17 SEP 2015
GEN 2.2 - 1
17 SEP 2015
AIP IRELAND
GEN 2.2
ABBREVIATIONS USED IN AIS PUBLICATIONS
Abbreviations marked by an asterisk (*) are either different from or not contained in ICAO Doc. 8400.
A
A
*A
AAA
A/A
AAD
AAIM
AAL
ABI
ABM
ABN
ABT
ABV
AC
ACARS
ACAS
ACC
ACCID
ACFT
ACK
ACL
ACN
ACP
ACPT
ACT
AD
ADA
ADC
ADDN
ADF
ADIZ
ADJ
*ADMIN
ADO
ADR
ADS
ADS
ADS-B
ADS-C
ADSU
ADVS
Amber
Approach
(Used to specify the purpose of a
Radio Navigation Aid)
Amended meteorological message
Air-to-air
Assigned altitude deviation
Aircraft autonomous integrity
monitoring
Above aerodrome level
Advance boundary information
Abeam
Aerodrome beacon
About
Above
Altocumulus
Aircraft communication addressing and reporting system
Airborne collision avoidance system
Area control centre or area control
Notification of an aircraft accident
Aircraft
Acknowledge
Altimeter check location
Aircraft Classification Number
Acceptance
Accept or accepted
Active or activated or activity
Aerodrome
Advisory area
Aerodrome chart
Addition or additional
Automatic Direction Finding
Air defence identification zone
Adjacent
Administration
Aerodrome office
Advisory route
Automatic dependent surveillance
The address when this abbreviation is used to request a repetition,
the question mark (IMI) precedes
the abbreviation, e.g. IMI ADS (to
be used in AFS as a procedure
signal)
Automatic dependant surveillance
- broadcast
Automatic dependant surveillance
- contract
Automatic dependent surveillance
unit
Advisory service
Irish Aviation Authority
ADZ
AES
AFIL
AFIS
AFM
AFS
AFT
AFTN
A/G
AGA
AGL
AGN
*AGNIS
AIC
AIDC
AIP
AIRAC
AIREP
AIRMET
AIS
ALA
ALERFA
ALR
ALRS
ALS
ALT
ALTN
ALTN
AMA
AMD
AMDT
AMS
AMSL
AMSS
ANC
ANCS
ANS
*ANSP
AO
*AO
AOC
Advise
Aircraft earth station
Flight plan filed in the air
Aerodrome Flight Information
Service
Yes or affirm or affirmative or that
is correct
Aeronautical fixed service
After…
Aeronautical Fixed Telecommunication Network
Air-to ground
Aerodromes, air routes and
ground aids
Above ground level
Again
Azimuth Guidance for Nose-In
Stand
Aeronautical Information Circular
Air traffic services inter-facility
data communication
Aeronautical Information Publication
Aeronautical Information Regulation and Control
Air-report
Information concerning en-route
weather phenomena which may
effect the safety of low-level aircraft operations
Aeronautical Information Services
Alighting area
Alert phase
Alerting
Alerting service
Approach lighting system
Altitude
Alternate or alternating
Alternate
Area minimum altitude
Amend or amended
Amendment
Aeronautical mobile service
Above mean sea level
Aeronautical mobile satellite service
Aeronautical Chart 1:500 000
Aeronautical Navigation Chart
Small Scale
Answer
Aeronautical Navigation Service
Provider
Oceanic control area
Aircraft Operator
Aerodrome obstacle chart
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 2
17 SEP 2015
*AOC
AP
APAPI
APCH
APDC
APN
APP
APR
APRX
APSG
APV
*APV
ARC
ARNG
ARO
ARP
ARP
ARQ
ARR
ARR
ARS
ARST
AS
ASC
ASDA
ASE
ASPEEDG
ASPEEDL
ASPH
AT…
ATA
ATC
ATD
ATFM
ATIS
ATM
*ATM
ATN
ATP
ATS
*ATSU
ATTN
AT-VASIS
ATZ
AUG
AUTH
AUW
AUX
AIP IRELAND
Air Operator Certificate
Airport
Abbreviated precision approach
path indicator
Approach
Aircraft parking/docking chart
Apron
Approach control office or approach control or approach control service
April
Approximate or approximately
After passing…
Approve or approved or approval
