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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Last week, a fascinating experimental helicopter from Sikorsky and ...

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 ...

WEST PALM BEACH, Fla., March 21, 2019 /PRNewswire/ -- The Sikorsky-Boeing SB>1 DEFIANT™ helicopter achieved first flight today at Sikorsky's West Palm Beach, Florida site. This revolutionary aircraft, ...

Sikorsky and Boeing have worked together on their offering for the U.S. Army's Joint Multi-Role technology demonstrator called the SB-1 Defiant. (Courtesy of Boeing and Sikorsky) Correction: Boeing’s ...

WASHINGTON —The Sikorsky-Boeing SB-1 Defiant coaxial helicopter took off from a West Palm Beach, Florida, facility in the early morning on March 21 for its first flight. The flight has been a ...