Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast Guard which would be facing the

which would be facing the navigator at the map table

WHEEL ASSEMBLY-26

part # 37413-203A

Each measures ~3

Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast Guard which would be facing theThis 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