Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast Guard

Searchlight Azimuth-Elevation Indicator ID-277/AVQ-2, S2 Tracker, P2V Neptune US Coast GuardThis 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

as long as you "Handle Like Eggs"

for taking bearings on objects

The glass for #1-2 needs cleaning from the inside

It not only describes the weapons (guns

made by Sperry of Canada to RCAF reference 6A/1109

It also covers recording devices (i

which would be facing the navigator at the map table

part # 37413-203A

WHEEL ASSEMBLY-26

The data label shows manufacturing for an order by the BUAER

Each measures ~3

These instruments are clearly 'experienced' but are in reasonable shape for their age