Sikorsky-Boeing Defiant Makes Delayed First Flight

Credit: Defiant: Sikorsky/Boeing
Sikorsky and Boeing accomplished the delayed first flight of the SB-1 Defiant high-speed helicopter on March 21 at West Palm Beach, Florida. Built for the U.S. Army’s Joint Multi Role (JMR) technology demonstration, the rigid coaxial-rotor compound helicopter flew for more than 30 min., conducting...

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