Sikorsky-Boeing Defiant Prototype on Schedule for First Flight This Year

In Palm Beach, Florida, a team of Sikorsky and Boeing engineers is diligently progressing toward a 2018 first flight of the SB-1 Defiant next-generation rotorcraft.

“We continue to achieve milestones in support of flying Defiant in 2018,” the company said in a prepared statement emailed to R&WI. “The Sikorsky-Boeing team continues its rigorous testing program ahead of SB-1 Defiant’s flight later this year.

Sikorsky achieved first flight with the Defiant’s smaller but older relative, the S-97 Raider, in 2015. It built two Raiders before being acquired by Lockheed Martin, crashed one in 2017, grounded the program for 10 months and returned to flight in June.

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