bn:00434516n
Noun Named Entity
Categories: United States military helicopters, Compound helicopters, United States experimental aircraft 2000–2009, Twin-turbine helicopters, Ducted fan-powered aircraft
EN
Piasecki X-49 SpeedHawk  X-49  Piasecki X-49a  Piasecki X-49  Sikorsky/Piasecki X-49
EN
The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft. Wikipedia
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EN
The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft. Wikipedia