ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
ICAO Abbreviations and Codes
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1-20 <strong>ICAO</strong> <strong>Abbreviations</strong> <strong>and</strong> <strong>Codes</strong> (PANS-ABC)<br />
Aircraft communication addressing <strong>and</strong><br />
reporting system (to be pronounced<br />
“AY-CARS”)<br />
ACARS†<br />
Aircraft earth station<br />
AES<br />
Aircraft parking/docking chart (followed<br />
by name/title) APDC . . .<br />
Air defence identification zone (to be<br />
pronounced “AY-DIZ”)<br />
ADIZ†<br />
Airport<br />
AP<br />
Air-report<br />
AIREP†<br />
Air-report (message type designator) ARP<br />
Airspeed or headwind gain<br />
GAIN<br />
Airspeed or headwind loss<br />
LOSS<br />
Air-to-air<br />
A/A<br />
Air-to-ground<br />
A/G<br />
Air traffic control (in general)<br />
ATC‡<br />
Air traffic control surveillance minimum<br />
altitude chart (followed by name/title) ATCSMAC . . .<br />
Air traffic flow management<br />
ATFM<br />
Air traffic management<br />
ATM<br />
Air traffic services<br />
ATS<br />
Air traffic services interfacility data<br />
communications<br />
AIDC<br />
Air traffic services reporting office ARO<br />
Airway<br />
AWY<br />
Alert phase<br />
ALERFA†<br />
Alerting (message type designator) ALR<br />
Alerting service<br />
ALRS<br />
Alighting area<br />
ALA<br />
All up weight<br />
AUW<br />
Alternate or alternating (light alternates<br />
in colour)<br />
ALTN<br />
Alternate (aerodrome)<br />
ALTN<br />
Altimeter check location<br />
ACL<br />
Altimeter sub-scale setting to obtain<br />
elevation when on the ground QNH‡<br />
Altimetry system error<br />
ASE<br />
Altitude<br />
ALT<br />
Altocumulus<br />
AC<br />
Altostratus<br />
AS<br />
Amber<br />
A<br />
Amend or amended (used to indicate<br />
amended meteorological message;<br />
message type designator)<br />
AMD<br />
Amended meteorological message<br />
(message type designator)<br />
AAA (or AAB,<br />
AAC . . . etc., in<br />
sequence)<br />
AMDT<br />
ANS<br />
APCH<br />
Amendment (AIP Amendment)<br />
Answer<br />
Approach<br />
Approach control office or approach<br />
control or approach control service APP<br />
Approach lighting system<br />
ALS<br />
Approve or approved or approval APV<br />
Approximate or approximately APRX<br />
April<br />
APR<br />
Apron<br />
APN<br />
Area chart<br />
ARC<br />
Area control centre or area control ACC‡<br />
Area forecast for low-level flights GAMET<br />
Area minimum altitude<br />
AMA<br />
Area navigation (to be pronounced<br />
“AR-NAV”)<br />
RNAV†<br />
Arrange<br />
ARNG<br />
Arresting (specify (part of) aircraft<br />
arresting equipment)<br />
ARST<br />
Arrival (message type designator) ARR<br />
Arrive or arrival<br />
ARR<br />
Ascend to or ascending to<br />
ASC<br />
Asphalt<br />
ASPH<br />
Assigned altitude deviation<br />
AAD<br />
As soon as possible<br />
SAP<br />
At (followed by time at which weather<br />
change is forecast to occur) AT . . .<br />
At . . . (time or place) ATP . . .<br />
Atmospheric pressure at aerodrome<br />
elevation (or at runway threshold)<br />
Atmospherics<br />
At sea<br />
ATS/MET reporting point<br />
Attention<br />
At the coast<br />
August<br />
Authorized or authorization<br />
Automated flight information service<br />
Automatic dependent surveillance —<br />
broadcast<br />
Automatic dependent surveillanc —<br />
contract<br />
Automatic dependent surveillance unit<br />
QFE‡<br />
XS<br />
MAR<br />
MRP<br />
ATTN<br />
COT<br />
AUG<br />
AUTH<br />
FISA<br />
ADS-B‡<br />
ADS-C‡<br />
ADSU<br />
___________________<br />
† When radiotelephony is used, the abbreviations <strong>and</strong> terms are transmitted as spoken words.<br />
‡ When radiotelephony is used, the abbreviations <strong>and</strong> terms are transmitted using the individual letters in non-phonetic form.<br />
* Signal is also available for use in communicating with stations of the maritime mobile service.<br />
# Signal for use in the teletypewriter service only.<br />
18/11/10