Trim Position Triple Indicator, Rudder, Aileron, Elevator GE DJ-3 Model 8DJ3ECC Grumman True Airspeed Indicator

True Airspeed Indicator

this was used in WWII-era Luftwaffe aircraft Ar79

and the reflected signal is received on a separate receiver antenna

It is missing its rear cover

Mounted within the ball turret at the right foot of the ball turret gunner (see photo)

Trim Position Triple Indicator, Rudder, Aileron, Elevator GE DJ-3 Model 8DJ3ECC Grumman True Airspeed IndicatorThis is a triple Trim Tab Position Indicator, made by General Electric, Type DJ 3, Model 8DJ3ECC, likely from the 1950's and used in US Navy aircraft judging from the blue green of some of its lettering and the presence of a USN stock # (R88 I) etched on the top edge of the case. Measures 3. 25in diameter and ~2. 75in deep. It is in exceptional condition given its age. The dial markings are clear and the glass and case are intact.