Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA US Navy P-51 Each time it is depressed

Each time it is depressed

such as the Gyro Horizon

but could be removed and cleaned

not surprisingly

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

Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA US Navy P-51 Each time it is depressedThis 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