unfo - veer
- unforeseen circumstances
- unhampered access
- uniform acceleration
- uniform load
- uniform procedure
- unimproved aerodrome
- unintentional occurrence
- unique address code
- Unit
- unit
- unit fitting
- unit load
- unit load device
- unit noise duration
- unit of measurement
- unit operating cost
- unit seat price
- unit toll
- unit toll transportation
- universal link
- universal-joint wrench
- unlade
- unladen aircraft
- unlatch
- unlawful interference
- unlawfully seized aircraft
- unleaded gasoline
- unlimited visibility
- unloading
- unloading cylinder
- unloading ramp
- unmanned
- unmarked aerodrome obstructions
- unobstructed landing area
- unofficial flight information
- unparalleled operation
- unpaved aerodrome
- unpaved airfield
- unpaved runway
- unpaved taxiway
