Sikorsky-Boeing’s SB-1 Defiant has fallen months behind its scheduled first flight in the US Army’s Joint Multi-Role Technology Demonstration (JMR-TD), even as Bell Helicopter’s V-280 Valor marches ...
With the decision on the replacement of the US Army's UH-60 Black Hawk fleet coming down to the wire, the partners behind the Lockheed Martin Sikorsky-Boeing SB>1 Defiant have announced that their ...
The Sikorsky-Boeing SB>1 Defiant co-axial compound helicopter made its maiden flight on 21 March. The first flight of the Sikorsky-Boeing SB>1 Defiant co-axial compound helicopter for the JMR-TD FVL ...
Defiant X, the coaxial-rotor helicopter jointly designed by Sikorsky and Boeing, has completed a 700nm (1,296km) test flight from Sikorsky’s test flight centre in West Palm Beach, Florida to Nashville ...
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The Sikorsky/Boeing SB-1 Defiant is back flying after a delay caused by “joint creep” identified in the propulsion system testbed gearbox. The Defiant team decided to fix the issue instead of ...
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