2 articles
Piasecki Aircraft
Piasecki Aircraft Corporation is an American research and development company founded in 1955 by helicopter pioneer Frank Piasecki, specializing in experimental rotorcraft and unmanned air vehicles.
Piasecki X-49 SpeedHawk
The Piasecki X-49 SpeedHawk, designated X-49A, was an American experimental high-speed compound helicopter built by Piasecki Aircraft from a Sikorsky YSH-60F Seahawk, first flown in 2007.