Original Items: Only One Set Available. This is a pair of Airspeed Indicators, 10-150 Knots, as used in the Piasecki HUP / US Army Mule Helicopter during the 1960’s and the S-61 Helicopter of Vietnam. The paint on the dial perimeter indicates safe operating range. One is marked “For Use on Ground Simulator Only”, the other was used in the actual helicopters and was manufactured by SMITHS.
Both offered in very good condition and each measures approximately 3.25 inches in diameter and ~2 inches deep.
