The Type would become the first tandem helicopter to be produced in the USA.
The Type would become the first tandem helicopter to be produced in the USA.
March 7, 1945
PV-3/XHRP-X Dogship:
First flight of the P-V Engineering Forum XHRP-X (first prototype of the Piasecki HRP-1 Type series)
August 15, 1947
HRP-1 Rescuer:
First flight of the Piasecki HRP-1
November 3, 1947
XHRP-1 :
First flight of the P-V Engineering Forum XHRP-1
December 31, 1948
HRP-1 Rescuer:
First recorded Search and Rescue (SAR) mission (Piasecki HRP-1 Rescuer)