Instrument Flight Manual, US Navy NATOPS 1967 Spitfire The knob on the face

The knob on the face should adjust the perspective indicator at center

500 ft based upon modern standards

with BU AERO US NAVY embossed in very small letters on the center of its face

made by Kollsman

Instrument Flight Manual, US Navy NATOPS 1967 Spitfire The knob on the faceThis is an original 1960's era Instrument Flight Manual for the Naval Air Training and Operating Procedures Standardization Program (aka NATOPS of course!) dated 1967. At about 170 pages, it details the use of flight instruments of the era, such as indicators for Altitude, Radio Magnetic compass, Bearing Distance Heading, Horizontal Situation, and Attitude, for basic instrument flight procedures and IFR, with additional background and other aspects.