Definition

Contraction

Usage

FAA Contract Flight Service Station

FCFSS

GEN

FAA Contract Weather Observing Station

FCWOS

GEN

FAA requirements

FAAR

GEN

facilitation of international air transport

FAL

ICAO

facility

FAC

GEN

facility chief

FACF

GEN

facility coordination officer

FCO

GEN

facsimile

FAX

GEN

fahrenheit

F

GEN

fahrenheit

FAH

NWS

falling

FLG

NWS

familiar or familiarization

FAM

GEN

familiarization flight

FFLT

GEN

fan marker

FM

GEN

fan marker approach

FMAP

ATC

fan marker located with radio beacon

FMH

GEN

farther or further

FTHR

GEN

Fault Detection and Isolation

FDI

ATC

feathered

FTHRD

ATC

federal aid to airports program

FAAP

GEN

Federal Aviation Administration

FAA

GEN

Federal Aviation Regulations

FAR

GEN

Federal Communications Commission

FCC

GEN

Federal Telecommunications System

FTS

GEN

feet

FT

ICAO

feet per minute

FPM

GEN

field

FLD

ICAO

field condition report

FCRP

ATC

figure

FIG

GEN

filament

FIL

GEN

filed but impracticable to transmit

FIBI

NWS

filed flight plan

FPL

ICAO

filed flight plan in the air

AFIL

GEN

filed IFR flight plan

FIFP

ATC

filed VFR flight plan

FVFP

ATC

filing time

FT

GEN

filling

FILG

NWS

final approach

FA

ATC

final approach

FNA

ICAO

final approach fix

FAF

ICAO

final approach point

FAP

ICAO

fire fighting

FFR

ICAO

fire warning

FWRNG

GEN

firing

FIRG

GEN

firing

FRNG

ICAO

first available

FIRAV

GEN

fixed federal monitoring network

FFMN

GEN

fixed pulse radar navigation aid

FPN

GEN

fixed wing special IFR

FW/SIFR

GEN

fixed wing special VFR

FW/SVFR

GEN

fixed­base operator

FBO

GEN

fix­radial­distance

FRD

ATC

flares

FLR

ICAO

flash advisory

FL

NWS

flashing

FLG

ICAO

Fleet Area Controlled and Surveillance Facility

FACSFAC

ATC

Fleet Weather Central

FWC

NWS

flight

FLT

GEN

flight check

FLTCK

GEN

flight data

FDAT

GEN

Flight Data Center

FDC

GEN

flight data entry and printout

FDEP

ATC

flight data input/output

FDIO

ATC

flight data input/output repeater

FDIOR

ATC

flight data position

FLIDAP

GEN

Flight data processing system

FDPS

ICAO

flight engineer

FE

GEN

flight information (permanent)

FI/P

GEN

flight information (temporary)

FI/T

GEN

Flight Information Center

FIC

GEN

flight information publication

FLIP

GEN

Flight Information Region

FIR

GEN

Flight Information Region Boundary

FIRB

GEN

flight information service

FIS

GEN

flight inspection

F

GEN

Flight Inspection District Office

FIDO

GEN

Flight Inspection Field Office

FIFO

GEN

Flight Inspection Field Office ­ High Altitude

FIFO­H

GEN

flight inspection group

FIG

GEN

flight level

FL

GEN

Flight management system

FMS

ICAO

flight orders

FLTO

GEN

flight path deviation indicator

FPDI

GEN

flight plan

FP

GEN

flight plan

PLN

ICAO

flight plan area

FPA

ATC

flight plan not received

FPNO

GEN

flight plan route

FPR

GEN

flight progress board

FPB

ATC

flight schedule monitor

FSM

ATC

Flight Service Station

FSS

ICAO

Flight Standards District Office

FSDO

GEN

Flight Standards National Field Office

FSNFO

GEN

flight strip printer

FSP

GEN

flight watch area

FWA

GEN

flight watch control station

FWCS

GEN

flight watch outlet

FLTWO

GEN

flight watch point

FWP

GEN

flight watch specialist

FWS

GEN

flight watch unit

FWU

GEN

flood stage

FLDST

NWS

flood warning issued

FLWIS

NWS

florescan instrument landing system

FILS

GEN

flow control time of arrival

FCTA

ATC

flow management unit

FMU

ICAO

fluctuating

FLUC

ICAO

fluctuation

FLCTN

GEN

fluorescent runway lighting (floodlight system)

FLORL

GEN

flurry

FLRY

NWS

fly runway heading

FRH

ATC

fog

FG

METAR

fog dispersal operations

DENEB

ICAO

fog in vicinity

VCFG

METAR

fog partial

PRFG

METAR

fog patches

BCFG

NWS

follow

FLW

GEN

following amendment authorized effective

FAMAE

GEN

following transmitted as received (message handling)

FTAR

GEN

foot

FT

GEN

for an approach to

FAA

ATC

for further clearance

FFC

ATC

for possible reclearance

FPRC

ATC

for your information

FYI

GEN

forecast upper wind and temperature for aviation

WINTEM

ICAO

forecast

FCST

GEN

forecast upper wind and temperature at specified points

ARMET

GEN

forecast wind factor

FRWF

NWS

foreign object debris

FOD

GEN

forenoon

FORNN

NWS

form

FRM

GEN

format

FMT

GEN

formation

FRMN

GEN

forming

FRMG

NWS

forward

FWD

GEN

forward collect

FWDC

GEN

forward visibility (miles)

FV

ATC

forward visibility more than (miles)

MFV

ATC

freeze

FRZ

NWS

freezing drizzle

FZDZ

METAR

freezing fog

FZFG

METAR

freezing level

FRZLVL

NWS

freezing rain

FZRA

METAR

freezing rain information not available (weather reports only)

ZRNO

NWS

freezing rain sensor not available

FZRANO

METAR

frequency

FREQ

ICAO

frequency change approved

FCA

ATC

frequency division data link

FDDL

GEN

frequency management officer

FMO

GEN

frequent

FQT

GEN

frequent

FRQ

ICAO

from

FM

ICAO

From (used to precede the call sign of the calling station)

DE

ICAO

from present position

FPP

ATC

front

FNT

NWS

frontal passage

FROPA

NWS

frontal surface

FROSFC

NWS

frontogenesis

FNTGNS

NWS

frontolysis

FNTLYS

NWS

frost

FRST

NWS

frozen

FRZN

NWS

FSS assumes control of tower frequencies and lights

FATFL

GEN

FSS assumes flight­plan area and Service B

FAFAB

GEN

FSS guarding Service B

FGSB

GEN

FSS returns control of tower frequencies and lights

FRTFL

GEN

FSS returns flight­plan area and Service B

FRFAB

GEN

FSS returns Service B

FRSB

GEN

fuel advisory

FA

ATC

fuel advisory departure

FAD

GEN

fuel on board

FOB

GEN

fuel remaining

FR

GEN

fuel supply exhausted

FEXHA

ATC

fuel supply unknown

FENKN

ATC

fuel supply until

FENTL

ATC

full performance level

FPL

ATC

full route clearance

FRC

GEN

full stop landing

FSL

ATC

function

FNCTN

GEN

funnel cloud

FC

METAR

furnish

FURN

GEN

further particulars when available

FPWA

ATC