USA - Naval aviation and armament
Sikorsky HO4S / HRS Chickasaw utility / transport helicopter
HO4S-1 (UH-19A) Chickasaw
| Modification | Purpose | Deliveries | Number of commissioned | Discarding | Differences from the previous modification |
| HO4S-1, 1962 - UH-19A | utility | 12/1950 - 1/1958 | 10 | 12/1960 | Pratt & Whitney R-1340-57 engine (600 hp), 2268 kg of cargo |
| HO4S-3, 1962 - UH-19C | 61 | Wright R-1300-3 engine (700 hp) | |||
| HO4S-3G, 1962 - HH-19C | rescue | 58 | rescue equipment, 8 passenger | ||
| HRS-1, 1962 - CH-19A | transport | 4/1951 - 11/1957 | 36 | 2/1969 | Pratt & Whitney R-1340-57 engine (600 hp), without rescue equipment, 8 passenger or 2268 kg of cargo |
| HRS-2, 1962 - CH-19B | 151 | minor alterations | |||
| HRS-3, 1962 - CH-19C | 84 | Wright R-1300-3 engine (700 hp), 10 passenger or 2268 kg of cargo |
| Modification |
HRS-3 (CH-19C) |
|
Rotor diameter, m |
16.15 |
|
Length, m |
12.88 |
|
Height, m |
4.06 |
|
Rotating area, m2 |
204.75 |
|
Empty mass, kg |
2381 |
|
Full flying-off mass, kg |
3583 |
| Engine | 1 Wright R-1300-3 |
| Power, h. p. | 700 |
| Maximal speed, km/h | 180 |
| Cruise speed, km/h | 148 |
| Flying range, km | 578 |
| Vertical speed, m/s | 5.2 |
| Maximal altitude, m | 3930 |
| Complement | 2 - 3 |
| Armament | 10 passenger or 2268 kg of cargo |
UH-19A Chickasaw
© Ivan Gogin, 2008