Pilot Directional Indicator for C-1 Autopilot, New Old Stock, WWII B-29, B-24, B-17 Wellington high altitude

high altitude

The entire kit measures 8 inches by 14 inches by 10 inches and weighs ~32 lbs

or aligned with the transmitting station

but all of the pages are included

The 8 inch by 10 inch booklet is in very good condition given its age

Pilot Directional Indicator for C-1 Autopilot, New Old Stock, WWII B-29, B-24, B-17 Wellington high altitudeThe Pilot Directional 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