quiet aircraft

quiet short-haul aircraft

quiet short-haul research aircraft

quiet engine

quiet field force conspectus rates

quiet rate

quiet short-haul air transportation system

This sets if the TX shall stay quiet on startup

training aircraft (tng acft) / trainer aircraft

aircraft accident (flight accident; aircraft mishap)

aircraft armaments / aircraft weapons

aircraft accident / flight accident, aircraft mishap

aircraft mishap / flight accident, aircraft accident

aircraft modernization / aircraft upgrade

aircraft track and balance (adjusting balance of aircraft)

aircraft upgrade / aircraft modernization

aircraft weapons / aircraft armaments

flight accident / aircraft accident, aircraft mishap

low flying aircraft / low-flying aircraft

anti-aircraft artillery observation aircraft

airborne early warning aircraft

airborne warning and control aircraft

aircraft (acft, A/C )

aircraft accident

aircraft airworthiness certificate

aircraft armament

aircraft armament system

aircraft carrier (CV)

Aircraft Cross-Servicing Programme (ACSP, NATO)

aircraft en route phase

aircraft fueller

aircraft gunnery system

aircraft heading