Autopilot Control Panel for A-5 Auto Pilot System, Sperry Short Stirling -7 to 25 PSI

-7 to 25 PSI

and fighters P-38 Lightning and P-61 Black Widow

The procedure is changed from Take-off to Landing and vice versa by rotating the knob in the lower left

USN 33451 has been etched on the back of the case

it rotates 360deg past 0 once 800 km/h is exceeded

Autopilot Control Panel for A-5 Auto Pilot System, Sperry Short Stirling -7 to 25 PSIThe A 5 Automatic Pilot was used primarily in WWII era bomber aircraft of the Air Corps US Army such as the Consolidated B 24 Liberator (see photo showing the location of the panel in the B 24 cockpit). The A 5 system appeared in aircraft manufactured during or before 1943, the year when the Honeywell C 1 system became the standard autopilot system for large multi engine aircraft. Theoretically, the A 5 system may also have appeared in the Boeing B 17