Approach Procedures with Vertical guidance
Area chart
Arrange
Air traffic services reporting office
Aerodrome reference point
Air-report
Automatic error correction
Arrive
Arrival
Special air-report
Arresting
Altrostratus
Ascent to or ascending to
Accelerate stop distance available
Altimetry system error
Airspeed gain
Airspeed loss
Asphalt
At (followed by time at which
weather change is forecast to occur)
Actual time of arrival
Air Traffic Control
Actual time of departure
Air traffic flow management
Automatic terminal information
service
Air traffic management
Automated Teller Machine or Automatic Teller Machine
Aeronautical telecommunication
network
At…
Air traffic services
Air traffic service unit
Attention
Abbreviated T visual approach
slope indicator system
Aerodrome traffic zone
August
Authorized or authorization
All up weight
Auxiliary
AIRAC Amdt 009/15
AVBL
AVG
AVGAS
AWTA
AWY
AZM
Available or availability
Average
Aviation gasoline
Advise at what time able
Airway
Azimuth
B
B
BA
BASE
BCFG
BCN
BCST
BDRY
BECMG
BFR
BKN
BL
BLDG
BLO
BLW
BOMB
BR
BRF
BRG
BRKG
BS
BTL
BTN
Blue
Braking action
Cloud base
Fog patches
Beacon
Broadcast
Boundary
Becoming
Before
Broken
Blowing
Building
Below clouds
Below…
Bombing
Mist
Short
Bearing
Braking
Commercial broadcasting station
Between layers
Between
C
C
C
CAT
CAT
CAVOK
CB
CC
CCA
*CCO
CD
CDN
*CDO
*CET
CF
CFM
CGL
CH
CH
CHG
CI
Centre
Degrees Celsius
Category
Clear air turbulence
Visibility, cloud and present
weather better than prescribed
values or conditions
Cumulonimbus
Cirrocumulus
Corrected meteorological message
Continuous climb operation
Candela
Co-ordination message
Continuous descent operation
Civil Evening Twilight
Change frequency to…
Confirm or I confirm
Circling guidance light(s)
Channel
This is a channel – continuity check of transmission to permit
comparison of your record of
channel sequence numbers of
messages received on the channel
Modification message
Cirrus
Irish Aviation Authority
17 SEP 2015
GEN 2.2 - 3
17 SEP 2015
AIP IRELAND
CIDIN
CIT
CIV
CK
CL
CLA
CLBR
CLD
CLG
CLIMB-OUT
CLR
CLRD
CLSD
cm
CMB
CMPL
*CMT
CNL
CNL
CNS
COM
CONC
COND
CONS
CONST
CONT
COOR
COORD
COP
COR
COT
COV
CPDLC
CPL
CRC
CRZ
CS
CS
CTA
CTA
CTAM
CTC
CTL
CTN
CTR
CU
CUF
CUST
CVR
CW
CWY
Common ICAO data interchange
network
Near or over large towns
Civil
Check
Centre line
Clear type of ice formation
Calibration
Cloud
Calling
Climb-out area
Clear or cleared to… or clearance
Runway(s) cleared
Close or closed or closing
Centimetre
Climb to or climbing to
Completion or completed or complete
Civil Morning Twilight
Cancel or cancelled
Flight plan cancellation
Communications, navigation and
surveillance
Communications
Concrete
Condition
Continuous
Construction or constructed
Continue(s) or continued
Coordinate, or co-ordination
Coordinates
Change-over point
Correct or corrected or correction
At the coast
Cover or covered or covering
Controller – pilot data link communications
Current flight plan message
Cyclic redundancy check
Cruise
Cirrostratus
Call sign
Control area
*Common Travel Area
Climb to and maintain
Contact
Control
Caution
Control zone
Cumulus
Cumuliform
Customs
Cockpit voice recorder
Continuous wave
Clearway
D
D
D
Downward
Danger area
Irish Aviation Authority
DA
D - ATIS
DCD
DCKG
*DCL
DCP
DCPC
DCS
DCT
DE
DEC
DEG
DEP
DES
DEST
DETRESFA
DEV
DFDR
DFTI
DH
DIF
DIST
DIV
DLA
DLA
DLIC
DLY
DME
DNG
*DOC
*DOC
DOM
DP
DPT
DR
DR
DRG
DS
DSB
