347 abbreviations
Abbreviation Meaning
A/C aircraft
ACARS Aircraft Communication and Addressing Reporting System
ACAS airborne collision avoidance system
ACC active clearance control
ACFT aircraft
ACI Airports Council International
ACMS aircraft condition monitoring system
AD airworthiness directive
A/D aerodrome
ADA advisory area
ADC air data computer
ADF automatic direction finder
ADI attitude direction indicator
ADS automatic dependent surveillance
ADV German Airports Association
AFCS automatic flight control system
AF/D Airport/Facility Directory
AFDS autopilot flight director system
AFE above field elevation
AFS aeronautical fixed service
AFT The direction against the aircraft movement
AFTN Aeronautical Fixed Telecommunication Network
AHRS Attitude Heading Reference System
AIP Aeronautical Information Publication
AIRAC Aeronautical information regulation and control
ALI Airworthiness Limitation Item
ALS approach lighting system
AMO Approved Maintenance Organization
ANSP air navigation service provider
AOA angle of attack
AOC Air Operator's Certificate
AOG Aircraft on Ground
AOM airport/aerodrome operating minima
AP Autopilot
A/P airplane (US), aeroplane (ICAO)
APT Airport
AR authorization required
ARINC Aeronautical Radio Inc.
ARTCC air route traffic control centers
ASAS Airborne Separation Assurance System
ASDA Association for Scientific Development of Air Traffic Management in Europe
ASI airspeed indicator
ASL above sea level
ASM airspace management
A/T autothrottle
ATA Air Traffic Association
ATC air traffic control
ATFM air traffic flow management
ATIS Automatic Terminal Information Service
ATM air traffic management