Autopilot, Directional Gyro, Type A-3A, Jack & Heintz Halifax Used to alter the Heading

Used to alter the Heading Index

an image of the spirit level can be seen projected vertically within the sighting tube

The compass consists primarily of a cylindrical metal bowl filled with compass fluid

OCAMA managed repairs and furnished spare parts for the B-52

This PDI is in exceptional condition for its age and could be new old stock

Autopilot, Directional Gyro, Type A-3A, Jack & Heintz Halifax Used to alter the HeadingHere is a WWII era Directional Gyro module of the Type A 3A Automatic Pilot system, made by Jack & Heintz, with a serial # prefix of 42, indicating a manufacturing date of 1942, for the US Army Air Force. Would be connected with the Vertical Gyro module and the Speed Control Valves of the same system and installed on the flight control panel. The A 3A autopilot was used in bombers B 24C Liberator, B 25C,D,G Mitchell (see images from B 25 flight