fric - G-su
- friction
- friction control
- friction factor
- friction horsepower
- friction reentry
- friction testing
- frictional error
- frictional heating
- frictional layer
- frictional plastic
- frictional pressure drop
- frictional torque
- frictional value
- frictionless
- frictionless flow
- friend-or-foe identification
- friend-or-foe signal
- friendly aircraft
- frigate
- fringe
- fringe of space
- fringe pattern
- fringe region
- Frise aileron
- from drawing board
- from rest
- front
- front attachment line
- front beam
- front bearing
- front casing
- front elevation information
- front end closure
- front flap
- front fuselage
- front gear box
- front inlet
- front nozzle output
- front quarter attack
- front rotor
