China appears to be embarking upon an ambitious, long-term plan to keep pace with U.S. advances in helicopter technology by emphasizing speed; stealth; and innovative, next-generation designs. The ...

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 ...

Designed to replace the legendary Black Hawk, the SB-1 Defiant was an advanced coaxial helicopter that promised greater speed, maneuverability, and stealth. A collaboration between Sikorsky and Boeing ...

Bell Helicopter and Sikorsky/Boeing could usher in a new era for military rotorcraft in 2017 when they fly their competing V-280 Valor and SB-1 Defiant technology demonstrators. In the final days of ...

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