Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA Air Forces of USA see page from its pilot

see page from its pilot manual dated 1944

25 inches across and ~ 3

observers could determine the location of friendly aircraft using triangulation

The unit is in reasonable cosmetic condition and all mechanical features appear to operate

In very nice condition for its age

Wheel and Flap Position Indicator, AN5780-3, 8DJ26AAA Air Forces of USA see page from its pilotThis is a late WWII era Wheel and Flap Position Indicator, Type AN5780 3, as used in aircraft of the US Army Air Force with either tricycle landing gear (i. e., nose wheel) or tail wheel configurations. According to the Maintenance Interchangeability Chart dated Feb 1945, late models of medium bomber B 26 Marauder, attack bomber A 20 Havoc, and night fighter P 61 Black Widow used this indicator. This particular indicator has a serial number prefix of