Soviet submarine B-37

Soviet submarine B-37 (Russian: Б-37) was a Project 641 or Foxtrot-class diesel submarine of the Soviet Navy's Northern Fleet.

History
Soviet Union
Name	B-37
Laid down	18 July 1958[1]
Launched	5 November 1958[1]
Commissioned	5 November 1959[1]
Fate	Exploded and sank on 11 January 1962
General characteristics
Class & type	Foxtrot-class submarine
Displacement	1,952 long tons (1,983 t) surfaced 2,475 long tons (2,515 t) submerged
Length	89.9 m (294 ft 11 in)
Beam	7.4 m (24 ft 3 in)
Draft	5.9 m (19 ft 4 in)
Propulsion	3 × Kolomna 2D42M 2,000 hp (1,500 kW) diesel engines 3 × Electric motors, two 1,350 hp (1,010 kW) and one 2,700 hp (2,000 kW) 1 × 180 hp (130 kW) auxiliary motor 3 shafts, each with 6-bladed propellers
Speed	16 knots (30 km/h) surfaced 15 knots (28 km/h) submerged 9 knots (17 km/h) snorkeling
Range	20,000 nmi (37,000 km) at 8 kn (15 km/h) surfaced 11,000 nmi (20,000 km) snorkeling 380 nmi (700 km) at 2 kn (3.7 km/h) submerged
Endurance	3–5 days submerged
Test depth	246–296 m (807–971 ft)
Complement	12 officers, 10 warrants, 56 seamen
Armament	10 × torpedo tubes (6 bow, 4 stern) 22 torpedoes

Service history

On 11 January 1962, the submarine was tied up at the pier in Ekaterininsky Bay of Polarny naval base, with all watertight doors open, while conducting maintenance and testing of her torpedoes. A fire broke out in the torpedo compartment, probably due to hydrogen gas igniting when electrical equipment was energized. All eleven torpedoes cooked off. The submarine was instantly destroyed with all hands except the commanding officer Captain Second Rank Begeba who was on the pier at the time of explosion, and Captain Third Rank Jakubenko, who was on another part of the sub base.

S-350, a Project 633 or Romeo-class submarine tied up next to B-37, was badly damaged by the explosion as well, and several men from other ships and the shipyard were killed.

In total, 122 people were killed: 59 B-37 crewmen, 19 S-350 crewmen, and 44 others. The explosion hurled B-37's anchor nearly 2 kilometers (1.2 mi) from the dock.