Known as HO3S-1 in USMC service. 
Specifications | |
Derivatives & Versions | |
| Model | Year | History |
 Westland dragonfly | 1948 | In December 1946, Westland Aircraft signed an agreement to build under licence the world's first successful operational helicopter, the US Si ... |
List of Operators of Sikorsky S-51 / R-5 / H-5 | |
| From | Organisation with model S-51 / R-5 / H-5 | ||
| 1945 |
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| 1946 |
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| 1947 |
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| 1948 |
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| 1949 |
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| 1951 |
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| 1961 |
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| Construction Numbers on database of S-51 / R-5 / H-5 or its versions | ||||||
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Construction Numbers | Help Us | |
| C/N | Built as | Year | History | |
| 51-02 | 1946 |  5102, | ||
| 51-06 | 1946 | 5106 | ||
| 51-102 |  ZS-HBT,A1 | |||
| 51-109 |  9604 | |||
| 51-117 | 9605 | |||
| 51-127 |  48-0548,N9845Z | |||
 | 51-13  |  LV-YXP | ||
51-161  | 9606 | |||
| 51-164 |  | |||
| 51-166 | 9607 | |||
| 51-17 | 1947 |   G-AJHW,WB220,A80-374 | ||
| 51-171 | YV-O-MAC-2 | |||
| 51-18 | 9601 | |||
| 51-183 | 49-1999 | ||
| 51-184 | 49-2000 | |||
| 51-19 | 1947 | 9602,N5219 | ||
| 51-21 | 1947 | G-AJOO | ||
| 51-211 | 1946 | 232,N4925E | ||
| 51-26 | 1947 | G-AJOP,VW209 | ||
| 51-30 | 1947 | 9603 | ||
| 51-32 | 1947 | G-AJOR,CF-JTP | ||
| 51-33 |  8-1 | |||
| 51-34 | G-AJOV,CF-JTQ,N4917E | |||
| 51-35 | 1947 | G-AJOV,CF-JTQ,N4917E | ||
| 51-36 | 47-484,N92868 | |||
| 51-38 | LV-XXQ | |||
| 51-55 | LV-QQU | |||
| 51-56 | LV-XXS | |||
| 51-60 | LV-XXT | |||
| 51-61 | LV-XXR,LQ-XXR,PM-20 | |||
| 51-66 | LV-XXV | |||
| 51-67 | LV-XXW | |||
| 51-72 | LV-XXY | |||
| 51-73 | LV-XYD | |||
| 51-78 | LV-XYE | |||
| 51-79 | LV-XYF | |||
| 51-84 | LV-XYG | |||
| 51-85 | LV-XYH | |||
| 51-90 | LV-XYI | |||
| 51-91 | LV-XXZ |