The list of aviation acronyms and abbreviations.

All aviation related acronyms and abbreviations.

5,982 entries under topic. ×

1
FMCS:
Flight Management Computer System(Aviation, Military)
1
Freq:
Frequency(Morse code, Morse aids, Radio)
1
GCA:
Ground Controlled Approach(Royal military, Armed Forces, Air Force)
1
GCU:
Generator Control Unit(Mechanical Engineering, Engineering, Aviation)
1
GP:
General Purpose(Cargo shipping, Armed Forces, Royal military)
1
GPM:
Gallons Per Minute(Firefighting, Architectural, Architecture)
1
HQ:
Headquarters(World War II, Military jargon, Morse code)
1
I/O:
Input/Output(Electronic hardware, Computer engineering, Computer hardware)
1
IAF:
Indian Air Force(India, Royal military, Armed Forces)
1
Initial Approach Fix(Air Force, Aviation, Army)
1
IAW:
In Accordance With(Usenet, Military jargon, US army)
1
ID:
Identification(Archaeology, Anthropology, History)
1
LEP:
Linear Error Probable(Aviation, Army, Military)
1
LST:
Landing Ship, Tank(Amphibious Warfare, Hull code, SHIP)
1
MAP:
Missed Approach Point(Air Force, Aviation, Army)
1
MLG:
Main Landing Gear(Flight, Aerodynamics, Aviation)
1
MLV:
Medium Launch Vehicle(Flight, Aerodynamics, Aviation)
1
MSA:
Minimum Safe Altitude(Air Force, Aviation, Army)
1
MSL:
Mean Sea Level(Geosciences, Geoscience, Earth Science)
1
N/A:
Not Applicable(Air Force, Online, Architectural)
8 years ago|418k views|share |citing 
APASmart Define. (2018). aviation. Retrieved September 30, 2026, from http://smartdefine.org/aviation/abbreviations/r/Military
ChicagoSmart Define. 2018. "aviation" http://smartdefine.org/aviation/abbreviations/r/Military (accessed September 30, 2026).
HarvardSmart Define 2018, aviation, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/aviation/abbreviations/r/Military>.
MLASmart Define. "aviation" 19 February 2018. Web. 30 September 2026. <http://smartdefine.org/aviation/abbreviations/r/Military>