XHJP-1 Retriever

1948 prototype helicopter model by Piasecki Helicopter Corporation

XHJP-1 Retriever is …
instance of (P31):
prototype aircraft modelQ15126161

sublass of (P279):
HUP RetrieverQ3382217
prototype aircraftQ76379517

P176manufacturerPiasecki Helicopter CorporationQ548341
P798military designationXHJP-1

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