Radio Compass Indicator, I-65-D, of SCR-280-A Radio System, Signal Corps US Army, NOS

The Pilots Radio Compass Indicator, I-65-D, was a component of the SCR-280-A Radio Compass System, as used in early versions of the WWII-era Air Corps US Army Douglas C-47 Skytrain transport, according to the US Air Service Command's Airborne Radio Equipment Handbook dated 1943.  This indicator was manufactured before WWII, in November 1940.

The radio compass, receiving ground signal from a selected transmitter via its loop antenna mounted top or bottom of the fuselage, provided directional indication (left or right) to the pilot with respect to the source of the signal.  The knob at the top right provided dial illumination when turned.

The indicator is New Old Stock and in exceptional condition give its age. Includes the original carton and label.  Measures 3.25 inches diameter and ~4 inches deep.