Soviet submarine K-431
| History | |
|---|---|
| Soviet Union | |
| Name | K-431 |
| Builder | Leninskiy Komsomol Shipyard, Komsomolsk-on-Amur |
| Laid down | 11 January 1964 |
| Launched | 8 September 1964 |
| Commissioned | 30 September 1965 |
| Decommissioned | 16 September 1987 |
| Fate | Scrapped |
| General characteristics | |
| Class & type | Echo-class submarine |
| Displacement |
|
| Length | 115.4 m (378 ft 7 in) |
| Beam | 9.3 m (30 ft 6 in) |
| Draught | 7.4 m (24 ft 3 in) |
| Propulsion | 2 × pressurized water-cooled reactors 70,000 hp (52 MW) each, 2 steam turbines, 2 shafts |
| Speed |
|
| Range | 18,000–30,000 nmi (33,000–56,000 km; 21,000–35,000 mi) |
| Endurance | 50 days |
| Test depth | 300 m (984 ft) |
| Complement | 104-109 men (including 29 officers) |
| Armament |
|
K-431 (Russian: К-431; originally the K-31) was a Soviet nuclear-powered submarine that had a reactor accident on 10 August 1985. It was commissioned on 30 September 1965. The 1985 explosion occurred during refueling of the submarine at Chazhma Bay, Dunay, Vladivostok. There were ten fatalities and 49 other people suffered radiation injuries. Time magazine has identified the accident as one of the world's "worst nuclear disasters".