin. Cases of corrosion
to detect corrosion at an early stage.
Model HS/BH/DH 125, all series.
SB 57-48
Jul 1975
1
M
57
Leading Edge. To introduce vortex generators.
Model BH.125, Series 600A. Model HS.125,
Series 600B.
SB 57-5
May 1967
5
R
57
Fuselage/Wings - Attachment fittings, cones
and fillets/fairings. To introduce improved
centre flap hinge support webs & fairings
Series 1, 1A and 1B
SB 57-50
Nov 1975
-
O
57
Flap Shrouds. To strenthen outer shroud and
stiffen inner shroud.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA, 400A and 400A (C). Model BH.125,
Series 400A and 600A. Model HS.125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA, 3BRC, 400B, 403B and 600B.
SB 57-51
Apr 1976
-
M
57
Wings - Aileron inner hinge bracket assembly Insufficient engagement of cable guard in
thread insert
Model HS/DH/BH 125, all series.
SB 57-52
May 1976
-
R
57
Main Gear Door Attachment. Forward Hinge
Brackets Loose.
Model HS/DH/BH 125, Series 1B/R, 3A/R, 3B/R,
400A, 400B, 600A and 600B and all variants.
12/24/2008
Page 204 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 57-53
Sep 1980
1
I
57
Wings - Flight surfaces - PTFE pads added to
top airbrakes and rubbing plates added to flap
vane
Model DH.125, Series 3AR, 3ARA, 400A and
403A (C). Model BH.125, Series 400A and 600A.
Model HS.125, Series 600A, 700A and 800A.
Model HS.125, 1B/R-522, 3BRA, 3BRC, 400B,
403B, 600B, 700B and 800B.
SB 57-54
Mar 1978
-
M
57
Flap Outer Hinge. Installation of steel strap at
aft lug on flap hinge arm.
Model DH/HS.125, Series 1 and 3 and all
variants. Model HS/BH.125, Series 400, 401, 403
and 600 and all variants. Model HS.125, Series
700 and all variants.
SB 57-54 - INSP
Feb 1978
1
M
57
Flap Outer Hinge Assembly. Cracking of lug on
hinge arm.
Model DH/HS.125, Series 1 and 3 and all
variants. Model HS/BH.125, Series 400, 401, 403
and 600 and all variants. Model HS.125, Series
700 and all variants.
SB 57-55
Feb 1992
2
M
57
Wings - Flap outer hinge assembly - Inspection
of hinge assemblies with modification 252670
Model HS/DH/BH 125, all series up to and
including Series 700.
SB 57-56
Dec 1978
1
I
57
Restricted - See Remarks
Series 1A (A/C 25038)
SB 57-57
Jan 1982
5
O
57
Wings - Flap outboard hinge - Introduction of
steel bracket and arm, part A: L.H., part B: R.H.
Model DH/HS.125, Series 1, 3 and all variants.
Model HS/Bh.125, Series 400, 401, 403, 600 and
all variants. Model HS.125, Series 700 and all
variants.
SB 57-58
Mar 1984
4
M
57
Wings - Flaps - Possible cracking of nose ribs
at outboard hinges.
Model HS/BH/DH 125, all Series up to and
including 700A and 700B.
SB 57-59
Apr 1983
1
O
57
Wings - To introduce improved bolt assembly
and bearings at the combined airbrake
hinge/flap outer hinge attachments at rib 8.
Model HS/DH/BH, all Series up to and including
700A and 700B.
SB 57-6
Dec 1964
-
O
57
To reinforce inboard fairing at bolt positions.
Series 1, 1A and 1B
SB 57-60
Jan 1984
-
O
57
Wings - Flaps - To introduce a closing rib to
inboard end
Applicable to all HS, BH, DH 125 aircraft to post
mod 255640 standard. (Mod 255640 introduced
long range fuel tank)
SB 57-61
Jun 1985
1
M
57
Wings - Flaps - Introduction of S98 inboard
hinge bolt
B.Ae. 125, Series 800A and 800B.
SB 57-62
Jul 1985
-
O
57
Wings - Flaps - Improved clearance between
upper flap shrouds and flap vane
B.Ae 125, Series 800A and 800B.
SB 57-63
Nov 1985
-
I
57
Wings - Part A - Flaps - Protective skins on flap
inboard underside. Part B - Protective silicone
cover on leading edge of Grimes beacon.
All B.Ae. 125 Series 800A and 800B.
12/24/2008
Page 205 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 57-64
Nov 1985
-
M
57
Wings - Aileron - Addition of drain holes
All B.Ae. 125, Series 800A and 800B.
SB 57-65
Dec 1985
-
O
57
Wings - To introduce water drainage holes in
wings between ribs 13 and 15
All 125 Series Aircraft pre Series 800.
SB 57-66
Oct 1986
2
M
57
Wings - Aileron mass balance - Possible
cracking of side plate attachment lugs
Applicable to DH/BH/HS 125 aircraft, Series 1 to
700 inclusive, all variants.
SB 57-67
Feb 1987
-
M
57
Bottom skin. Introduction of additional
inspection requirements.
Applicable to all DH/BH/HS 125 aircraft, series 1
to 400 all variants.
SB 57-68
Jun 1987
-
R
57
Wings - Possible incorrect assembly of Aileron
Centre Hinge
Applicable to the following B.Ae. 125 Series 800A
and 800B aircraft.
