Altimeter, Sensitive, AN-5728, 35,000 ft, US Navy WWII 209-02, R88-A-300 Hughes part number AW 2 3/4

part number AW 2 3/4 -40-B2

This is a post WWII Air Data Publications reprint of the October 1944 Air Ministry Publication

MA-1's were also used in UH-1 Huey Helicopters

and the AC-130A Hercules Gunship dated 1977

Altimeter, Sensitive, AN-5728, 35,000 ft, US Navy WWII 209-02, R88-A-300 Hughes part number AW 2 3/4Here is an early WWII era Sensitive Altimeter, US Navy AN 5728, made by Kollsman part number 209 02 and FSC number R88 A 300. BU AERO USNAVY is embossed on its face, and has the alternating munsell green colored markings used across many USN instruments. This sensitive altimeter displayed altitude using 2 pointers and a small inner dial. The first and longest indicated 100's of feet, and the second indicated 1000's of feet along the outer scale. Ten