Wheel and Flap Position Indicator, Type A-3, GE 8DJ17AAL, New Old Stock TBM Avenger and the "42" in the

and the "42" in the serial number indicates a manufacturing year of 1942

Air Corps US Army Type C-14 (also AN-5761-1)

In this edition

and B-26 bombers but is pre-B-29 Central Fire Control (so no B-29-specific content)

Wheel and Flap Position Indicator, Type A-3, GE 8DJ17AAL, New Old Stock TBM Avenger and the "42" in theHere is a Type A 3 Wheel and Flap Position Indicator used in WWII aircraft of the US Army Air Force with a tail wheel (vs nose wheel aircraft), made by GE model 8DJ17AAL. According to the US Army Air Force Interchangeability Cross Reference Chart dated February 1945, this indicator was used in the fighter P 47 Thunderbolt, as well as in the A 35 Vengeance dive bomber, C 46 Commando transport, and UC 78 Bobcat utility aircraft. The positions of the