SB 57-69
Mar 1988
-
R
57
Wings - Aileron Horn - Rearrangement of
balancing components
Series 800
SB 57-7
Apr 1965
-
I
57
To introduce Titanium bolts in lieu of monel
bolts in vicinity of magnetic flux detector.
Series 1, 1A and 1B
SB 57-70
Jan 1988
-
R
57
Wings - Flaps - To remove extension strip from
L.H. and R.H. outboard flap vane trailing edges
Series 800A and 800B
SB 57-71
Apr 1988
-
O
57
Wings - To introduce washers between links
and bearings at forward attachment joints
Series 800- Pre Mod.253165A.
SB 57-72
Sep 1990
1
M
57
Wings - Possible in-service cracking of main
landing gear (M.L.G.) sidestay attachment lug
Applicable to all BAe 125 Series 800A and 800B
aircraft which are Pre-mod.253249A
SB 57-73
May 1992
1
M
57
Wings - Possible corrosion of wing top skin
beneath boundary layer fence
Applicable to all DH/BH/HS BAe 125 aircraft up to
and including Series 700A and 700B.
SB 57-75
Jul 1993
2
M
57
Wings - Inspection of wing top skins for cracks
around countersunk attachment bolt holes and
internal stringers
Applicable to all DH/BH/HS 125 aircraft up to and
including Series 400A and 400B.
SB 57-76
Dec 1991
-
M
57
Wings - Inspection of L.H. and R.H. rear spar
and outboard main landing gear support
bracket for corrosion
Applicable to DH/HS 125 up to including aircraft
25109, all variants of Series 1, 1A, F1A, 1B and
aircraft 25015 (Series 3B).
SB 57-77
Oct 1993
1
M
57
Wings - Inspection of wing leading edge skins
at TKS panel interfaces for possible corrosion
Applicable to BAe 125 Series 800 and 1000
aircraft pre-mod.
SB 57-78
Jan 1994
-
O
57
Wings - Leading Edge - Introduction of titanium
laser drilled outboard leading edge
BAe 125 Series 800A and 800B
SB 57-8
Apr 1965
-
I
57
To introduce various redesigned detail
components.
Series 1A and 1B
12/24/2008
Page 206 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 57-80
Description
Effectivity
Apr 2008
4
O
57
WINGS - TO INTRODUCE PROTECTIVE
SKINS ON THE FLAP INBOARD
UNDERSIDES
Hawker 800XP; Hawker 850XP; Hawker 750,
Serials HB-1 and after.
SB 57-A49
Jul 1975
-
M
57
Upper Airbrake Assembly. Failure of bolts
attaching outboard hinge arm.
Applicable to HS 125 aircraft, all series.
SB 57-A54
Jan 1978
1
M
57
Flap Outer Hinge Assembly. Cracking of lug on
hinge arm.
Applicable to HS/DH/BH 125 aircraft, all series.
12/24/2008
Page 207 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 71
Power Plant
SB 71-1
Oct 1964
-
O
71
Cowlings. To introduce modified toggle
fasteners on cowling doors.
Series 1
SB 71-11
Feb 1966
-
O
71
To introduce adjustable hinge positions at the
engine cowling doors.
Series 1, 1A and 1B
SB 71-12
May 1968
1
R
71
Drains Systems. To introduce revised fuel low
pressure switch vent pipe.
Series 1A and 1B
SB 71-13
Nov 1966
1
O
71
Mounts. To introduce a hard chrome surface on
the front engine mounting pick up nuts & bolts.
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-14
Nov 1966
-
O
71
Drain System. To introduce steel nut in place of
light alloy nut at engine drain pipes.
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-15
Feb 1967
-
R
71
Electrical power. Introduction of
Starter/Generator adaptor fixing nuts washers
of Bristol Siddeley manufacture.
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-16
Mar 1967
-
R
71
Cowlings. To increase height of baffle in jet
pipe fairing assy.
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-17
Mar 1967
-
R
71
Cowlings. Modification to engine cowling
hinged doors ( LH & RH).
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-18
Mar 1967
-
O
71
Cowlings. To introduce Thiokol sealing strips in
lieu of rubber strips at engine pod fairing fillet
closing panels.
Series 1, 1A, 1B, 3, 3A and 3B
SB 71-19
Apr 1968
-
O
71
Drains. Addition of water drain to alternator
cooling air duct.
Series 1, 1A, 1A522, 1A/R522, 1A/S522, 1B,
1B522, 1B/R522, 1B/S522, 3, 3A, 3B, 3A/R,
3B/R, 3A/RA and 3B/RA
SB 71-2
Nov 1964
-
O
71
To reinforce engine pod fillet top skin forward of
main engine mounting.
Series 1, 1A and 1B
SB 71-20
Aug 1968
-
O
71
To reinforce breather connection on LH engine
bottom panel.
