Turn and Bank Indicator Type A-11, AN5820-1 Air Force US Army, WWII, B-17, P-51, P-38 F-80 and 1 3/4" deep mounted

and 1 3/4" deep mounted in a black

The fluid is no longer present

part number 8DJ57HAA

The first ~200 pages describe various aspects of air services

but where variation control and azimuth monitoring of Air Position Indicator or radio compass are required

Turn and Bank Indicator Type A-11, AN5820-1 Air Force US Army, WWII, B-17, P-51, P-38 F-80 and 1 3/4" deep mountedThis Turn & Bank Indicator Army Type A 11, AN5820 1, made by Bendix Part No. 1722 2V A2, was used across virtually all aircraft of the US Army Air Force 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 "AF US Army", and its serial number prefix is AF 42, indicates the manufacturing year 1942. This unit has the