DTAM
DTG
DTHR
DTRT
DTW
DU
DUC
DUPE
DUR
D–VOLMET
DVOR
DW
DZ
Decision altitude
Data link automatic terminal information service
Double channel duplex
Docking
Digital Clearance
Datum crossing point
Direct controller-pilot communications
Double channel simplex
Direct
From
December
Degrees
Depart or departure or departure
message
Descend to or descending to
Destination
Distress phase
Deviation or deviating
Digital flight data recorder
Distance from touch down indicator
Decision height
Diffuse
Distance
Divert or diverting
Delay or delayed
Delay
Data link initiation capability
Daily
Distance measuring equipment
Danger or dangerous
ICAO Document
Designated Operational Coverage
Domestic
Dew point temperature
Depth
Dead reckoning
Low drifting
During
Dust storm
Double sideband
Descend to and maintain
Date-time group
Displaced runway threshold
Deteriorate or deteriorating
Dual tandem wheels
Dust
Dense upper cloud
This is a duplicate message
Duration
Data link VOLMET
Doppler VOR
Dual wheels
Drizzle
E
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 4
17 SEP 2015
E
*E
AIP IRELAND
East or Eastern longitude
Enroute (Used to specify the purpose of a Radio Navigation Aid)
Eempli Gratia
European AIS Database
European Aviation Safety Agency
Expected approach time
Eastbound
European Community
Elevation differential area
European Economic Area
European Economic Community
Error
Estimated elapsed time
Expect further clearance
European geostationary navigation overlay service
Extremely high frequency
Emergency location beacon-aircraft
Elevation
Extra long range
Emergency locator transmitter
Emission
Electronic Mail
Embedded in a layer
Emergency
English Language
Stop-end
East-north-east
Engine
En route
Enroute chart
Estimated off-block time
Equipment
Here…or herewith
East-south-east
Estimate or estimated or estimate
Estimated time of arrival or estimating arrival
et cetera
Estimated time of departure or estimating departure
Estimated time over significant
point
European Union
Europe
Every
Except
Exercise or exercising or to exercise
Expected or expending
Extended or extending
*e.g.
*EAD
*EASA
EAT
EB
*EC
EDA
*EEA
*EEC
EEE
EET
EFC
EGNOS
EHF
ELBA
ELEV
ELR
ELT
EM
*Email
EMBD
EMERG
*En
END
ENE
ENG
ENR
ENRC
EOBT
EQPT
ER
ESE
EST
ETA
*etc.
ETD
ETO
*EU
*EUR
EV
EXC
EXER
EXP
EXTD
F
F
*FAA
FAC
FAF
Fixed
Federal Aviation Administration
Facilities
Final approach fix
AIRAC Amdt 009/15
FAL
Facilitation of international air
transport
Final approach point
Final approach and take-off area
Facsimile transmission
Light
Funnel cloud
Forecast
Friction coefficient
Flight data processing system
Flight Data Recorder
February
Few
Fog
Flight information centre
Flight information region
Flight information service
Automated flight information service
Flight level
Field
Flashing
Flares
Flight
Flight check
Fluctuating or fluctuation or fluctuated
Follow(s) or following
Fly or flying
From
From (followed by time weather
change is forecast to begin)
Flight management system
Flow management unit
Final approach
Flight pass alignment point
Filed flight plan
Feet per minute
Flight plan route
Fuel remaining
Frequency
Friday
Firing
Front
Frequent
Full stop landing
Flight service station
First
Feet
Fictitious threshold point
Smoke
Freezing
Freezing drizzle
Freezing fog
Freezing rain
FAP
FATO
FAX
FBL
FC
FCST
FCT
FDPS
*FDR
FEB
FEW
FG
FIC
FIR
FIS
FISA
FL
FLD
FLG
FLR
FLT
FLTCK
FLUC
FLW
FLY
FM
FM….
