Lockheed Martin’s Sikorsky subsidiary has registered the proposed SB-1 Defiant coaxial helicopter as S-100 with the Federal Aviation Administration, Vertical reported Wednesday. Sikorsky and Boeing have teamed up to develop and propose SB-1 Defiant for the U.S. Army’s Joint Multi-Role Technology Demonstrator program that would serve as a forerunner for the service’s Future Vertical Lift initiative. […]
↧