Defiant undergoing rigorous testing prior to first flight this year
By: Jen Judson   1 day ago
Correction: Boeing’s Rotte said Defiant would fly later “than†this summer.
WASHINGTON — The Sikorsky-Boeing SB-1 Defiant coaxial helicopter demonstrator is now undergoing rigorous testing prior to its first flight expected later this year, according to Boeing and Sikorsky company officials.
Defiant is likely to fly later than the summer, Randy Rotte, Boeing’s director of global sales and marketing for cargo helicopters and Future Vertical Lift, told Defense News in a recent interview.
https://www.defensenews.com/land/2018/03/14/defiant-undergoing-rigorous-testing-prior-to-first-flight-this-year/
