Heading Selector, Zero Reader C-46 Aichi E13A Type Zero Reconnaissance

Aichi E13A Type Zero Reconnaissance Seaplane aka "Jake"

as used in aircraft of the US Army Air Force and US Navy with tail wheel landing gear

See photo of the location of the instruments on the Flight Engineers lower instrument panel from the C-121 flight manual dated 1958

as used in F-4 Phantom

Heading Selector, Zero Reader C-46 Aichi E13A Type Zero ReconnaissanceThe Zero Reader Heading Selector, made by Sperry part number 672670 2, was a component of the Zero Reader Flight Computer. The Zero Reader was used in a number of Cold War era aircraft of the US Air Force, 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). According to the F 94 Starfire Flight Manual: The Zero Reader is an automatic flight instrument that