Autopilot Flight Controller USAF E-4, C-130 F4U Corsair part number 2221

part number 2221

which appears to have deformed from heat or sunlight

copyrighted in 1943

and the lettering is perfect

Autopilot Flight Controller USAF E-4, C-130 F4U Corsair part number 2221This is an example of the Flight Controller, Type A 6, for the USAF Autopilot Type E 4 (aka as the Sperry A 12 Gyrosyn Automatic Pilot System). The E 4 System was used in the late 1940 1950's and was still in use in some 1960's aircraft. Early Lockheed C 130 Hercules transports used this system, as well as civilian aircraft such as DC 3 and DC 6. This item has a serial number prefix of AF 52, evidence of manufacturing year of 1952 for a USAF order.