Navalized SAR version of the H-19B powered by a 700hp Wright R-1300-3 Cyclone engine. Redesignated UH-19G in 1962, 10 built: 7 for USCG & 3 for RCN. 
List of Operators of HO4S-2 |
| Years | Model | Org | |
|---|---|---|---|
| 1951/66 | S-55 H-19 |  US Coast Guard | |
| 1952/68 | S-55 H-19 |  Royal Canadian Navy (1945-1968) |
Global Distribution of HO4S-2 |
|
Construction Numbers |
| C/N | Year | History | |
|---|---|---|---|
| 55-086 | 1951 | 1252 | |
| 55-087 | 1951 | 1253,N17376 | |
| 55-088 | 1951 | 1254,N2842J | |
| 55-096 | 1951 | 1255,N62255 | |
| 55-097 | 1951 | 1256,N1562 | |
| 55-098 w/o 1956 | 1951 | 1257 | |
| 55-099 | 1952 | 1258,N17377 | |
| 55-144 w/o 1957 | 1952 | 55144 | |
| 55-305 | 1952 | 55305,N65375 | |
| 55-320 w/o 1961 | 1952 | 55320 |
