free - full
- free
- free air
- free air drag
- free air path
- free body drag
- free decay
- free dynamics
- free edge stresses
- free end
- free fall
- free flight
- free floating aileron
- free jet
- free mode
- free molecular flow
- free oscillation tests
- free play
- free power turbine
- free response
- free roll
- free spinning facility tests
- free stick
- free stream
- free stream boundary
- free surface
- free tip
- free to pitch
- free to roll
- free to roll model
- free transition
- free turbine
- free turbine engine
- free vibration
- free vortex
- free-deck operations
- free-deck stopping
- free-deck takeoff
- free-elevator factor
- free-fall
- free-fall autorotation
