Compass, Remote Indicating AN-5730-2A PB-1 EPR indicators were used in

EPR indicators were used in jet engine aircraft

This is an original soft-cover WWII-era Instrument Flying Manual

200 gallons

The first and longest indicated 100's of feet

which would place this in one of the first P-3's to enter service (first P-3 flight was 1959

Compass, Remote Indicating AN-5730-2A PB-1 EPR indicators were used inHere is a fine example of a WWII era Remote Indicating Compass AN 5730 2A as appeared in the cockpits of many aircraft of the US Army Air Force and US Navy, such as bombers B 17, B 24, B 29, B 25, and fighters P 38 and P 51, according to the US Army Air Force's Interchangeability Guide dated Feb 1945. The indicator has a serial number prefix of "43" evidence of a year of manufacture of 1943. See spec sheet in the photo gallery. It was also used in the