AviationOnline for EASA Part-66 & Groundschool

AviationOnline
for EASA Part-66 & Groundschool

Aviation Glossary

An A-Z of all aviation abbreviations

This online glossary provides a comprehensive list of all major aviation abbreviations.


A

A/B

autobrake

ABN

abnormal

ac

alternating current

A/C

aircraft

ACAC

air cooled air cooler

ACARS

aircraft (or ARINC) communications addressing and reporting system

ACC

active clearance control

acclrm

accelerometer

ACE

actuator control electronics

ACIPS

airfoil and cowl ice protection system

ACM

air cycle machine

ACMF

aircraft condition monitoring function

ACMS

aircraft condition monitoring system

ACMP

ac motor pump

ACP

audio control panel

ACT

additional centre tank

AD

ADC

air data computer

ADF

automatic direction finder

ADIRS

air data inertial reference system

ADIRU

air data inertial reference unit

ADM

air data module

ADP

air driven pump

ADR

air data reference

ADV

advisory

ADV

(Tornado) air defence variant

AEP

audio entertainment player

AES

aircraft earth station

AEVC

avionic equipment ventillation controller

AFDC

autopilot flight director computer

AFDS

autopilot flight director computer

AFS

auto flight system

AGS

air/ground system

AI

AI

attitude indicator

AIDS

aircraft integrated data system

AIL

aileron

AIME

autonomous integrity monitoring extrapolation

AIMS

aircraft information management system

AIU

audio interface unit

AIV

accumulator isolation valve

ALAR

approach-and-landing accident reduction

ALT

altitude

ALTN

alternate

AMI

airline modification information

AMU

audio management unit

AMUX

audio multiplexer

ANS

ambient noise sensor

ANT

antenna

AO

AOA

angle of attack

AOC

air/oil cooler

AOC

airline operational control

AOHE

air/oil heat exchanger

AOM

airport operating minima

A/P

autopilot

APB

auxiliary power breaker

APPR

approach

APU

auxiliary power unit

APUC

auxiliary power unit controller

ARINC

Aeronautical Radio Inc

ARN

aircraft registration number

ARPT

airport

AS

A/S

airspeed

ASAP

as soon as possible

ASCPC

air supply and cabin pressure controllers

ASG

ARINC signal gateway

ASI

airspeed indicator

ASM

autothrottle servo motor

ASP

audio selector panel

ASSV

alternative source selection valve

ATA

Air Transport Association (of America)

ATC

air traffic control

ATC

aviation technical centre

ATE

automatic test equipment

ATIS

automatic terminal information service

ATS

air turbine starter

ATS

auto thrust system

ATSU

air traffic service unit

ATT

attitude

A/T

autothrottle

AU

AVLAN

avionics local area network

AVM

airbourne vibration monitor

AWS

attendant work station

AWY

airway