F

F/D

F/E

F/O

F/OBS

F/P

F/W

FA

FAA

FAATC

FAB

FAC

FACF

FADEC

FAGB

FAHRENHEIT

FAI

Fail Operation System

Fail Passive (Collins Autopilot)

Fail Passive System

Fail Safe

Fail Soft (Collins Autopilot)

FALL WIND

FALLAWAY SECTION

FALSE CIRRUS

FAM

Fan Marker

FANS

FAP

FAR

FAST

Fast / Align

FAT

FATIGUE

FAWP

FBL

FBO

FBW

FC

FCA

FCAF

FC-AV

FCC

FCD

FCDC

FCM

FCMDS

FCOC

FCOM

FCP

FCS

FCSOV

fctn

FCTR

FCU

FCV

FD

FDAF

FDAU

FDB

FDCU

FDD

FDDI

FDE

FDEP

FDH

FDI

FDIO

FDL

FDM

FDMA

FDMU

FDPS

FDR

FDR/CVR

FDRS

Fds

FDU

FDV

FE

FEATS

FEC

FECU

Federal Aviation Administration(FAA)

FEP

FER

FF

FFLOW

FFPS

Ffr

FFS

FFSC

FGC

FGCS

FGP

FGS

FH

FHA

FHDB

FHSS

FHW

FI

FIB

FIDH

FIE

FIELD

FIFO

FILLING

FILM COOLING

FIM

FINAL APPROACH - IFR

FINAL APPROACH - VFR

FINAL APPROACH FIX

FINAL CONTROLLER

FIR

FIREX

FIS

FIS-B

FIT

FIX

FIXED SATELLITE

FL

FL 180

FLA

Flaps

FLARE

FLASHBACK

FLC

FLCH

FLEX

FLEX-TO

FLIDRAS

Flight Data Recorder (FDR)

Flight Deck

FLIGHT LEVEL (FL)

Flight Plan

Flight Service Station (FSS)

FLIGHT VISIBILITY

FLIP

FLIR

FLLW

FLM

floz

FLP

FLR

FLRE

FLT

FLT CTRL

FLT INST

FLTA

fltr

FLUX

FLV

FLW

FLYING TEST BED

FM

FMA

FMC

FMCF

FMCS

FMCW

FMEA

FMECA

FMF

FMP

FMS

FMU

FMV

FN

FNC

FO

FOB

FOC

FOD

FOE

FOEB

FOEHN

FOG

FOHE

FOM

FOPB

FOQA

FOR

FORTRAN

FOS

FOV

FP

FPA

FPAC

FPC

FPDU

FPGA

FPI

FPL

FPM

FPMU

FPR

FPTA

FPTST

FPTU

FPU

FPV

FQGS

FQIS

FQPU

FQR

FR

FRA

FRACAS

FRAD

Framing Pulse

FREE FALL

Free Scan Mode

FREER

Freight

Freight Ton Mike

FREQ

Frequency

Frequent Flyer Programs

FRM

FRMR

FRONT

FRONT-COURSE

FRONTOGENESIS

FRONTOLYSIS

FROST

FRP

FRPA

FRQ

FRU

FS

FSA

FSAS

FSB

FSBY OVRD

FSC

FSDO

FSE

FSEU

FSF

FSIB

FSK

FSL

FSS

FSTN

FSU

FT or ft

ft/min

ft/s

ft/sec²

ft²

ft³

ft³/min

FTA

FTB

FTE

FTI

FTP

FTPP

FTR

FU

FUA

FUE

FUNC

FUS

Fuselage

FUZ

FVO

FVS

FW

FWC

FWD

FWS

FX

FYDS