XHJP-1 Retriever
1948 prototype helicopter model by Piasecki Helicopter Corporation
XHJP-1 Retriever
is …
instance of (P31)
:
prototype aircraft model
Q15126161
sublass of (P279)
:
HUP Retriever
Q3382217
prototype aircraft
Q76379517
P176
manufacturer
Piasecki Helicopter Corporation
Q548341
P798
military designation
XHJP-1
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