This online glossary provides a comprehensive list of all major aviation abbreviations.
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 |
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 |
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 |
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 |
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 |
AVLAN |
avionics local area network |
AVM |
airbourne vibration monitor |
AWS |
attendant work station |
AWY |
airway |