Airspeed Indicator 320 MPH Mk IXD Ref 6A/415 RAF B-17 25 inches diameter and ~4

25 inches diameter and ~4 inches long

This manual came to AeroAntique from the estate of a pilot of an SBD Dauntless Dive Bomber

Power Plant

The position of the wheels were indicated by the 3 small window insets

Would be connected with the Directional Gyro module and the Speed Control Valve module of the same system and installed on the flight control panel

Airspeed Indicator 320 MPH Mk IXD Ref 6A/415 RAF B-17 25 inches diameter and ~4This is an excellent example of a WWII era Air Speed Indicator Mark IXD, Ref 6A 415, as used in the British RAF Fairey Battle bomber and the Airspeed Oxford utility aircraft. This particular specimen has a serial number showing a year of manufacture of 1939. Air speed from 0 200 MPH is indicated by a clockwise rotating pointer, starting at the 6 o'clock position, along the outer perimeter scale. As the aircraft passes 200 MPH, air speed is indicated