Series 1, 1A, 1A-(522), 1A/S-(522), 1A/R-(522),
1B, 1B-(522), 1B/S(522), 1B/R-(522), 3A, 3B,
3A/R, 3B/R, 3A/RA and 3B/RA
12/24/2008
Page 208 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 71-21
Apr 1971
-
O
71
Rear Hinged Cowling Panels. To introduce
baulk on toggle acess doors.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS.125, Series
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B
SB 71-22
Dec 1971
-
O
71
Hinged Cowlings. Pocket added to
starter/generator cooling air intake duct.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, and
400B
SB 71-23
May 1972
-
R
71
Jet Pipe Fairing. To reposition access door
chain.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A. Model HS.125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA, and
400B
SB 71-24
Dec 1976
4
R
71
Drain System. To comply with environmental
regulations mandatory in the USA after 30 June
1975.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH.125, Series
400A and 600A. Model HS.125, Series 1, 1-521,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA,
400B, 401B, 403B and 600B
SB 71-26
Jun 1975
-
O
71
Viper 601. To introduce eight lobe silencers on
both engines
Series 600A and 600B
SB 71-27
May 1977
1
O
71
Viper 601 Engine Breather repositioned to
avoid unsightly surface staining.
Model BH 125, Series 600A. Model HS 125,
Series 600A. Model HS 125, Series 600B.
SB 71-28
Jan 1978
-
R
71
Pylon Electrical Fairleads. Baulk introduced to
prevent incorrect assembly.
Model HS.125, Series 700 and all variants
SB 71-29
May 1978
-
R
71
General. Possibility of failure of upper cowl
latch.
Applivcable to HS 125 aircraft, Series 600F, 700A
and 700B
SB 71-3
Nov 1964
-
I
71
To introduce spigots in pod fillet.
Series 1 and 1B
SB 71-30
Jul 1978
-
I
71
General. To introduce gaskets at engine/engine
driven joints To reduce the possibility of
mounting pad damage and joint leakage.
Model HS.125, Series 700 and all variants, Series
600A with Mod. 252468
12/24/2008
Page 209 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 71-3033
Mar 2003
-
M
71
Power plant - Inspection/replacement of fuel
hoses between the pylon and engine
NOTE: The following aircraft are affected when
the Viper engine is installed. The following aircraft
that have been retrofitted with the TFE731 Garret
engine are not affected. DH.125 Series 1A;
HS.125 Series 1B; DH.125 Series 1A-522;
HS.125 Series 1B-522; DH.125 Series 1A/R-522;
HS.125 Series 1B/R-522; DH.125 Series
1A/S-522; HS.125 Series 1B/S-522; DH.125
Series 3A; HS.125 Series 3B; DH.125 Series
3A/R; HS.125 Series 3B/R; DH.125 Series
3A/RA; DH.125 Series 3B/RA; HS.125 Series
3B/RB; HS.125 Series 3B/RC; HS.125 Series
400B/1; HS.125 Series 401B; HS.125 Series
403A(C); HS.125 Series 403B; BH.125 Series
600A; HS.125 Series 600A; HS.125 Series 600B;
HS.125 Series 600B/1 and HS.125 Series
600B/2.
SB 71-31
Feb 1983
3
R
71
Power plant – TFE 731-3-1H engine –
Introduction of conical spinner – Engine part
no. 3072900-3 replaces 3072900-2 – TFE
731-3R-1H engine – Introduction of conical
spinner – Engine part no. 3074000-2 replaces
3074000-1
All Series with TFE 731-3-1H or TFE 731-3R-1H
engines
SB 71-32
Mar 1983
2
R
71
Power plant - Nacelle Inlet Cowl - Fatigue
Damage
Applicable to all HS 125 aircraft pre mod 252796,
Series 1A, 3A, F-3B, 3A/RA, F-3B/RA, 400A,
F-400B, 600A, F-600B, 700A and 700B
SB 71-33
Jun 1984
1
O
71
Power plant - General - Additional bonding of
engine electrical accessories
Model HS, DH, BH 125 all series with Garrett TFE
731-3 or 3R engines up to and including Series
700A and 700B
SB 71-34
Jun 1992
5
O
71
Powerplant - Engine driven hydraulic power Introduction of ABEX pump type AP05V-086
All BAe 125 aircraft Post Mod 252902 and all
HS/BH/DH 125 aircraft Post Mod 252502.
SB 71-35
Feb 1985
1
R
71
Power plant - Engine mounting - Cowling chafe
damage
Applicable to all Series DH/BH/HS/B.Ae. 125
aircraft fitted with Garrett TFE 731 engines
SB 71-36
Jul 1987
2
R
71
Power plant - Cowlings - Possible damage to
nacelle intake cowls
Applicable to all DH/BH/HS/BAe 125 aircraft fitted
with Garrett 731-3 engines post modification
252796
SB 71-37
May 1985
-
R
71
Power Plant - Engine Cowling - HP bleed air
duct fairing with revised trailing edge
Series 800A and 800B
SB 71-38
Oct 1985
1
M
71
Power plant - Engine mounting - Cowling shaft
damage
Applicable to all Series DH/BH/HS/B.Ae. 125
aircraft fitted with Garret 731-3R-1H engines
12/24/2008
Page 210 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 71-39
May 1987
-
R
71
Powerplant - Cowlings - Introduce Nylon
rubbing strip to upper cowling doors
This modification is applicable to all Series
DH/BH/HS/BAe 125 aircraft with Garrett TFE
731-3 engines installed.
SB 71-40
Apr 1989
2
M
71
Power Plant - Cowlings - Reinforcement of TFE
731-5 Engine exhaust duct Part No.
