покажчик рівня оливи в двигуні
engine oil reservoir / engine oil tank
engine capacity / engine power, engine output
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
main gear box oil temperature indicator
fuel level indicator
oil gauge / oil-gauge
oil-level gage
add-oil level
engine detonation indicator
engine vibration indicator
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
all purpose engine oil
engine lubricating oil
engine oil conditioner
engine oil supply passages
engine solar oil
heavy oil engine
engine oil
viscous engine oil
reaction engine / motor (jet engine)
rotary engine (Wankel engine)
engine ground run / engine test
air-flow indicator
artificial horizon (gyro horizon/ attitude indicator)
desiccant indicator
gyro course indicator
indicator console
indicator lamp
indicator light
indicator system
performance indicator
radiac computer-indicator