Course Selector, Kollsman ID-322 of AN/ARN-30 Radio Receiver UH-1, C-47, C-54 F4U Corsair Mounted within the ball turret

Mounted within the ball turret at the right foot of the ball turret gunner (see photo)

such as the F7F Tigercat fighter and versions of the PBY Catalina and PBM-5 Mariner patrol bombers (see illustration from the F7F flight manual dated 1947)

the indicator would indicate to the pilot-in-training simulated directional signals received from ground transmitters by the loop antenna

such as the Lockheed F-104 Starfighter (see photo from F-104 Flight Manual in gallery)

WHEEL ASSEMBLY-26

Course Selector, Kollsman ID-322 of AN/ARN-30 Radio Receiver UH-1, C-47, C-54 F4U Corsair Mounted within the ball turretThis is a Course Selector, made by Kollsman, part number 1559 010130, ID 322 as used in the AN ARN 30 Radio Receiver System (see photos of system and its description in gallery) during the 1950s 60's. According to Designation Systems. net, AN ARN 30 was used in versions of the following aircraft: UH 1, H 19, H 25, H 34, CH 47, CH 53, OV 1, B 57, C 47, C 54, C 117, S 2, T 33. Measures 3. 25in diameter and ~5in deep. It is in nice condition given its