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

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

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

also very similar to the ones of the N-3

part number 8DJ57HAA

See photo for instructions on its use

representing the direction and distance the air has moved during the elapsed time

and 1 3/4" deep mounted in a black

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

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

The first ~200 pages describe various aspects of air services

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

The fluid is no longer present

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