FMS
FMU
FNA
FPAP
FPL
FPM
FPR
FR
FREQ
FRI
FRNG
FRONT
FRQ
FSL
FSS
FST
ft
FTP
FU
FZ
FZDZ
FZFG
FZRA
G
G
G
Green
Variations from the mean wind
Irish Aviation Authority
17 SEP 2015
GEN 2.2 - 5
17 SEP 2015
AIP IRELAND
GA
*GAT
G/A
G/A/G
GAGAN
GARP
GAMET
GBAS
GCA
GEN
GEO
GES
GLD
GLONASS
GLS
GMC
GND
GNDCK
GNSS
GOC
GP
*GP
GPS
*GPWS
GR
GRAS
GRASS
GRIB
GRVL
GS
GS
GUND
speed
Go ahead, resume sending
General Air Traffic
Ground to air
Ground to air and air to ground
GPS and geostationary earth orbit
augmented navigation
GBAS azimuth referencia point
Area forecast for low-level flights
Ground-based augmentation system
Ground control approach system
or ground control approach
General
Geographic or true
Ground earth station
Glider
Global orbiting navigation satellite
system
GBAS landing system
Ground movement chart (followed
by name/title)
Ground
Ground check
Global navigation satellite system
General Officer Commanding
Glide path
General Purpose
Global positioning system
Ground Proximity Warning System
Hail
Ground-based regional augmentation system
Grass landing area
Processed meteorological data in
the form of grid point values
Gravel
Ground speed
Small hail and/or snow pellets
Geoid undulation
H
H
H24
HAPI
HCH
HBN
HDF
HDG
HEL
HF
HGT
HJ
HLDG
*HMU
High pressure area or the centre
of high pressure
Continuous day and night service
Helicopter approach path indicator
Heliport crossing height
Hazard beacon
High frequency direction finding
station
Heading
Helicopter
High frequency
Height or height above
Sunrise to sunset
Holding
Height Monitoring Units
Irish Aviation Authority
HN
HO
Sunset to sunrise
Service available to meet operational requirements
Holiday
Hospital aircraft
Hectopascal
Hours
Heliport reference point
Service available during hours of
scheduled operations
Hurricane
High and very high frequency direction finding stations
Heavy
No specific working hours
Higher
Haze
Hertz
HOL
HOSP
HPA
HR
HRP
HS
HURCN
HVDF
HVY
HX
HYR
HZ
Hz
I
*i.e.
*IAA
IAC
IAF
*IAIP
*IAMSAR
IAP
IAR
IAS
IBN
IC
*ICAO
ICE
ID
IDENT
*IDF
IF
IFF
*IFPS
IFR
IGA
ILS
IM
IMC
IMG
IMI
IMPR
IMT
INA
INBD
INC
INCERFA
*incl
IRS
id est (that is)
Irish Aviation Authority
Instrument approach chart
Initial approach fix
Integrated Aeronautical Information Package
International Aeronautical and
Maritime Search and Rescue
Instrument approach procedure
Intersection of air routes
Indicated air speed
Identification beacon
Ice crystals
International Civil Aviation Organization
Icing
Identifier or identify
Identification
Initial departure fix
Intermediate approach fix
Identification friend/foe
Integrated Initial Flight Plan Processing System
Instrument flight rules
International general aviation
Instrument landing system
Inner marker
Instrument meteorological conditions
Immigration
Interrogation sign
Improve or improving
Immediate or immediately
Initial approach
Inbound
In cloud
Uncertainty phase
Inclusive
Inertial Reference System
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 6
17 SEP 2015
INFO
INOP
INP
INPR
INS
INSTL
INSTR
INT
INTL
INTRG
INTRP
AIP IRELAND
Information
Inoperative
If not possible
In progress
Inertial navigation system
Install or installed or installation
Instrument
Intersection
International
Interrogator
Interrupt or interruption or interrupted
Intensify or intensifying
Intensity
Ice on runway
Implementing Rules
International standard atmosphere
Independent sideband
Isolated
INTSF
INTST
IR
*IRs
ISA
ISB
ISOL
LMT
LNG
LO
LOC
*LOM
LONG
LORAN
LR
LRG
LS
LTD
LTP
LTT
LV
LVE
LVL
LYR
J
JAN
*JAR
JTST
JUL
JUN
M
January
Joint Aviation Requirement
Jet stream
July
June
K
kg
kHz
km
km/h
kPa
kts
kW
Kilogrammes
Kilohertz
Kilometres
Kilometres/hour
Kilo pascal
Knots
Kilowatts
L
L
L
LAM
LAN
LAT
LCA
LDA
LDAH
LDG
LDI
LEN
LF
LGT
LGTD
LIH
LIL
LIM
*LLZ
LM
*LNAV
Local Mean Time
Long
Locator outer
Localizer
Locator Outer Marker
Longitude
LORAN (Long Range Navigation
Systems)
The last message received by me
was ….
Long range
The last message sent by me was
….
