gas pressure indicator

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

fuel pressure indicator

heat-resistant pressure indicator

heat-resistant vibration-proof pressure indicator

high-pressure gas

gas-pressure type (self) starter

gas gun; (tear) gas launcher

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

range height indicator (RHI) scope

target indicator

telltale indicator

turbine inlet temperature indicator

vertical gyro indicator

vertical scale indicator

counter indicator

gyroscope course indicator scale

zone-beat indicator

fire extinguishing system indicator disc

slave indicator

indicator sight glass window

indicator elevating mechanism

standard performance indicator dictionary

bearing preload indicator