C46P13100-3 or C46P13100-103
Series 800 except Aircraft fitted with Dee Howard
Thrust Reversers
SB 71-41
Mar 1988
-
I
71
Power plant – Combustion section – Garrett
engine TFE 731-3 revised combustion system
(GTEC SB.731-72-3323FE refers)
All Series Prior to 800 with TFE 731-3 engines
SB 71-42
Mar 1990
-
R
71
Restricted - See Remarks
Series 800A (A/C 258129 131 134)
SB 71-43
Feb 1993
-
M
71
Power Plant - Introduction of engine outer fan
ducts with improved sealing of the outer skin
seams
Series 1000A and 1000B
SB 71-44
Feb 1993
-
R
71
Power Plant - Introduction of Pratt & Whitney
305B engine
Series 1000A and 1000B
SB 71-45
Sep 1994
-
R
71
Engine Drains. To Introduce a gasket between
the engine interface and auxiliary (accessory)
gearbox breather pipe.
BAe 125 Series 1000A and 1000B
SB 71-48
Aug 1997
1
M
71
To introduce a revised method of filling an
un-drained area in the core cowling
BAe 125 series 1000, Hawker 1000, Aircraft
Serial Numbers 258151, 258159. 259003 through
259052.
SB 71-5
Jan 1965
-
O
71
To introduce new type of seal on
starter/generator cooling air outlet.
Series 1, 1A and 1B
SB 71-6
-
R
71
*Superseded by SB 29-5
SB 71-7
-
I
71
*Superseded by SB 10-1
SB 71-8
Mar 1966
1
R
71
Power Plant Mount Installation Incorrect
assembly of front mount bearing.
Applicable to H.S. 125 aircraft Series 1A, 1B and
2
SB 71-9
Feb 1968
5
O
71
General . To introduce Bristol Siddeley Viper
522 engines.
Series 1A and 1B
SB 71-A28
Oct 1977
-
R
71
General - Possible Incorrect Assembly of
Fairlead for Starter/Generator Cables
Applicable to HS 125 Series 700 aircraft without
modification 252643
12/24/2008
Page 211 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
SB 71-A43
Feb 1993
Rev No
*Class
Chapter
-
M
71
Description
Effectivity
Power Plant - Inspection of outer fan duct (RH
and LH engine ) for possible fluid
contamination or disbonding of outer skin joint
sealing
Applicable to Bae 125 series 1000 A and B
Aircraft
12/24/2008
Page 212 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 72
Engine Turbine/Turbo-Prop
SB 72-1
Jul 1988
2
M
72
Engine - Turbine interstage transition duct Embodiment of auxiliary bracket at rear engine
mounting
Applicable to HS/DH/BH 125 aircraft, Series 1A,
3A, F-3B, 3A/RA, F-3B, 3A/RA, 400A, F-400B,
600A, F-600B, 700A and 700B
SB 72-1 - INSP
Aug 1981
-
M
72
Engine - Turbine interstage transition duct Possible inadequate weld penetration at rear
mount
Applicable to HS/DH/BH 125 aircraft, Series 1A,
3A, F-3B, 3A/RA, F-3B, 3A/RA, 400A, F-400B,
600A, F-600B, 700A and 700B
SB 72-2
Feb 1983
1
O
72
Engine fuel and control - General - To provide
the facility for using wide-cut (Avtag) fuel
All Series with Garrett TFE731-3 engine up to and
including 700A and 700B
SB 72-3
Oct 1985
-
M
72
Engine - Turbine interstage transition duct Possible inadequate weld penetration at rear
mount
Applicable to HS/DH/BH 125 aircraft with the
Garrett TFE 731-3 engine, Series 1A, 3A, F-3B,
3A/RA F-3B/RA, 400A, F-400B, 600A, F-600B,
700A and 700B
SB 72-3853
Sep 2007
-
M
72
Engine - Inspection/Replacement of Bleed Air
Duct Gasket
Model 400A, Serials RK-106 through RK-353 with
Kit No. 128-9008-0001 installed; Model 400A
(Hawker 400XP), Serials RK-354 through RK-507
with Kit No. 128-9008-0001 installed; Model 400A
(Hawker 400XP), Serials RK-508 through RK-518
and RK-521 through RK-523.
SB 72-4
Jan 1987
-
M
72
Engine - Rear mounting - Ultimate life limitation
of auxiliary mounting bracket engine
attachment bolt
Applicable to HS/DH/BH 125 aircraft with the
Garrett TFE 731-3 engine, Series 1A, 3A, F-3B,
3A/RA, F-3B/RA, 400A, F-400B, 600A, F-600B,
700A and 700B
SB 72-5
Aug 1988
-
M
72
Engine - Turbine Section - Replacement of
specific serial numbered first stage LP turbine
discs installed in Garrett TFE 731-5R-1H
engines
Applicable to all Garrett TFE 731-5R-1B engines
fitted to B.Ae. 125 Series 800 aircraft
SB 72-6
Jul 1988
-
I
72
Engine - Combustion System - Garrett Engine
TFE 731-5 Revised Combustion System
(GTEC SB.731-72-3347 REFERS)
All Series 800 with Garrett TFE 731-5R-1H
engines
12/24/2008
Page 213 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 73
Engine Fuel and Control
SB 73-1
Sep 1965
2
M
73
To reduce the top datum on the Ultra jet pipe
top temperature control system.
