Turn and Bank Indicator Type A-11, AN5820-1 Air Force US Army, WWII, B-17, P-51, P-38 F-80 A totalizing indicator displayed the

A totalizing indicator displayed the total fuel available in all of the fuel tanks within the aircraft (usually without including any supplemental tanks e

The first ~200 pages describe various aspects of air services

the swept-winged Cougar replaced the straight-winged F9F Panther (pre F9F-6) providing greater airspeed and performance

An excellent overview of the system can be read at the Duxford Radio Society website

The glass has a slight haze but could be opened and cleaned

Turn and Bank Indicator Type A-11, AN5820-1 Air Force US Army, WWII, B-17, P-51, P-38 F-80 A totalizing indicator displayed theThis 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