Beacon Radio Receiver BC-1206-C, Model 524 A-30 FSSC number 88-I-2121

FSSC number 88-I-2121

The US Army Air Force Type D-12 Direct Reading Aperiodic Compass was used at the navigators station across many US WWII aircraft

The Compensating directional adjustment module should be located directly beneath the body of the compass

The lamp unit is removed by depressing a small button on the bottom of the housing

Sperry part number 644836

Beacon Radio Receiver BC-1206-C, Model 524 A-30 FSSC number 88-I-2121The WWII era Beacon Receiver BC 1206 (with 3 manuals), often categorically called "Detrola", is a small airborne superheterodyne receiver with frequency range of 200 400 KC for receiving signals from ground based transmitters within a range of 150 miles. They could also receive voice transmissions, according to the documentation included in this listing. In the photo gallery, see the location of the receiver on the right side of the cockpit in a P 47