PiAC s SpeedHawk Vectored Thrust Ducted Propeller (VTDP) Compound Helicopter program is an Army Advanced Technology Demonstration (ATD) program to flight demonstrate potential improvements in speed, ...

Piasecki is preparing to modify the X-49A SpeedHawk for high-speed flight-testing under a second program phase, and the firm indicates that Capitol Hill and the Pentagon are signaling their support to ...

Half-breed: Piasecki Aircraft has taken a Sikorsky helicopter and bolted on airplane hardware — a propeller (ducted) and a fixed wing — hoping the resulting X-49A SpeedHawk (top) will bust through the ...

Piasecki Aircraft has flown the X-49A experimental compound helicopter for the first time. The modified Sikorsky YSH-60F, with wings and tail-mounted vectored-thrust ducted propeller (VTDP), made the ...

Trials to start using Piasecki-modified Sikorsky H-60 helicopter planned to achieve speeds of up to 200kt. Piasecki Aircraft is preparing its X-49 experimental compound helicopter for a first flight ...

GO FASTER: Piasecki Aircraft is to receive $8.9 million in congressionally directed funding to complete modification and conduct high-speed flight testing of its X-49A SpeedHawk compound helicopter.