USMC version of the HO4S-1 with P&W R-1340-57 Wasp engine for eight troops, 60 built, plus one static airframe used for testing.

List of Operators of Sikorsky HRS-1 | |
From | Organisation with model HRS-1 | ||
1951 |
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1953 |
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1954 |
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1957 |
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Construction Numbers on database of HRS-1 | ||||||
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Construction Numbers | Help Us | |
C/N | Year | History | ||
Filter | ||||
55-017 | 1951 | ![]() | ||
55-018 ![]() | 1951 | ![]() | ||
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55-082 | 1952 | ![]() |