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Aviation
Aviation, aircraft and air-traffic acronyms explained.
PC
Personal Computer
AAM
Advanced Air Mobility
AAS
Airport Advisory Service
AAWU
Alaskan Aviation Weather Unit
ABRR
Airborne Reroutes
AC
Advisory Circular
ACAR
Aircraft Communications Addressing and Reporting System
ACL
Aircraft List
ADCUS
Advise Customs
ADDS
Aviation Digital Data Service
ADF
Automatic Direction Finder
ADIZ
Air Defense Identification Zone
ADS-B
Automatic Dependent Surveillance-Broadcast
AFB
Air Force Base
AFCS
Automatic Flight Control System
AFIS
Automatic Flight Information Service
AFM
Aircraft Flight Manual
AGL
Above Ground Level
AHRS
Attitude Heading Reference System
AIM
Aeronautical Information Manual
AIRMET
Airmen's Meteorological Information
AIS
Aeronautical Information Services
ALD
Available Landing Distance
ALDARS
Automated Lightning Detection and Reporting System
ALS
Approach Light Systems
AMSL
Above Mean Sea Level
ANP
Actual Navigation Performance
AOCC
Airline Operations Control Center
AP
Autopilot System
APV
Approach with Vertical Guidance
AR
Authorization Required
ARENA
Areas Noted for Attention
ARFF IC
Aircraft Rescue and Fire Fighting Incident Commander
ARINC
Aeronautical Radio Incorporated
ARO
Airport Reservations Office
ARSA
Airport Radar Service Area
ARSR
Air Route Surveillance Radar
ARTCC
Air Route Traffic Control Center
AS
Altimeter Setting
ASDE-X
Airport Surface Detection Equipment - Model X