CIVIL AVIATION REQUIREMENTS
SERIES
PART I
SECTION 9
12TH SEPTEMBER 2022
APPENDIX 4.
ATS AIRSPACE CLASSES
SERVICES PROVIDED AND FLIGHT
REQUIREMENTS
(Para 2.6 refers)
Class
Typeof
flight
A
IFR only
All aircraft
IFR
All aircraft
B
VFR
IFR
C
VFR
IFR
Separation
provided
All aircraft
IFR from IFR
IFR from VFR
VFR from
IFR
IFR from IFR
D
VFR
IFR
Nil
IFR from IFR
E
VFR
IFR
Nil
IFR from IFRas
far as
practical
F
VFR
Service
provided
Air traffic control
service
Air traffic control
service
Air traffic control
service
Air traffic control
service
1) Air traffic control
service for
separation from
IFR;
2) VFR/VFR traffic
information (and
traffic avoidance
advice on request)
Air traffic control
service, traffic
information about
VFR flights (and
traffic avoidance
advice on request)
IFR/VFR and
VFR/VFR traffic
information (and
traffic avoidance
advice on request)
Air traffic control
service and, as far
as practical, traffic
information about
VFR flights
Traffic information
as far as practical
Air traffic advisory
service; flight
information service
Nil
Flight information
service
IFR
Nil
Flight information
service
VFR
Nil
Flight information
service
G
Speed
limitation*
Radio
communication
requirement
Not applicable
Continuous twoway
Continuous twoway
Continuous twoway
Not applicable
Continuous twoway
Not applicable
Not applicable
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
250 kt IAS
below 3 050 m
(10 000 ft)
AMSL
Subjectto
an ATC
clearance
Yes
Yes
Yes
Yes
Continuous twoway
Yes
Continuous twoway
Yes
Continuous twoway
Yes
Continuous twoway
Yes
No
No
Continuous twoway
No
No
No
Continuous twoway
No
No
No
* When the height of the transition altitude is lower than 3 050 m (10 000 ft) AMSL, FL 100 should be used in lieu of10 000 ft.
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