Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
A
- AbbreviationArmy Radar Approach Control facility (US Army)
ARAC stands for Army Radar Approach Control facility (US Army) in FAA terminology.
- Abbreviationarrival aircraft interval
AAITVL stands for arrival aircraft interval in FAA terminology.
- Abbreviationarrival approved request for IFR flight
AI stands for arrival approved request for IFR flight in FAA terminology.
- Abbreviationarrival unknown
ARUNK stands for arrival unknown in FAA terminology.
- MeteorologyARRIVAL/DEPARTURE WINDOW (ADW)
A depiction presented on an air traffic control display, used by the controller to prevent possible conflicts between arrivals to, and departures from, a runway.
- Abbreviationartic control area
ACA stands for artic control area in FAA terminology.
- Abbreviationas soon as possible
ASAP stands for as soon as possible in FAA terminology.
- Abbreviationascent to
ASC stands for ascent to in FAA terminology.
- AbbreviationASOS automated observation with precipitation discriminator (rain/snow)
AO2 stands for ASOS automated observation with precipitation discriminator (rain/snow) in FAA terminology.
- AbbreviationAssigned altitude deviation
AAD stands for Assigned altitude deviation in FAA terminology.
- Abbreviationassistant chief
AC stands for assistant chief in FAA terminology.
- AbbreviationAssociate Administrator for Air Traffic
AAT stands for Associate Administrator for Air Traffic in FAA terminology.
- Abbreviationat all times
AATM stands for at all times in FAA terminology.
- Abbreviationat least (altitude)
AL/(---) stands for at least (altitude) in FAA terminology.
- Abbreviationat or below
AOB stands for at or below in FAA terminology.
- AbbreviationATC beacon interrogator
ATCBI stands for ATC beacon interrogator in FAA terminology.
- Radio communications and ATCATC clearance
Authorisation to conduct a flight or manoeuvre under stated conditions.
- AbbreviationATC operations representative
ATCOR stands for ATC operations representative in FAA terminology.
- AbbreviationATC radar beacon system
ATCRBS stands for ATC radar beacon system in FAA terminology.
- SafetyATC SECURITY SERVICES
Communications and security tracking provided by an ATC facility in support of the DHS, the DoD, or other Federal security elements in the interest of national security.
- SafetyATC SECURITY SERVICES POSITION
The position responsible for providing ATC security services as defined.
- AbbreviationATC tower, approach and departure control facility
TAD stands for ATC tower, approach and departure control facility in FAA terminology.
- AbbreviationAtlantic Operations Control Center
AOCC stands for Atlantic Operations Control Center in FAA terminology.
- AbbreviationAtlantic Route
AR stands for Atlantic Route in FAA terminology.