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
B
- Abbreviationbaroclinic or baroclinic prognosis
BACLIN stands for baroclinic or baroclinic prognosis in FAA terminology.
- Abbreviationbarotropic or barotropic prognosis
BATROP stands for barotropic or barotropic prognosis in FAA terminology.
- AbbreviationBase Operations Office
BASOPS stands for Base Operations Office in FAA terminology.
- Abbreviationbasic meteorological services
BMS stands for basic meteorological services in FAA terminology.
- Abbreviationbeacon
BCN stands for beacon in FAA terminology.
- Abbreviationbeacon data (digitized)
BDAT stands for beacon data (digitized) in FAA terminology.
- AbbreviationBeacon Environmental Remote Monitoring Subsystem
BERMS stands for Beacon Environmental Remote Monitoring Subsystem in FAA terminology.
- Abbreviationbefore dark
BFDK stands for before dark in FAA terminology.
- Abbreviationbefore encountering IFR conditions
BIFR stands for before encountering IFR conditions in FAA terminology.
- Abbreviationbegan or begin
BGN stands for began or begin in FAA terminology.
- Abbreviationbegin standard refuel orbit
BSRO stands for begin standard refuel orbit in FAA terminology.
- Abbreviationbeginning of precipitation (time in minutes) (weather reports only)
B stands for beginning of precipitation (time in minutes) (weather reports only) in FAA terminology.
- Abbreviationbeginning standard holding procedure
BSHP stands for beginning standard holding procedure in FAA terminology.
- Abbreviationbeginning standard range approach
BSRAP stands for beginning standard range approach in FAA terminology.
- Abbreviationbeginning straight-in approach
BSIAP stands for beginning straight-in approach in FAA terminology.
- Abbreviationbelow all clouds
BAC stands for below all clouds in FAA terminology.
- Abbreviationbelow clouds
BLO stands for below clouds in FAA terminology.
- Abbreviationbetween layers
BTL stands for between layers in FAA terminology.
- Abbreviationbids accepted for the following vacancies
BAFVC stands for bids accepted for the following vacancies in FAA terminology.
- AbbreviationBilateral Airworthiness Agreement
BAA stands for Bilateral Airworthiness Agreement in FAA terminology.
- AbbreviationBilateral Aviation Safety Agreement
BASA stands for Bilateral Aviation Safety Agreement in FAA terminology.
- SafetyBlack box
The common name for an aircraft's protected flight recorders.
- OperationsBLIND SPOT
An area from which radio transmissions and/or radar echoes cannot be received.
- Abbreviationblowing spray (weather reports only)
BY stands for blowing spray (weather reports only) in FAA terminology.