F-BFTS: France-Belgium Flying Training Unit
F/E: Flight Engineer
F/L: Flight Lieutenant
F/O: Flying Officer
F/S: Flight Sergeant
FAA: Fleet Air Arm
FAGS: Fleet Aerial Gunners School
FAP: First Aid Post
FAR: Federal Aviation Regulations
FATU: Fighter Armament Training Unit
FATU: Flight Affiliation Training Unit
FBDF: Flying Boat Development Flight
FBO: Fixed Base Operations

FBSU: Flying Boat Servicing Unit
FC: Ferry Control
FC: Fighter Command
FC: Flying Control
FCCF: Fighter Command Communication Flight
FCCRS: Fighter Command Control & Reporting School
FCCS: Fighter Command Communication Squadron
FCCU: Fighter Control Cooperation Unit
FCIRF: Fighter Command Instrument Rating Flight
FCIRS: Fighter Command Instrument Rating Squadron
FCITF: Fighter Command Instrument Training Flight
FCITS: Fighter Command Instrument Training Squadron
FCMPC: Fighter Command Missile Practice Camp
FCPU: Ferry Command Preparation Unit
FCRS: Fighter Command Radar School
FCS: Facility Checking Squadron
FCS: Fighter Command School
FCTU: Fighter Command Trials Unit
FE: Far East
FEAF: Far East Air Force
FEAFES: Far East Air Force Examination Squadron
FECEF: Far East Casualty Evacuation Unit
FEE: Fighter Experimental Establishment
FEFBW: Far East Flying Boat Wing
FETDU: Far East Tactical Development Unit
FETS: Far East Training Squadron
FETW: Far East Training Wing