Standard Abbreviations

Abbreviations used in this AIP follow the ICAO Abbreviations and Codes defined in ICAO Doc 8400. Commonly used abbreviations include:

Abbreviation Meaning
ACC Area Control Centre
AIP Aeronautical Information Publication
AIRAC Aeronautical Information Regulation and Control
APP Approach Control
ATC Air Traffic Control
CTR Control Zone
DME Distance Measuring Equipment
FIR Flight Information Region
IFR Instrument Flight Rules
NDB Non-Directional Beacon
NOTAM Notice to Airmen
SID Standard Instrument Departure
STAR Standard  instrument Arrival 
TMA Terminal Control Area
VFR Visual Flight Rules
VOR VHF Omni directional radio Range

Commonly Used Abbreviations (ICAO Doc 8400)

Abbreviation Meaning
ACC Area Control Centre
ADF Automatic Direction Finding equipment
AFIS Aerodrome Flight Information Service
AGL Above Ground Level
AIRAC Aeronautical Information Regulation and Control
AMSL Above Mean Sea Level
APP Approach Control
ATIS Automatic Terminal Information Service
ATS Air Traffic Services
CTR Control Zone
DME Distance Measuring Equipment
FIR Flight Information Region
FL Flight Level
GNSS Global Navigation Satellite System
GND Ground
IFR Instrument Flight Rules
ILS Instrument Landing System
NDB Non-Directional Radio Beacon
NOTAM Notice to Airmen
QNH Pressure Setting (altimeter)
RNAV Area Navigation
RVR Runway Visual Range
RWY Runway
SID Standard Instrument Departure
STAR Standard  Instrument Arrival 
TMA Terminal  Control Area
TWR Aerodrome Control Tower
UIR Upper Information Region
VFR Visual Flight Rules
VOR VHF Omni directional Radio Range

A comprehensive list of abbreviations is published in ICAO Doc 8400 — Procedures for Air Navigation Services — ICAO Abbreviations and Codes.

Additional Route and Aerodrome Abbreviations

AbbreviationMeaning
AALAbove aerodrome level
AICAeronautical information circular
AMDTAmendment (AIP amendment)
ASDAAccelerate-stop distance available
ATFMAir traffic flow management
CNSCommunications, navigation and surveillance
EOBTEstimated off-Block time
FPLFiled flight plan (message type designator)
FREQFrequency
GPGlide path
H24Continuous day and night service
LDALanding distance available
METARAviation Routine weather report (in aeronautical meteorological code)
MSAMinimum sector altitude
MSLMean sea level
NMNautical miles
PAPIPrecision approach path indicator
PCNPavement classification number
RCCRescue co-ordination center
RNPRequired navigation performance
SARSearch and rescue
SIGMETInformation concerning en-route weather phenomena which may affect the safety of aircraft operation
SPECIAviation selected special weather report (in aeronautical meteorological code)
SSRSecondary Surveillance radar
TAFAerodrome forecast
TODATake-off distance available
TORATake-off run available
UTCCo-ordinated Universal Time
WGS-84World Geodetic System-1984