- feeder airline
- feeder line
- feeder ship
- feeder train
- feeder tank
- ferry cable
- fiddle
- filling frame
- filling station
- fin
- fendoff
- ferry
- fire wire
- ferry fight
- field side
- fill
- fiddle block
- field weld
- fire deck
- fire wall
- fish
- fish bolt
- fishing fleet
- fishing ground
- fishing port
- fishing rights
- fishing smack
- fishing vessel
- fit fit
- fixed axle
- fixed beacon
- fixed wing
- flag locker
- flag signal
- flaking
- flame holder
- flange
- flange angle
- flange height
- flange root
- flange toe
- flange way
- flange wear
- flange welding
- flap jack
- flapping angle
- flare
- flared-out
- flat car
- flat top
- flat wagon
- flat wheel
- flexible switch
- flight controls
- flight crew
- flight deck
- flight manual
- flight test
- flight transition
- floating beacon
- floating lever
- flooded
- flotilla
- flat stern
- flat turn
- flight computer
- flight controller
- flight data
- flight instruments
- flight status
- floating gear
- floating line
- floor hatch
- floor trap
- flotsam
- fore
- Foreign investment
- foreman shunter
- foreman switcher
- forestay
- forged wheel
- fluviatile
- flux valve
- fly shunting
- flying boat
- foam extinguisher
- flexibility
- flight altitude
- flight compartment
- flight envelope
- flight level
- flight log
- flight spectrum
- flight visibility
- float circuit
- float off
- floating gang
- flooded jet
- floor beam
- floor panel