Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA US Navy P-51 not surprisingly

not surprisingly

such as the Gyro Horizon

The post war USN fighter F8F Bearcat used the AN5780-3 as documented in its Erection and Maintenance Manual dated 1948

The 1958 Flight Manual of the Lockheed C-121 Constellation shows these instruments located on the pilots instrument panel as well the flight engineer's panel

Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA US Navy P-51 not surprisinglyThis is a late WWII era and Post war Wheel and Flap Position Indicator, Type AN5780 3, as used in aircraft of the US Army Air Force and US Navy with tail wheel or nose wheel landing gear, serving both configurations (prior models were dedicated to each configuration). According to the Maintenance Interchangeability Chart dated Feb 1945, this indicator was being used in late models of medium bomber B 26 Marauder, attack bomber A 20 Havoc, and night