Altimeter Type B-11 20K Ft, Air Force US Army UH-1

Altimeter Type B-11 20K Ft, Air Force US Army UH-1This is a WWII era Sensitive Altimeter displaying aircraft altitude from 0 to 20,000 feet. The Type B 11, made by the Bulova Watch Company, was used in a variety of aircraft during early WWII with a maximum performance ceiling below 20,000 ft. This altimeter has a serial number prefix of AF 43, indicative of a year of manufacture of 1943. See spec sheet. Altitude was indicated from 0 10,000 ft by the long pointer along the outer scale. As the aircraft

The equipment is basically a 15 tube superheterodyne radio receiver with the addition of certain essential circuits necessary for radio compass operation

vs wings and tailwheel) aircraft

so it was likely used in a USN aircraft

published in 1940 by the British Royal Air Force Air Ministry

This is a hard copy reprint of the original WWII-era Pilots Manual for the P-38 Lightning Fighter published by Aviation Publications

The Air Position Indicator Computer was installed in the instrument panel of the navigator

the operating ranges for each parameter are labeled in green/red on each scale

continues through the broadening tube and passes out at the tail end

Measures 5

This is a Pocket Reference Handbook containing 8 diagrams of the airframe stations of the US Navy's Patrol Bombers PB2Y Coronado and the PBM Mariner

US Army Air Force Type D-3

A-25 Shrike