Series 1-521 (25/004) and 1A-521 (25/013, 014,
016)
SB 73-10
Nov 1970
1
R
73
Indicating. To introduce Smith's Mod.02 to diff
pressure switch.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3A/R 3A/RA 3B 3B/RA
400A 400B
SB 73-11
Nov 1970
1
O
73
Differential Pressure Switch. To introduce
Smith's Mod.03 to fuel pressure differential
switch.
Series 1 1A 1B 3 3A 3A/R 3B 3B/R 400
SB 73-12
Feb 1969
-
I
73
To introduce Ultra Mod.U 600 to JPT control
amplifier A3A-31.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B/S-522,
1B/R-522, 3A, 3A/R, 3A/RA, 3B, 3B/RA, 400A
and 400B
SB 73-13
Mar 1970
-
R
73
Engine Top Temp Limiter. To introduce Ultra
Mod.U854.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125, Series 1,
1-521, 1B, 1B-522, 1B/R-522, 1B/S-522, 3B,
3BRA and 400B
SB 73-14
Jun 1971
-
I
73
Fuel Flow indicating. To introduce capacitors at
flowmeter filter units.
Model DH 125, Series 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH 125, Series,
400A. Model HS 125, Series 1B-522, 1B/R-522,
3B, 3BRA and 400B.
SB 73-15
Dec 1973
1
O
73
To introduce restrospectively the
transistorisered Elliot Dual Flow System.
Moel HS 125 Series 3B/RA
SB 73-17
May 1982
3
O
73
Engine fuel and control - Automatic
Performance Reserve - To install A.P.R. unit,
flight deck indicators, reset computers, new
limitations and to re-identify main engines
Model DH.125, Series 1A, 1A/S, 3A, 3A/RA.
Model HS.125, Series 400A and 600A.
SB 73-18
Mar 1980
-
R
73
To delete The APR Event Counter.
All Series with TFE 731 engines up to and
including aircraft serial number 257074, excluding
25067.
SB 73-19
Jun 1980
2
O
73
Engine Fuel and Control - Indication. Screen
Earthed Cables replace non-screened cables
between flowmeter system signal conditioner
and indicator.
All Series with TFE 731 engines up to and
including aircraft number 257097
12/24/2008
Page 214 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 73-2
Jul 1965
-
I
73
To introduce Elliot single channel integrator
units and associated counter indicators on dual
fuel flowmeter system.
Aircraft 015, Series 1B only
SB 73-20
Mar 1984
4
R
73
To improve the bonding of the engine
synchroniser signal conditioner and fuel
computer units.
Series 700A and 700B
SB 73-23
Jan 1992
-
M
73
Engine fuel and control - To provide additional
support for engine fuel pipe (Garrett service
bulletin no. TFE731-73-3107 refers)
All Series pre 800 with Garrett TFE 731-3-1H or
TFE731-3R-1H engines
SB 73-3
Jul 1974
6
M
73
Installation of fuel filter differential pressure
switch on to Zone 2 cowling.
Series 1, 1A, 1B, 3, 3A and 3B
SB 73-3021
Sep 1997
-
R
73
Engine Fuel and Control - Introduction of
extended LP cock and cross feed valve
connecting rods
Hawker 800 and 800XP
SB 73-3813
Oct 2007
-
O
73
Engine Fuel and Control – Elimination of Fuel
System Icing Inhibitor (FSII
Kit No. 128-9009-0001 -- Model 400A Beechjet,
Serials RK-106 through RK-353 with Kit
128-9008-0001 installed; Model 400A (Hawker
400XP), Serials RK-354 through RK-507 with Kit
128-9008-0001 installed; Model 400A (Hawker
400XP), Serials RK-508 through RK-529. Kit No.
128-9008-0001 -- Model 400A Beechjet, Serials
RK-106 through RK-353; Model 400A (Hawker
400XP), Serials RK-354 through RK-507. Kit No.
128-9007-0001 -- Model 400A Beechjet, Serials
RK-106 through RK-353; Model 400A (Hawker
400XP), Serials RK-354 through RK-390 and
RK-392. Kit No. 128-3066-0001 -- Model 400A
Beechjet, Serials RK-106 through RK-353; Model
400A (Hawker 400XP), Serials RK-354 through
RK-390 and RK-392.
SB 73-3885
Jul 2008
-
M
73
Engine Fuel and Control Inspection/Modification of Digital Electronic
Engine Control/Ignition Exciter Unit Wiring
HA-0001 through HA-0049
12/24/2008
Page 215 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 73-3888
Jul 2008
1
R
73
Engine Fuel and Control - Hydromechanical
Unit (HMU) P3 Air Delivery Tubing Modification
Civil: Model 400, Serials RJ-1 through RJ-65;
Model 400A, Serials RK-1 through RK-353,
including airplanes which have incorporated Kit
No. 128-9008 (JT15D-5R Conversion); Model
400A (Hawker 400XP), Serials RK-354 through
RK-557 and RK-559, including airplanes which
have incorporated Kit No. 128-9008 (JT15D-5R
Conversion). Military: Model 400T (T-1A), Serials
TT-1 through TT-180; Model 400T (TX), Serials
TX-1 through TX-13.
