Master Direction Indicator, Autopilot, Type N-5, US Air Force 1951 CF-100 The right hand gauge measured

The right hand gauge measured system pressure and indicated the quantity of oxygen remaining in the system

The center knob rotates a flexible shaft connected to a rotatable loop antenna

trainer T-33

and produced for a US Air Force application per its MIL spec

indicating RPM for the rotor on the inner scale and rotor for the outer scale with a ratio of 9

Master Direction Indicator, Autopilot, Type N-5, US Air Force 1951 CF-100 The right hand gauge measuredThis is a Master Direction Indicator for the Bendix autopilot system, Type N 5, Bendix part number 16404 1C A1, with a serial number prefix of AF 51, indicative of a manufacturing year of 1951 for an order by the US Air Force. We have yet to link it to a specific aircraft of the USAF. This indicator has 3 calibration screws along each outside edge of the dial, as well as a calibration window on its top side. It is in exceptional condition given its