Radio Compass Indicator, I-82-A, of SCR-280-A & AN/ARN-7 System, Signal Corps US Army Allison F4U-5N Corsair

F4U-5N Corsair

Used in 1960's-era aircaft such as the RAF V-bombers Avro Vulcan (see photo of Vulcan instrument panel) and Handley Page Victor

but doesn't affect the cosmetic appearance and could be replaced

Setting Knob

Here are two types of aircraft Pelorus Drift Sight

Radio Compass Indicator, I-82-A, of SCR-280-A & AN/ARN-7 System, Signal Corps US Army Allison F4U-5N CorsairThe Navigator's Radio Compass Indicator, I 82 A, was a component of the SCR 280 A and the AN ARN 7 Radio Compass System. These systems were used in 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, and in US Army Air Force bombers B 17, B 24, B 25, and B 26. The radio compass, receiving ground signal from a selected transmitter via its