aircraft turboshaft engine

axial-flow turboshaft engine

turboshaft engine

engine capacity / engine power, engine output

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

single-engine aircraft

twin engine aircraft

action plan on aircraft engine emissions

aircraft engine emission

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

air-breathing jet engine

axial-flow (jet) engine

compression ignition engine

cylinder block (engine block)

diesel engine

engine

engine kill

engine pack

engine room