SB 73-3903
Dec 2008
-
O
73
Engine Fuel and Control - Fuel System Icing
Inhibitor Elimination
Hawker 4000 Serials RC-5 through RC-22
SB 73-6
Jun 1966
-
I
73
Controlling. To introduce Dowty Mod.SN299 to
synchroniser correction unit 610020009
(Dowty-Rotol SB61-413).
Series 1, 1A and 1B
SB 73-8
Sep 1966
-
R
73
Indicating. To introduce anti-vibration mounting
on Zone 2 cowling for fuel filter diff pressure
switch.
Series 1, 1A, 1B, 3, 3A and 3B
SB 73-9
Nov 1970
1
I
73
Indicating. To introduce Smiths Mod.01 to
pressure switch 143/PG/ AA/4.
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
12/24/2008
Page 216 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 75
Air
SB 75-1
Jul 1970
2
I
75
Introduction of mechanism Mod.Z106 to
altitude switch M2153.
Series 1, 1-521, 1A, 1A-522, 1A/S-522, 1B,
1B-522, 1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA,
3B, 3B/RA, 400A and 400B
SB 75-3
Jun 1977
-
M
75
To delete guard lock from blow-off valve
switches.
Model BH. 125, Series 600A. Model HS.125,
Series 600A and 600B.
SB 75-4
Aug 1983
1
R
75
Engine air - Nacelle Inlet Cowl Anti-icing Possible failure of anti-icing shut off valve
Applicable to HS/DH/BH 125 aircraft with Garrett
TFE 731-3 engines, Series 1A, 3A, F-3B, 3A/RA,
F-3B/RA, 400A, F-400B, 600A, F-600B, 700A up
to and including NA0341 and 700B up to including
7200
SB 75-5
Nov 1986
-
R
75
Engine Anti-icing - Cracking of bleed air pipe
line
Applicable to all B.Ae 125, Series 800A and 800B
SB 75-6
Sep 1988
-
I
75
Viper 601 blow-off valve operating Limits
Revised. In service instances of engine stall or
surge.
All Series 600A and 600B equipped with Viper
601-22 engines
SB 75-7
May 1996
-
R
75
Inspection of the LH engine intake anti-ice
sensor pipe for possible chafing on th P1 probe
sensor tube.
Applicable to all BAe 125 1000A and B, Hawker
1000
SB 75-A2
Jan 1967
-
M
75
Relight procedure for engine flame-out in
severe icing conditions above 22.000 feet.
Applicable to HS.125 aircraft, all Series
12/24/2008
Page 217 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 76
Engine Controls
SB 76-2
Aug 1966
-
O
76
Power Control. To introduce a revised left hand
pulley bracket assembly at Frame 20 A.
Series 1, 1A, 1B and 3
SB 76-3
May 1967
-
O
76
To revise wire-locking for the throttle and fuel
shut-off cock control con-rods in fillet.
Series 1, 1A, 1B, 3, 3A and 3B
SB 76-3480
Aug 2001
-
M
76
Engine Controls - Installation of jumper wire on
computer control switches
Hawker 800XP
SB 76-5
Feb 1970
-
I
76
Engine Controls - Power Control - To introduce
a modified throttle link bolt
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 76-5 - INSP
Sep 1969
-
R
76
Bolt attaching throttle control rod at Barometric
flow control unit No1 engine - Possibility of
fouling.
Model DH 125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model HS 125, Series 1,
1B, 1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B
SB 76-6
Oct 1989
-
R
76
Digital electronic engine control possible
uncommanded engine acceleration.
Applicable to all BAe 125 Series 800 aircraft
SB 76-7
Oct 1992
-
R
76
Engine Controls - Electronic Engine Control To introduce PW305 engines with Pratt &
Whitney SB.PW300-72- 24178
Series 1000 - Post Mod.253301A
SB 76-8
Apr 1995
-
O
76
To introduce an electronic Engine Controller
with an SCN 17 Software standard.
BAe 125 Series 1000A, 1000B and Hawker 1000.
SB 76-9
Jan 1996
-
R
76
Restricted - See Remarks
Hawker 800 U-125A aircraft 258245, 258247,
258250
12/24/2008
Page 218 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 77
Engine Indicating
SB 77-1
Dec 1970
1
O
77
Tachometer. To introduce Smiths Mod.01 on
K.T.D. Indicator.
Series 1A, 1B/S-522, 3A, 3A/R, 3B, 3B/R, 400A
and 400B
SB 77-10
Jun 1982
-
R
77
Instruments – Engine indicating – Introduction
of engine N1 R.P.M. indicator H330C and
amplifier H331C
Applicable to all Series aircraft, Pre Mod 252835,
with Garrett TFE 731-3 or 3R engines, up to and
including series 700 Serial number 257190
SB 77-11
Oct 1983
1
O
77
Engine indicating - Power/temperature - To
introduce Howell 900 Series N1 R.P.M. and
I.T.T. indicators
Applicable to all Series aircraft with Garrett TFE
731-3 engines, up to and including Series 700
aircraft, Series 700B & Series 700A
SB 77-12
Jan 1984
-
R
77
ITT indicator circuits. Defective Thermocouple
cable.
