Ka-25 Hormone vs SH-3 Sea King
| Soviet anti-submarine helicopter, recognized for Cold War naval usage, efficient in search and rescue, transportation, and assault operations. | |
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| Origin country | 🇨🇳 Ex-USSR |
| Category | Military Helicopters |
| Manufacturer | Kamov |
| First flight | 26 April 1961 |
| Year introduced | 1968 |
| Number produced | 460 units |
| Average unit price | $6 million |
| American amphibious helicopter, enlisted for anti-submarine warfare during the Cold War, renowned for Apollo space missions recovery. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Sikorsky |
| First flight | 11 March 1959 |
| Year introduced | 1961 |
| Number produced | 1300 units |
| Average unit price | $25 million |
| Wingspan | 15.7 m â—‰ |
| Height | 5.4 m â—‰ |
| Length | 9.8 m â—‰ |
| Maximum speed | 220 km/h â—‰ |
| Operational range | 450 km â—‰ |
| Service ceiling | -- m |
| Max. takeoff weight | 7,500 kg â—‰ |
| Empty weight | 4,765 kg â—‰ |
| Total thrust | 2 x 1,454 kW â—‰ |
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| Wingspan | 19.0 m â—‰ |
| Height | 5.1 m â—‰ |
| Length | 16.7 m â—‰ |
| Maximum speed | 267 km/h â—‰ |
| Operational range | 965 km â—‰ |
| Service ceiling | 4,481 m |
| Max. takeoff weight | 10,002 kg â—‰ |
| Empty weight | 5,382 kg â—‰ |
| Total thrust | 2 x 1,044 kW â—‰ |
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