Limited
Landing threshold point
Land line teletypewriter
Light and variable
Leave or leaving
Level
Layer or layered
Left
Locator
Logical acknowledgement
Inland
Latitude
Local or Locally or location or located
Landing distance available
Landing distance available, helicopter
Landing
Landing direction indicator
Length
Low frequency
Light or lighting
Lighted
Light intensity high
Light intensity low
Light intensity medium
Localizer
Locator, middle
Lateral Navigation
AIRAC Amdt 009/15
M
M
M
MAA
MAG
MAINT
MAP
MAPT
MAR
MAR
MAS
*MASPS
MAX
MAY
MBST
MCA
*MCH
MCW
MDA
MDF
MDH
MEA
MEHT
MET
METAR
METREPORT
MF
MHDF
MHVDF
MHz
Mach number
Metres
Minimum values of runway visual
range
Maximum authorized altitude
Magnetic
Maintenance
Aeronautical maps and charts
Missed approach point
March
At sea
Manual A1 symplex
Minimum Aviation System Performance Standards
Maximum
May
Microburst
Minimum crossing altitude
Minimum crossing height
Modulated continuous wave
Minimum descent altitude
Medium frequency direction-finding station
Minimum descent height
Minimum en-route altitude
Minimum eye-height over threshold
Meteorological or meteorology
Aviation routine weather report
Local routine meteorological report
Medium frequency
Medium and high frequency direction- finding stations
Medium, high and very high frequency direction-finding stations
Megahertz
Irish Aviation Authority
17 SEP 2015
GEN 2.2 - 7
17 SEP 2015
AIP IRELAND
MID
MIFG
MIL
MIN
MIS
MKR
MLS
MM
MNM
MNPS
Mid-point
Shallow fog
Military
Minutes
Missing …
Marker radio beacon
Microwave landing system
Middle marker
Minimum
Minimum navigation performance
specifications
Monitor or monitoring or monitored
Maintain
Military operating area
Minimum obstacle clearance
Moderate
Above mountains
Monday
Minimum operational performance standards
Meteorological Operational Telecommunications Network Europe
Move or moving or movement
Metres per second
Minimum reception altitude
Medium range
ATS per MET reporting point
Minus
Minimum sector altitude
Multi-functional transport satellite
(MTSAT) satellite-based augmentation system
Minimum safe altitude warning
Message
Mean sea level
Message …
Monopulse secondary surveillance radar
Mountain
Metric units
Mountain waves
Medium and very high frequency
direction-finding stations (at the
same position)
Meteorological watch office
Mixed type of ice formation
MNT
MNTN
MOA
MOC
MOD
MON
MON
MOPS
MOTNE
MOV
MPS
MRA
MRG
MRP
MS
MSA
MSAS
MSAW
MSG
MSL
MSR
MSSR
MT
MTU
MTW
MVDF
MWO
MX
N
N
N
NASC
NAT
NAV
NB
NBFR
NC
NCD
NDB
North or Northern latitude
No distinct tendency
National AIS system centre
North Atlantic
Navigation
Northbound
Not before
No change
No cloud detected
Non-directional radio beacon
Irish Aviation Authority
NDV
NE
NEB
NEG
No directional variations available
North-east
North-eastbound
No or negative or permission not
granted or that is not correct
Night
None or I have nothing to send to
you
Nautical miles
Normal
North - north-east
North - north-west
No
International NOTAM office
Nominal
No significant change
Northern Oceanic Transition Area
A notice distributed by means of
telecommunication containing information concerning the establishment, condition or change in
any aeronautical facility, service,
procedure or hazard, the timely
knowledge of which is essential to
personnel concerned with flight
operations.
November
Normal operating zone
Number
No reply heard
Nimbostratus
Nil significant cloud
Nil significant weather
National
No transgression zone
North-west
North-westbound
Next
NGT
NIL
NM
NML
NNE
NNW
NO
NOF
*Nom
NOSIG
*NOTA
NOTAM
NOV
NOZ
NR
NRH
NS
NSC
NSW
NTL
NTZ
NW
NWB
NXT
O
OAC
OAS
OAT
OBS
OBSC
OBST
OCA
OCA
OCC
OCH
OCNL
OCS
OCT
OFZ
OGN
OHD
OK
OLDI
Oceanic area control centre
Obstacle assessment surface
Operational Air Traffic
Observe or observed or observation
Obscure or obscured or obscuring
Obstacle
Obstacle clearance altitude
Oceanic control area
Occulting
Obstacle clearance height
Occasional or occasionally
Obstacle clearance surface
October
Obstacle free zone
Originate
Overhead
We agree or it is correct
On line data interchange
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 8
17 SEP 2015
OM
OPA
AIP IRELAND
Outer marker
Opaque, white type of ice formation
Control indicated is operational
control
Operational meteorological (information)
Open or opening or opened
Operator or operate or operative
or operating or operational
Operations
On request
Indication of an order
Operational reply message
Ordnance Survey Ireland
Ocean station vessel
Outlook
On top
Organized track system
Outbound
Overcast
OPC
OPMET
OPN
OPR
OPS
O/R
ORD
*ORM
*OSI
OSV
OTLK
OTP
OTS
OUBD
OVC
P
P
P
