Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast Guard part # 37413-203A

part # 37413-203A

WHEEL ASSEMBLY-26

The data label shows manufacturing for an order by the BUAER

for taking bearings on objects

Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast Guard part # 37413-203AThis is a Searchlight Azimuth Elevation Indicator type ID 277 AVQ 2 as used in the Cold War era antisubmarine aircraft Lockheed P2V Neptune and Grumman S 2 Tracker, and Martin P5M Marlin Floatplane of the US Navy. The crewman or co pilot operated a handgrip to adjust the aim of the externally mounted searchlight, and the azimuth and elevation of the searchlight's beam relative to the position of the aircraft would appear on the indicator. See