Sierra-class
Summary
| Origin country | 🇨🇳 Ex-USSR |
| Category | Submarine |
| Subtype | Nuclear attack submarine |
| Manufacturer | Krasnoye Sormovo, designed by Lazurit |
| Year commissioned | 1984 |
| Units | KOSTROMA |
| Current operators | 🇷🇺 Russia |
Technical specifications
| Sierra | |
|---|---|
| Displacement | 6800 tons |
| Displacement submerged | 7900 tons |
| Range | Unlimited, except by food supplies |
| Crew | 72 members |
| Width | 12.28 m (40.3 ft) |
| Length | 107.16 m (351.6 ft) |
| Max. depth | 600 m (1968.5 ft) |
| Propulsion | 2 reactors with a power of 50,000 hp - 1 propeller |
| Armament | 4 650mm TLTs / 4 533mm TLTs (40 torpedoes / missiles) |
| Maximum speed | 10 knots |
| Max. speed submerged | 35 knots |
Photo of Sierra class
Silhouette
