gyro unit

gyro-compass / gyro-unit

gyro-unit / gyro-compass

bank-and-climb gyro unit

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

position and navigation unit / position navigation unit (PNU)

pinch (a unit) out of a large unit

artificial horizon (gyro horizon/ attitude indicator)

azimuth gyro

gyro course indicator

vertical gyro indicator

bootstrap gyro

bootstrap gyro system

gyro gunsight

radar-ranging gyro gunsight

upper proximity dot (of a gyro gunsight)

remote indicating automatic gyro horizon

roll-rate gyro

yaw-rate gyro

air-driven gyro

artificial horizon / attitude indicator, gyro-horizon

attitude indicator / artificial horizon, gyro-horizon

directional gyro

electrically-driven gyro

flight gyro

gyro

gyro flux(-)gate compass

gyro horizon

gyro stabilized flux(-)gate compass

gyro torquer

gyro vertical

gyro-horizon / artificial horizon, attitude indicator