Pilot Director Indicator as used with C-1 Autopilot, WWII B-29, B-24, B-17 (A) F9F Cougar Still not bad for an

Still not bad for an artifact that is more than 70 yrs old

Low-powered

such as the F-89 Scorpion and F-94 Starfire jet fighters/interceptors (see photos from F-89 flight manual showing the location of this instrument)

when combined with the APA-44 computer

measuring ~4 inches by ~7 inches

Pilot Director Indicator as used with C-1 Autopilot, WWII B-29, B-24, B-17 (A) F9F Cougar Still not bad for anThe 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