USAF version of the YH-19 powered by a 600hp P&W R-1340-57 Wasp engine. Some converted to SH-19A SAR helicopter. Redesignated HH/UH-19A in 1962, 51 built. Many supplied to other countries under Military Assistance Program (MAP). 
List of Operators of H-19A Chickasaw |
| Years | Model | Org | |
|---|---|---|---|
| 1951/67 | S-55 H-19 |  US Air Force | |
| 1951/57 | S-55 H-19 | US Navy | |
| 1954/71 | S-55 H-19 |  Fuerza Aerea Argentina | |
| 1954/60 | S-55 H-19 |  Força Aérea Portuguesa | |
| 1954/81 | S-55 H-19 |  Ejercito del Aire | |
| 1954/?? | S-55 H-19 |  Royal Thai Air Force | |
| 1958/?? | S-55 H-19 |  Aeronautica Militare Italiana |
Global Distribution of H-19A Chickasaw |
|
Construction Numbers |
Displaying only Air America - Display All
| C/N | Year | History | |
|---|---|---|---|
| 55-076 | 1952 | 51-3849,H-9 | |
| 55-091 w/o 1960 | 1952 | 51-3853,H-3 | |
| 55-127 | 1952 | 51-3871,H-1 | |
| 55-141 | 1952 | 51-3878,H-8 |
