Pilot Director Indicator for C-1 Autopilot, WWII B-29, B-24, B-17 F-106 WW2-vintage Vertical Gyro module of

WW2-vintage Vertical Gyro module of the Type A-3A Automatic Pilot system

but it's certainly an interesting item nonetheless

The flight computer indicator is in good condition given its age

as is the banking indicator (fluid is intact)

Pilot Director Indicator for C-1 Autopilot, WWII B-29, B-24, B-17 F-106 WW2-vintage Vertical Gyro module ofThe Pilot Director Indicator (PDI) was used during WWII in bombers of the US Army Air Force , including heavy bombers B 17 Flying Fortress, B 24 Liberator, and B 29 Superfortress and medium bombers B 25 Mitchell and B 26 Marauder, and US Navy's PBY5A Catalina and PB4Y Privateer. The PDI was located on the pilots instrument panel, and received signals from the bombardier to indicate his desired course changes, left or right, to obtain an accurate bomb