PA
PALS
PANS
PAPI
PAR
PARL
PATC
PAX
PBN
PCD
PCL
PCN
PDC
PDG
PER
PERM
PIB
PJE
PL
PLA
PLN
PLVL
PN
PNR
PO
POB
POSS
PPI
PPR
PPSN
PRFG
Maximum values of runway visual
range
Prohibited area
Precision approach
Precision approach lighting system
Procedures for air navigation services
Precision approach path indicator
Precision approach radar
Parallel
Precision approach terrain chart
Passenger(s)
Performance-based navigation
Proceed or proceeding
Pilot controlled lighting
Pavement classification number
Predeparture clearance
Procedure design gradient
Performance
Permanent
Preflight information bulletin
Parachute jumping exercise
Ice pellets
Practice low approach
Flight plan
Present level
Prior notice required
Point of no return
Dust/sand whirls (dust devils)
Persons on board
Possible
Plan position indicator
Prior permission required
Present position
Aerodrome partially covered by
AIRAC Amdt 009/15
fog
Primary
Parking
Probability
Procedure
Provisional
Plus
Passing
Position
Pierced steel plank
Primary surveillance radar
Pressure system(s)
Procedure turn
Polar track structure
Power
PRI
PRKG
PROB
PROC
PROV
PS
PSG
PSN
PSP
PSR
PSYS
PTN
PTS
PWR
Q
QDL
Do you intend to ask me for a series of bearings? or I intend to ask
for a series of bearings (to be
used in radiotelegraphy as a Q
Code)
Magnetic heading (zero wind)
Magnetic bearing
Atmospheric pressure at aerodrome elevation
Magnetic orientation of runway
What is my distance to your station or Your distance to my station
is
Shall I run my test tape/a test sentence or run your test tape/a test
sentence
Altimeter sub-scale setting to obtain elevation when on the ground
Will you relay to … free of charge
or I will relay to … free of charge
Shall I cancel telegram number…? or cancel telegram number …
True bearing
Will you give me the position of
my station according to the bearings taken by the D/F stations
which you control or the position
of your station according to the
bearings taken by the D/F stations
that I control was … latitude …longitude
Quadrant
Will you indicate the TRUE track
to reach you or The TRUE track to
reach me is … degrees at …
hours
QDM
QDR
QFE
QFU
QGE
QJH
QNH
QSP
QTA
QTE
QTF
QUAD
QUJ
R
R
R
R
Right
Red
Runway (followed by figures in
METAR/SPECI)
Irish Aviation Authority
17 SEP 2015
GEN 2.2 - 9
17 SEP 2015
AIP IRELAND
R
R
RA
RAC
RAG
RAI
RAIM
RASC
RASS
RB
RCA
RCC
RCF
RCH
RCL
RCLL
RCLR
*RCP
*RDARA
RDH
RDL
RDO
RE
REC
REDL
REF
REG
RENL
REP
REQ
RERTE
RESA
*RET
*RFFS
*RFL
RG
RHC
RIF
RITE
RL
RLA
RLCE
RLLS
RLNA
*RMA
RMAC
RMK
RNAV
RNG
RNP
ROBEX
ROC
Received
Restricted area
Rain
Rules of the air and air traffic services
Ragged
Runway alignment indicator
Receiver autonomous integrity
monitoring
Regional AIS system centre
Remote altimeter setting source
Rescue boat
Reach cruising altitude
Rescue co-ordination centre
Radio communication failure
message
Reach or reaching
Runway centre line
Runway centre line light(s)
Re cleared
Required Communication Performance
Regional and Domestic Air Route
Area
Reference datum height
Radial
Radio
Recent
Receive or receiver
Runway edge light(s)
Reference to… or refer to…
Registration
Runway end light(s)
Report or reporting or reporting
point
Request or requested
Reroute
RWY end safety area
Rapid Exit Taxiway
Rescue and Fire Fighting Service
Requested Flight Level
Range
Right-hand circuit
Re clearance on flight
Right
Report leaving
Relay to
Request level change enroute
Runway lead-in lighting system
Request level not available
Regional Monitoring Agency
Radar minimum altitude chart
Remark
Area navigation
Radio range
Required navigation performance
Regional OPMET bulletin exchange
Rate of climb
Irish Aviation Authority
ROD
ROFOR
RON
*RPAS
RPI
RPL
RPLC
RPS
RPT
RQ
RQMNTS
RQP
RQS
RR
RRA
RSC
RSCD
RSP
RSR
RTD
RTE
RTF
RTG
RTHL
*RTILS
RTN
RTODAH
RTS
RTT
RTZL
RUT
RV
RVR
RVSM
RWY
Rate of descent
Route forecast
Receiving only
Remotely Piloted Aircraft Systems
Radar position indicator
Repetitive flight plan
Replace or replaced
Radar position symbol
Repeat or I repeat
Request
Requirements
Request flight plan
Request supplementary flight
plan
Report reaching
Delayed meteorological message
Rescue sub-centre
Runway surface condition
Responder beacon
En-route surveillance radar
Delayed
Route
Radio telephone
Radio telegraph
Runway threshold light(s)
Runway Threshold Identification
Light system
Return or returned or returning
Rejected take-off distance available helicopter
Return to service
Radio teletypewriter
Runway touchdown zone light(s)
Standard regional route transmitting frequencies
Rescue vessel
Runway visual range
Reduced Vertical Separation Minima
Runway
S
S
S
*S.I.
