|Laid down:||18 July 1958|
|Launched:||5 November 1958|
|Commissioned:||5 November 1959|
|Fate:||Exploded and sank on 11 January 1962|
|Class and type:||Foxtrot-class submarine|
|Length:||89.9 m (294 ft 11 in)|
|Beam:||7.4 m (24 ft 3 in)|
|Draft:||5.9 m (19 ft 4 in)|
|Endurance:||3-5 days submerged|
|Test depth:||246–296 m (807–971 ft)|
|Complement:||12 officers, 10 warrants, 56 seamen|
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.
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.
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