Turn and Bank Indicator Type A-8, Air Corps US Army, WWII, B-17, P-51, P-38 Liaison Aircraft "triggering" the Eureka (AN/PPN-1) and

"triggering" the Eureka (AN/PPN-1) and causing it to return a pulse

If the plane flies on a direct course

Liechtenstein

The float is suspended so that the needles are free to align themselves horizontally with the earth's magnetic field

Turn and Bank Indicator Type A-8, Air Corps US Army, WWII, B-17, P-51, P-38 Liaison Aircraft "triggering" the Eureka (AN/PPN-1) andThis pre & early WWII era Turn & Bank Indicator Type A 8, made by Bendix Part No. 1718 2S A2 for the Air Corps US Army, was used across virtually all its aircraft during WWII, including bombers B 17, B 24, B 25, B 26, fighters, P 38, P 39, P 40, P 47, P 51, and transports C 46 and C 47. Imprinted on the face, but barely discernible in the photos, is "AC US Army" (Air Corps US Army), and its serial number prefix is AC41, indicating the manufacturing