The SB>1 Defiant compound helicopter has only 11 hours of flight testing, versus over 160 for Bell’s V-280 Valor. But Sikorsky and Boeing say they have thousands of hours of other testing data to help the Army choose.
By Sydney J. Freedberg Jr.Only one contender for the Army’s future scout is derived from an aircraft that’s actually flown. Guess which?
By Richard WhittleMechanical fixes kept the SB>1 compound helicopter grounded for weeks this summer, but the Sikorsky-Boeing team insists they can catch up.
By Sydney J. Freedberg Jr.