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 Submarine B-59
Project 641 / Foxtrot class submarine

The Foxtrot class was the NATO reporting name of a class of diesel-electric patrol submarines that were built in the Soviet Union. The Soviet designation of this class was Project 641. The Foxtrot-class group of submarines became the most successful of the Soviet post-World War 2 diesel-electric attack submarine offerings. The design saw construction from the period spanning 1957 to 1983 and were in service from 1958 until as recently as 2014 with foreign navies. Seventy-five total boats made up the class and these served the Soviet/Russian navies as well as the naval services of Cuba, Libya, India, Poland and Ukraine.

The boats displaced 1952 tons when surfaced and 2475 tons when submerged. Overall length was 91,3 m with a beam of 7,5 m and a draught down to 5 m. Power was served through 3 diesel units of 2,000 horsepower output and 3 Electric motors. Power was sent to 3 shafts. A single auxiliary motor was also carried. Performance included a maximum surfaced speed of 16,8 knots and a maximum submerged speed of 16 knots. Range was out to 30,000 nautical miles giving the Foxtrot-class excellent reach. It could stay submerged for up to five days. Its crew numbered seventy-seven. Armament was 10 torpedo tubes with six located at the bow and four at the stern. Twenty-two torpedo reloads were carried.

The Foxtrot-class was a regular component of all four Soviet Navy fleets and represented one of the more important boat groups of the Cold War years. Relatively fast and powerful, they showcased the Soviet commitment to an effective underwater attack force rivaled by few world powers of the period - this prior to the shift to all-nuclear-powered types. The Russian Navy retired its last Foxtrots between 1995 and 2000; units were scrapped and disposed of for museum purposes.

Submarine B-59 laid down 21 February 1960 at the Shipyard No.196, Leningrad (yard No.786), launched 06 June 1960, commissioned 10 June 1961 and was assigned to the Northern Fleet.

08 December 1989 transferred to the Black Sea Fleet.

Submarine B-59 was decommissioned and excluded from the lists of the Black Sea Fleet 19 April 1990 and scrapped.

Displacement (tons):
Dimensions (m):
Speed (knots):
Submerged: 16
Surfaced:30000 nmi (8,1 knots), 3600 nmi (15 knots)
Under snorkel:16000 nmi (7 knots)
Submerged:400 nmi (2 knots), 15,3 nmi (16 knots)
Diving depth (m):
Endurance (days):90
Propulsion:3x2000 hp 37D diesels, 1x2700 hp PG-102 electric motor, 2x1350 hp PG-101 electric motors, 1x140 hp PG-104 electric motor, 3 fixed pitch propellers
Armament:10533 mm torpedo tubes (6 bow, 4 stern, Project I641K 6533 mm bow torpedo tubes, 4400 mm stent torpedo tubes) - 22 53-39, 53-51, 53-61, 53-61K, 53-65, SAET-60, SAET-60M torpedoes or 32 PMR-1 mines Leningrad-641 fire control system
Electronics: Flag surface radar, Nakat reconnaissance radar, Khrom-K , MG-200 Arktika-M sonar, Tuloma sonar, MG-10M noise detection sonar, Svet-M sonar system
Complement:77 (12 officers)
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