Antenna, Localizer/Glide Slope, USSR, similar to USAAF AS-27/ARN-5 Victor This is a De-Icing Pressure

This is a De-Icing Pressure Indicator for the de-icing system used in WWII US Army Air Forces aircraft such as the B-17 Flying Fortress

as used in the US Navy's Patrol Bomber and Sub Chaser the Lockheed P-2 Neptune (see photo of page from the P2V7 Neptune flight manual dated 1961 depicting the instrument location on the cockpit panel with a red dot)

this indicator was used in the twin-engine Bristol Beaufighter

25in diameter and ~ 2

See a photo the spec sheet in the photo gallery

Antenna, Localizer/Glide Slope, USSR, similar to USAAF AS-27/ARN-5 Victor This is a De-Icing PressureThis is a 1940's vintage aircraft navigational antenna combining the functions of Localizer (aft pointing U shaped antenna) and Glideslope (straight, lateral antenna), very similar to AS 27A of the ARN 5 system used in bomber and transport aircraft of the US Army Air Force. However, on the underside of the base Russian Cyrillic characters are stamped in the metal, evidence of possible USSR origin.