Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Allison which in turn would transmit

which in turn would transmit these signals to smaller repeater indicators located at other positions such as the pilots instrument panel

Radar Navigation Equipment

but does not engage the barometric pressure adjustment mechanism consistently

This instrument was used in aircraft with a navigator crewman as an aid to determine the position and course of the aircraft during nighttime flying using celestial navigation

Designed for naval ordnance

Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Allison which in turn would transmitThis Radio Compass Indicator is labeled for use in the WWII era Air Corps US Army's C 3 Link Trainer. Similar to other radio compass indicators used in actual aircraft, the indicator would indicate to the pilot in training simulated directional signals received from ground transmitters by the loop antenna, allowing for course adjustments left or right. The indicator is in exceptional condition for its pre 1943 age (the year the Air Corps US Army