Instrument Flight Manual, US Navy NATOPS 1967 Spitfire made by Kollsman

made by Kollsman

The knob rotates the face of the instrument to correct the scale

as well as the metal laminate on the blade's leading edge

part number AW-SS-1-C

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

Instrument Flight Manual, US Navy NATOPS 1967 Spitfire made by KollsmanThis 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.