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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

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