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
- Abbreviationaltimeter check location
ACL stands for altimeter check location in FAA terminology.
- Abbreviationaltimeter setting indicator
ASI stands for altimeter setting indicator in FAA terminology.
- AbbreviationAltimeter setting to aerodrome level
The pressure setting that makes an altimeter indicate height above a specified aerodrome reference.
- AbbreviationAltimeter setting to sea level
The altimeter pressure setting used to indicate barometric altitude above mean sea level.
- Abbreviationaltitude radial
ARAD stands for altitude radial in FAA terminology.
- AbbreviationAltitude Reporting Mode of Secondary Radar
MODE C stands for Altitude Reporting Mode of Secondary Radar in FAA terminology.
- NavigationALTITUDE RESERVATION (ALTRV)
Airspace utilization under prescribed conditions normally employed for the mass movement of aircraft or other special user requirements which cannot otherwise be accomplished.
- NavigationALTITUDE RESTRICTION
An altitude or altitudes, stated in the order flown, which are to be maintained until reaching a specific point or time.
- AbbreviationAltitude/Height
A/H stands for Altitude/Height in FAA terminology.
- Abbreviationamended route of flight
AMRF stands for amended route of flight in FAA terminology.
- AbbreviationAmerican Meteorological Society
AMS stands for American Meteorological Society in FAA terminology.
- AbbreviationAmplifier or amplify
AMP stands for Amplifier or amplify in FAA terminology.
- AerodynamicsAngle of attack
The angle between an aerofoil's chord line and the oncoming relative airflow.
- Abbreviationante meridiem
AM stands for ante meridiem in FAA terminology.
- Flying skillsApproach
The manoeuvres and procedures positioning an aircraft for landing.
- Abbreviationapproach and departure control
AADC stands for approach and departure control in FAA terminology.
- Radio communications and ATCAPPROACH CLEARANCE
Authorization by ATC for a pilot to conduct an instrument approach.
- Abbreviationapproach control
A/C stands for approach control in FAA terminology.
- Abbreviationapproach control or approach control office
APP stands for approach control or approach control office in FAA terminology.
- Radio communications and ATCAPPROACH CONTROL SERVICE
Air traffic control service provided by an approach control facility for arriving and departing VFR/IFR aircraft and, on occasion, en route aircraft.
- Abbreviationapproach end runway
AER stands for approach end runway in FAA terminology.
- Abbreviationapproach light lane
YL stands for approach light lane in FAA terminology.
- Abbreviationapproach light system
ALS stands for approach light system in FAA terminology.
- AbbreviationApproach Lighting System Improvement Plan
ALSIP stands for Approach Lighting System Improvement Plan in FAA terminology.