Russian submarine Kostroma (B-276)

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History
Soviet Union, Russia
Name: K-276 Crab
Builder: Gorky, later towed to Severodvinsk for completion
Launched: July 1986
Commissioned: September 1987
Renamed: B-276 Kostroma
Status: Active
General characteristics
Class and type: Sierra-class submarine
Displacement:
  • 7,600 tons (surfaced)
  • 9,100 tons (submerged)
Length: 107 m (351 ft)
Beam: 14.2 m (47 ft)
Propulsion:
  • 1 × PWR, 190 MW
  • 2 × 1002 hp emergency motors
  • 1 shaft, 2 spinners
Speed:
  • 10 knots (18.5 km/h; 11.5 mph) (surfaced)
  • 32 knots (59.3 km/h; 36.8 mph) (submerged)
Range: Unlimited, except by food supplies
Complement: 61
Armament:
  • 4 × 650 mm (26 in) torpedo tubes
  • 4 × 530 mm (21 in) torpedo tubes
  • SS-N-21 Sampson SLCM with 200 kt nuclear warhead
  • SS-N-15 Starfish anti submarine weapon: 200 kt depth charge or 90 kg HE Type 40 torpedo
  • SS-N-16 Stallion, 200 kt depth charge or 90 kg HE Type 40 torpedo
  • Minelaying configuration: 42 mines instead of torpedoes

B-276 Kostroma is a Russian Sierra-class submarine. She was launched in 1986, commissioned in 1987, and named K-276 Crab until 1992. Kostroma was built at Gorky and later towed to Severodvinsk for completion. She is part of the Russian Northern Fleet.

On 11 February 1992, Kostroma - then still named K-276 Crab - collided with USS Baton Rouge (some sources state it was K-239 Carp that collided with Baton Rouge). Baton Rouge was damaged (as was Crab) and was eventually deactivated in 1993. The crew of K-276 Crab painted the number "1" bordered by a star on the sail, as did Soviet submarines during World War II to indicate the number of their victories.

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