M: Mach
M: Machine
M: Magenta
M: meter
M: Mike
M&D: Medicine and Duties
M-SPD: Manual Speed
M.A.C.: Mean Aeordynamic Chord
M/AS: Mach Airspeed
M/P: Maintenance Practice
M/P: Maintenance Procedure
M/S: Metres per Second
MA: Malev-Hungarian Airlines
MA: Master
MAA: Maximum Authorized Altitude
MAAF: Malayan Auxiliary Air Force
MAAF: Mediterranean Allied Forces
MAAR: Monitoring Agency for Asia Region
MAC: Mean Aerodynamic Chord
MAC: Mediterranean Air Command
MAC: Military Airlift Command
MACAF: Mediterranean Allied Coastal Air Force
MACP: Medic Air Command Post
MACS: Marine Air Control Squadron
MAD: Marine Acceptance Depot
MAED: Marine Aircraft Experimental Depot
MAEE: Marine Aircraft Experimental Establishment
MAEP: Minimum Autoland Entry Point
MAEU: Marine Aircraft Experimental Unit
MAF: Mission Aviation Fellowship
MAFIS: Midlands Area Flying Instructors School
MAG: DEC Magnetic Declination
Mag: Magnetic
MAG: Magnetized Material
MAG: VAR Magnetic Variation
MAG DEC: Magnetic Declination
MAG VAR: Magnetic Variation
Magn: Magnetic
Maint: Maintenance
MAL: Mobile Airlock