Radio Compass Indicator, I-65-D, of SCR-280-A Radio System, Signal Corps US Army, NOS Piasecki F4U-5N Corsair

F4U-5N Corsair

Yokosuka D4Y Dive Bomber Type 1 Suisei aka "Judy"

The total fuel is the combination of the two readings

EPR indicators were used in jet engine aircraft

Radio Compass Indicator, I-65-D, of SCR-280-A Radio System, Signal Corps US Army, NOS Piasecki F4U-5N CorsairThe 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