SA
SAD
SALS
SAN
SAP
SAR
SARPS
SAT
SATCOM
SB
SBAS
State of the sea
South or Southern latitude
Statutory Instrument
Sand
*Single Administrative Document
Simple approach lighting system
Sanitary
As soon as possible
Search and rescue
Standards and recommended
practices
Saturday
Satellite communication
Southbound
Satellite-based
augmentation
system
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 10
17 SEP 2015
SC
SCT
SDBY
SE
SEA
SEB
SEC
SECN
SECT
SELCAL
SEP
SER
SEV
SFC
SG
SGL
SH
SHF
*SIB
SID
SIF
SIG
SIGMET
SIMUL
SIWL
SKC
SKED
SLP
SLW
SMC
SMR
*SMS
SN
SNOCLO
SNOWTAM
*SOTA
SPECI
SPECIAL
SPL
SPOC
SPOT
SQ
SQL
SR
SRA
*SRA
SRE
AIP IRELAND
Stratocumulus
Scattered
Stand by
South-east
Sea
South-eastbound
Seconds
Section
Sector
Selective calling system
September
Service or servicing or served
Severe
Surface
Snow grains
Signal
Showers
Super high frequency
Safety Information Bulletin
Standard instrument departure
Selective identification feature
Significant
Information concerning en-route
weather phenomena which may
effect the safety of aircraft operations
Simultaneous or simultaneously
Single isolated wheel load
Sky clear
Schedule or scheduled
Speed limiting point
Slow
Surface movement control
Surface movement radar
Safety Management System
Snow
Aerodrome closed due to snow
A special series NOTAM notifying
the presence or removal of hazardous conditions due to snow,
ice, slush or standing water associated with snow, slush and ice on
the movement area, by means of
a specific pro format.
Shannon Oceanic Transition Area
Aviation selected special weather
report
Special meteorological report
Supplementary flight plan message
SAR point of contact
Spot wind
Squall
Squall line
Sunrise
Surveillance radar approach
State Regulatory Authority
Surveillance radar element of precision approach radar system
AIRAC Amdt 009/15
SRG
*SRH
SRR
SRY
SS
SS
SSB
SSE
SSR
SST
SSW
ST
STA
STAR
STD
STF
STN
STNR
STOL
STS
STWL
SUBJ
SUN
SUP
SUPPS
Short range
Surveillance Radar
Search and rescue region
Secondary
Sandstorm
Sunset
Single sideband
South-south-east
Secondary surveillance radar
Supersonic transport
South-south-west
Stratus
Straight in approach
Standard (instrument) arrival
Standard
Stratiform
Station
Stationary
Short take-off and landing
Status
Stopway light(s)
Subject to
Sunday
Supplement
Regional supplementary procedures
Service message
Serviceable
South-west
South-westbound
Stopway
SVC
SVCBL
SW
SWB
SWY
T
T
T
*T
TA
TAA
TACAN
TAF
TAIL
TAR
TAS
TAX
TC
TCAS
TCU
TDO
TDZ
TECR
TEL
TEMPO
TEND
TFC
TGL
TGS
THR
Temperature
True
Terminal (Used to specify the purpose of a Designated Point)
Transition altitude
Terminal arrival altitude
UHF tactical air navigation aid
Aerodrome forecast
Tail wind
Terminal area surveillance radar
True airspeed
Taxiing or taxi
Tropical cyclone
Traffic Collision Avoidance System
Towering cumulus
Tornado
Touchdown zone
Technical reason
Telephone
Temporary or temporarily
Trend forecast
Traffic
Touch-and-go landing
Taxiing guidance system
Threshold
Irish Aviation Authority
17 SEP 2015
GEN 2.2 - 11
17 SEP 2015
AIP IRELAND
THRU
THU
TIBA
Through
Thursday
Traffic information broadcast by
aircraft
Until
Until past…
Take-off
Till
Touchdown and lift-off area