Applicable to HS/BH 125 aircraf of the following
series with Garrett TFE 731-3 engines: Series 3A,
F-3B/RA, F-400B, 600A, F-600B, 700A and 700B
SB 77-14
Jul 1987
-
O
77
Engine indicating - Improved routing on 'N1'
flexible lead at engine foward casing
All 125 aircraft up to and including Series 700A
and 700B
SB 77-15
Nov 1994
1
O
77
Integrated Engine Instrument System. To
introduce Engine Diagnostic System.
BAE 125 Series 1000A, Series 1000B and
Hawker 1000 which are Post Mod. 253364A
SB 77-16
Jan 1995
-
O
77
To introduce Litton N1, N2 and ITT engine
indicators for the left engine only (in-service
evaluation).
Model HS 125, Series 700B
SB 77-17
Jun 1995
-
O
77
To introduce N1 rpm indicator part No.
H901-2508 providing rpm parameter for flight
data recorder system.
Model HS 125, Series 700
SB 77-18
Apr 1996
-
R
77
Engine Indicating - Engine Diagnostic System Upgrade of engine diagnostic unit (EDU)
software
BAe 1000A, 1000B and Hawker 1000
SB 77-2
Mar 1966
-
R
77
Temperature. To introduce provision for
improved take off leads to Jet Pipe
Temperature Thermocouple harness.
Series 1, 1A, 1B and 3
SB 77-3
May 1968
-
I
77
R.P.M. Indicator Smiths KTD 0704W.
Introduction of Smiths Mod.02.
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R, 1B/R-522, 1B/S-522, 3A, 3B, 3A/R,
3B/R, 3A/RA and 3B/RA.
12/24/2008
Page 219 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
SB 77-3210
Description
Effectivity
Feb 1999
-
R
77
Engine Indicating - Modification of engine
diagnostic system circuitry
BAe 125 Series 1000A, Series 1000B and
Hawker 1000 which are post Modification No.
253364A, B, C & D
SB 77-4
Oct 1970
1
I
77
To introduce Sangamo Weston Modification
`AC' to variants of Temperature Indicator
S-196-1 Parts A.B.C.D and F as detailed.
Series 1 1A 1A-522 1A/S-522 1B 1B-522
1B/S-522 1B/R-522 3A 3B 3A/R 3A/RA 3B/RA
400
SB 77-6
Jul 1974
2
R
77
JPT terminal blocks repositioned on inboard
side of pylon web.
Model BH.125, Series 600A, Model HS.125,
Series 600B
SB 77-7
Jul 1974
-
R
77
Jet Pipe Temperature.
Model BH.125, Series 600A
12/24/2008
Page 220 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 78
Exhaust
SB 78-1
Nov 1986
-
O
78
To introduce an improved Thrust Reverser
installation to include indication of blocker
doors incorrectly stowed.
All H.S. 125 Series 700A aircraft with Aeronca
Thrust Reversers embodied to B.Ae Mod.
256991B
SB 78-11
Aug 1993
-
R
78
Exhaust - Inspection of thrust reverser stow
microswitches for correct setting
Applicable to BAe 125 1000 aircraft
SB 78-12
Jan 1994
-
M
78
Inspection of thrust reverser drive mechanism
for integrity
Applicable to all Hawker 1000 and BAe 125
Series 1000A & B aircraft
SB 78-14
Dec 1995
1
M
78
Thrust Reverser - Introduction of upper and
lower secondary locks, microswitches and
wiring.
253691 Part A and Part E: BAe 125 Series
1000A, 1000B and Hawker 1000 Pre. Mod.
253352. 253691 Part B and Part E: BAe 125
Series 1000A, 1000B and Hawker 1000 Post Mod
253352.
SB 78-18
Nov 1995
-
R
78
EXHAUST - To introduce modified pylons,
modified outer fan ducts and thrust reversers
with secondary locks
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 78-19
Dec 1995
-
O
78
EXHAUST - To modify versers and add
secondary locks.
BAe 125 Series 1000A, 1000B and Hawker 1000
SB 78-2
Apr 1990
-
O
78
Exhaust - Thrust Reversers - Introduction of
Dee Howard Thrust Reverser System
Series 800A
SB 78-20
Dec 1997
1
O
78
To check the clearance and if necessary,
increase the clearance between the thrust
reverser harness connector and the thrust
reverser door.
BAe 125 Series 1000 and Hawker 1000
SB 78-21
Jan 1997
-
O
78
Introduction of improved thrust reverser stow
and deploy switch mounting brackets and
revised rigging instructions.
BAe 125 Series 1000 and Hawker 1000
SB 78-22
Jan 1997
-
R
78
Engine Exhaust - Change of hardware that
attaches the thrust reverser assembly to the
afterbody assembly
Hawker 800XP
SB 78-3
Apr 1990
-
O
78
Exhaust - Thrust Reversers - Introduction of
Thrust Reversers Throttle Box Provision
Series 800A
12/24/2008
Page 221 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
SB 78-3195
Jul 1998
-
O
78
Thrust reverser - Stang fairing assembly Stang tip reinforcement and rub strip
installation
BAe 125 Series 1000 and Hawker 1000
SB 78-3206
Sep 1998
-
R
78
Exhaust - Thrust reverser latch actuator
replacement
HAWKER 800 XP
SB 78-3260
Sep 1999
-
O
78
Exhaust - Thrust Reversers - Replacement of
guide rod bushings in the AFT support
assembly
BAe 125 Series 1000 and Hawker 1000.
