Tag Archives: compound helicopter

Report: Boeing-Sikorsky Team Eyes December for SB>1 Defiant’s First Flight

Boeing and Lockheed Martin’s Sikorsky subsidiary expect the SB>1 Defiant compound helicopter to have the initial flight in December, Breaking Defense reported Wednesday. The two companies have teamed up to design and propose the aircraft for the U.S. Army’s Future Vertical Lift program. The service considers Defiant and the Bell V-280 Valor tiltrotor for the FVL initiative. …

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