Terminal control area
Minimum temperature
Turn altitude
Turn Height
To…
Top of climb
Take-off distance available
Take-off distance available, helicopter
Cloud top
Take-off run available
Turning point
Track
Temporary reserved airspace
Transmits or transmitter
Trend forecast
Transition level
Tropopauza
Thunderstorm
Teletypewriter
Tuesday
Turbulence
T visual approach slope indicator
system
Terminal VOR
Aerodrome control tower or aerodrome control
Taxiway
Taxiway-link
Maximum temperature (followed
by figures in TAF)
Text /when the abbreviation is
used to request a repetition, the
question mark (IMI) precedes the
abbreviation, e.g. IMI TXT/
Type of aircraft
Typhoon
TIL
TIP
TKOF
TL
TLOF
TMA
TN
TNA
TNH
TO
TOC
TODA
TODAH
TOP
TORA
TP
TR
TRA
TRANS
TREND
TRL
TROP
TS
TT
TUE
TURB
T-VASIS
TVOR
TWR
TWY
TWYL
TX
TXT
TYP
TYPH
U
U
UAB
UAC
UAR
UDF
UFN
UHDT
UHF
UIC
UIR
Upward
Until advised by…
Upper area control centre
Upper air route
Ultra high frequency directionfinding station
Until further notice
Unable higher due traffic
Ultra high frequency
Upper Information Centre
Upper Flight Information Region
Irish Aviation Authority
UK
ULR
UNA
UNAP
UNL
UNREL
UP
U/S
UTA
UTC
*United Kingdom
Ultra long range
Unable
Unable to approve
Unlimited
Unreliable
Unidentified precipitation
Unserviceable
Upper control area
Co-ordinated universal time
V
V
Variations from the mean wind direction
Volcanic ash
Visual approach chart
Volcanic Ash Contingency Plan
In valleys
Runway control van
Magnetic variation
Visual-aural radio range
Visual approach slope indicator
systems
*Value Added Tax
Vicinity of the aerodrome
Vicinity
Very high frequency direction
finding station
Vertical
Visual flight rules
Very high frequency
Very important person
Visibility
Very low frequency
Very long range
Visual meteorological conditions
Meteorological information for aircraft in flight
VHF omnidirectional radio range
VOR and TACAN combination
VOR airborne equipment test facility
Vertical pass angle
Visual manoeuvre with prescribed
track
Variable
By visual reference to the ground
Vertical speed
Vertical take-off and landing
Vertical visibility
VA
VAC
*VACP
VAL
VAN
VAR
VAR
VASIS
VAT
VC
VCY
VDF
VER
VFR
VHF
VIP
VIS
VLF
VLR
VMC
VOLMET
VOR
VORTAC
VOT
VPA
VPT
VRB
VSA
VSP
VTOL
VV
W
W
W
W
WAAS
WAC
WAFC
WB
Sea-surface temperature
West or western longitude
White
Wide area augmentation system
World Aeronautical Chart – ICAO
1: 1 000 000
World Area Forecast Centre
Westbound
AIRAC Amdt 009/15
17 SEP 2015
GEN 2.2 - 12
17 SEP 2015
WBAR
WDI
WDSPR
WED
WEF
WGS-84
WI
WID
WIE
WILCO
WIND
WINTEM
WIP
WKN
WNW
WO
WPT
WRNG
WS
WSPD
WSW
WT
WTSPT
WWW
WX
AIP IRELAND
Wing bar lights
Wind direction indicator
Widespread
Wednesday
With effect from or effective from
World geodetic system- 1984
Within
Width
With immediate effect or effective immediately
Will comply
Wind
Forecast upper wind and temperature for aviation
Work in progress
Weaken or weakening
West-north-west
Without
Way-point
Warning
Wind shear
Wind speed
West-south-west
Weight
Waterspout
World wide web
Weather
X
X
XBAR
XNG
XS
Cross
Crossbar
Crossing
Atmospherics
Y
Y
YCZ
YES
YR
Yellow
Yellow caution zone
Yes
Your
Z
Z
Co-ordinated Universal Time
AIRAC Amdt 009/15
Irish Aviation Authority