P. V. Engineering Forum, Inc (later Piasecki)
Model PV-3 / XHRP-X
Aircraft Registration Number
MS-364: Bernard Lindenbaum Vertical Flight Research Collection
Left side view of aircraft in flight as seen from below.
Special Collections and Archives; Wright State University Libraries
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Piasecki XHRP-X - Dogship; ms364_133_28_001; BuNo. 37968; Experimental