Antenna, Rebecca, AT-2/APN-2 Aerial Refueling 000 lb capacity Center Main

000 lb capacity Center Main fuel tank

From our research

Likely this version of Altimeter was also used in aircraft of the USSR

with BU AERO US NAVY on its data label

Antenna, Rebecca, AT-2/APN-2 Aerial Refueling 000 lb capacity Center MainThis WWII era "Rebecca" antenna is a AT 2 APN 2, but a version that has the brown (resin or masonite) stabilizing 'wings' between the mast and the blades. Two were typically mounted on each side of the aircraft forward of the wing, receiving navigational signals from the "Eureka" transmitting station and indicating those signals to the crewman on a BC 929 A receiver (not included). See photo of a similar antenna mounted to the fuselage of a B 24