Flap Position Indicator B-24 Liberator, PB4Y Privateer, WWII GE DJ11 Korean War It was for aircraft with

It was for aircraft with shallow/slow climb/descent speed i

and bears a serial number indicating a year of manufacture of 1943

It is mostly filled with fluid and the compass card rotates

each which rotate as the pressures change

part number 200DCFM

Flap Position Indicator B-24 Liberator, PB4Y Privateer, WWII GE DJ11 Korean War It was for aircraft withThis 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). Made by General Electric, Type DJ11. The indicator provided visual information on the angle of extension of the wing flaps during take off and landing, measured from full up