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Futuristic 'Defiant X' in Running to Become Army's Future Long-Range Assault Helicopter Sikorsky and Boeing released details of the DEFIANT X helicopter designed for the U.S. Army. (Courtesy Sikorsky and Boeing) 25 Jan 2021 Sikorsky and Boeing Co. have unveiled the futuristic helicopter they're proposing to be the U.S. Army's Future Long Range Assault Aircraft. In a series of mockup photos and videos, Sikorsky and Boeing officials on Monday revealed Defiant X: a compound coaxial helicopter, like its predecessor the SB>1 Defiant, but with significant upgrades for troops headed into combat zone...

Sikorsky and Boeing Unveil New Helicopter that Could Replace US Army Black Hawk The coaxial helicopter is based on the companies’ Defiant prototype. Lockheed Martin’s Sikorsky and Boeing have unveiled a new compound coaxial helicopter that they hope will one day replace the U.S. Army’s venerable Black Hawk helicopter. The companies billed their Defiant-X as the “fastest, most maneuverable and most survivable assault helicopter in history.” The design is based on the SB>1 tech demonstrator aircraft jointly built by the two companies in recent years. “We've made some enhance...

Sikorsky-Boeing unveils Defiant X offering for US Army's FLRAA 26 January 2021 by Pat Host Sikorsky-Boeing unveiled its Defiant X rigid co-axial rotorcraft offering for the US Army’s Future Long-Range Assault Aircraft (FLRAA) effort that features a few design changes from the SB>1 Defiant technology demonstrator on 25 January. The Defiant X is Sikorsky-Boeing’s complete weapon system configuration for the FLRAA competition. It builds on handling qualities and capabilities developed by the SB>1 Defiant, which was built for the US Army’s Joint Multi-Role Technology Demonstrator (JMR-TD) p...

By   Sydney J. Freedberg Jr. on January 25, 2021 at 6:31 AM Sikorsky-Boeing Defiant-X WASHINGTON: Sikorsky and Boeing did “hundreds of trade studies” and consulted extensively with the Army to refine their SB>1 Defiant compound helicopter into the new Defiant-X, officially unveiled today. What’s the difference? The companies were cagey about details, and they said they may make further tweaks. But between their guarded statements and the keen eyes of fellow reporters on the conference call, we can highlight a few visible changes in the images released today: Defiant-X has beefed up l...

Source: Sikorsky Source: Sikorsky Source: Sikorsky Source: Sikorsky Most noticeably, the helicopter’s exhaust outlets have been covered with a shroud to reduce its infrared signature, a precaution against heat-seeking missiles. The rotorcraft’s landing gear configuration was changed from two mid-section wheels and a tail wheel to a layout that includes a nose wheel, two mid-section wheels and a small wheel under the tail. “We’ve made some changes to the landing gear for a tricycle design landing gear, which improves both stability, but then landing and taxiing in combat and austere en...