QNC completes 707 hushkit tests and prepares DC-8 for flight

QUIET NACELLE (QNC) has completed flight-tests of a Stage 3 hushkit for the Boeing 707, and is awaiting supplemental type-certification (STC). The hushkit was installed on a Pratt & Whitney JT3D-powered US Air Force Boeing WC-135B (the military 707) for acoustic testing at Moses Lake, Washington.

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