Wheel and Flap Position Indicator, Type A-3 HUP

Wheel and Flap Position Indicator, Type A-3 HUPThis is a WWII era Wheel and Flap Position Indicator, Type A 3, as used in aircraft of the US Army Air Force and US Navy with tail wheel landing gear. According to the Maintenance and Interchangeability Chart dated Feb 1945, the A 3 indicator was used in early versions of fighter P 47 Thunderbolt (see image of the P 47 instrument panel from its flight manual dated 1943) and transport C 46 Commando. It was also used in the fighter P 40F Warhawk

The dial measures 3

The larger buckle may be home made

with BU AERO US NAVY on its data label

and a cover which probably affixed to another housing assembly

Indicator ID-92/ARN-6

Some slight fraying on the spine but all pages appear to be intact

The Magnesyn compass indicator received an electronic signal from a remotely located compass transmitter (which avoids magnetic interference from the engines and other instruments)

This is a Flap Position Indicator as used in the WWII-era Consolidated US Army Air Force B-24 Liberator Heavy Bomber (see 2 cockpit photos and photo from the B-24 Pilots Manual dated 1944) and the US Navy's PB4Y4 Privateer Patrol Bomber (see photo from Flight Manual dated 1945)

When you’re done with the top timer press the left button again

The K-13 Compensating Gunsight

Included is a clear cover

77 hours) before completely turning over