SB 78-3262
Oct 1999
-
R
78
Exhaust - Inspection/Replacement of LH thrust
reverser microswitch wiring
Hawker 800XP
SB 78-3445
Feb 2001
-
R
78
Restricted - See Remarks
Hawker 800
SB 78-3487
Mar 2004
-
R
78
Exhaust - Fan Duct - Inspection and Repair
Hawker 800XP Serial Nos 258266 through
258544.
SB 78-3677
May 2005
1
O
78
Exhaust - Addition of Drain Holes in Thrust
Reverser Doors and THE NORDAM GROUP
Service Bulletin No. 5000BR 78-10
All Hawker 800XP, Serials 258266 through
258669 equipped with TR5000BR Thrust
Reversers.
SB 78-4
Mar 1992
1
M
78
Dee Howard Thrust Reversers. Introduction of
Countersunk Headed Bolts at the Thrust
Reverser Door Hinge Pivot.
Series 800 aircraft which are Post Mod.259283C
SB 78-5
Oct 1992
-
R
78
Exhaust - Thrust Reverser Hydraulics Introduction of thrust reverser hydraulic control
valves with revised valve components
Series 1000 Pre Mod.253485B
SB 78-6
Oct 1992
-
R
78
Exhaust - Thrust Reverser - Removal of special
features inhibiting operating use of thrust
reversers
Series 1000 Pre Mod.253482A
SB 78-7
Oct 1992
-
R
78
Exhaust - Thrust Reverser - Revised method of
invoking thrust reverse autostow
Series 1000 Pre Mod.253614A
SB 78-9
Jan 1994
-
M
78
Thrust Reversers. Control Circuit wiring
revisions.
Series 1000
SB A78-13
May 1994
-
R
78
* Superseded by SB 29-96
BAe 125 1000A & B with Mod.253351A
12/24/2008
Page 222 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 79
Oil
SB 79-1
Nov 1967
1
R
79
To introduce engine oil pressure indicator
Sangamo Weston Part No.S149-1-582.
Series 1A, 1B, 3A and 3B
SB 79-2
Sep 1971
-
R
79
A revised placard is introduced with increased
oil temperature limit. Indicator S149-1-629
replaces S149-1-456.
Model DH.125, Series 1A, 1A-522, 1A/S-522, 3A,
3AR, 3ARA and 400A. Model BH. 125, Series
400A. Model HS. 125, Series 1, 1-521, 1B,
1B-522, 1B/R-522, 1B/S-522, 3B, 3BRA and
400B.
SB 79-3183
Nov 1998
-
O
79
Oil - Removal of remote indication for engine
chip detection
BAe 125 Series 800A/B.
12/24/2008
Page 223 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information
Service Bulletins (sorted by ATA Chapter/SB Number)
SB No.
Date
Rev No
*Class
Chapter
Description
Effectivity
ATA Chapter 80
Starting
SB 80-1
Nov 1965
-
O
80
Starting - Ignition - To introduce improvements
to the fixings of the ignitor battery tray
Series 1, 1A, 1B and 3
SB 80-2
Mar 1979
4
O
80
Starting - Cranking - To introduce optional use
of fanned Starter/Generators for Aircraft with
Viper 521 or 522 engines fitted
Series 1A, 1B and 3
SB 80-4
Nov 1970
1
I
80
Starting - To introduce A.E.I. Modification CV
1370 to Engine Starting High Energy Ignition
Unit C 44TS/1
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/R-522, 1B/S-522, 3A, 3AR, 3ARA, 3B, 3BRA,
400A and 400B
SB 80-5
Jul 1968
-
R
80
Starting - Air - To introduce a warning label in
the cockpit for engine relight and anti-ice
system
Series 1, 1A, 1A-522, 1A/R-522, 1A/S-522, 1B,
1B-522, 1B/R-522, 1B/S-522, 3A, 3A/R, 3A/RA,
3B, 3B/R and 3B/RA
SB 80-6
Mar 1969
1
I
80
Starting - To introduce A.E.I. High Energy
Igniter Unit Type C44 TS Form 4 in lieu of C44
TS, Form 1
Series 1, 1A, 1A-522, 1A/S-522, 1B, 1B-522,
1B/S-522, 1B/R-522, 3A, 3A/R, 3A/RA, 3B,
3B/RA, 400A and 400B
SB 80-7
Oct 1975
-
O
80
Starting - To improve the performance of the
Engine Start electrical System.
Model BH.125, Series 600A. Model HS.125,
Series 600B
SB 80-8
May 1978
-
R
80
Starting - Engine Start H.P. Cock
Microswitches - To improve operation of the
H.P. Cock Microswitches in the throttle box
Model HS. 125, Series 700 and all variants
SB 80-8 - INSP
Jan 1978
-
R
80
Starting - Engine Start HP Cock Microswitches
- Unsatisfactory engagement of operating roller
on CAM profile
Model HS. 125, Series 700 and all variants
SB 80-A3
Jan 1968
-
R
80
Ignition Units and Ignitor Plugs. Temporary
revision of proprietary overhaul periods.
HS. 125 aircraft, all series
12/24/2008
Page 224 of 224
Hawker Service Bulletin Master Index
*Class: M = Mandatory; O = Optional; R = Recommended; I = Information