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 Submarine M-262
Project A615 / Quebec class submarine
 
  
 

The Quebec 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 A615.

Quebec-class submarines were fitted with two regular diesel engines and a third, closed-cycle diesel engine, which used liquid oxygen to provide air-independent propulsion while the submarine was submerged.

The Quebec class had a streamlined conning tower with a fixed snorkel housing at the rear end. They were armed with four torpedo tubes in the bow, for which no reloads were carried, and earlier boats also had a twin 25 mm anti-aircraft gun faired into the forward end of the tower, making them some of the last submarines to be constructed with deck guns.

The Quebec-class was plagued with problems caused by liquid oxygen evaporation. Their endurance was limited to 10 days due to continuous evaporation of the oxygen and lack of a re-liquefaction system, and the propulsion system led to several serious incidents. In 1957 two submarines were lost due to accidents caused by the oxygen system. M-256 suffered a fire off Tallinn in the Baltic, which led to the loss of 35 men, while M-351 sank in the Black Sea with no casualties. Other incidents caused oxygen-fueled flames to burst out from the boats, which led to their crews to nickname them zazhigalka ("cigarette lighter").

Submarine M-262 laid down 20 March 1954 at the Shipyard No.196, Leningrad (yard No.1071), launched 12 July 1955, commissioned 31 July 1956 and was assigned to the Black Sea Fleet.

Decommissioned 31 December 1968, submarine M-262 was placed in the reserve fleet. Reactivated 15 February 1971 as training-station with rename to UTS-215.

Decommissioned for the last time and excluded from the lists of the Black Sea Fleet 20 April 1980 and scrapped.

Specifications
Displacement (tons):
Surfaced:406
Submerged:499
Dimensions (m):
Length:56,76
Beam:4,46
Draught:3,59
Speed (knots):
Surfaced:16,1
Submerged: 15
Range:
Surfaced:3150 nmi (8,3 knots)
Under snorkel:2500 nmi (8 knots)
Submerged:410 nmi (3,5 knots), 56 nmi (15 knots)
Diving depth (m):
Operational:100
Maximum:120
Endurance (days):10
Propulsion:1x900 hp 32D diesel, 2x700 hp M-50P diesels, 1x100 hp PG-106 electric motor, 3 fixed pitch propellers
Armament:4  533 mm bow torpedo tubes (4 K-45 torpedoes) - Tryum fire control system
Electronics: Flag surface radar, RPN-47-03 radar, Tamir-5L sonar, Mars-16KIG noise detection sonar, GS-571 Anadyr sonar
Complement:41 (10 officers)
 
       
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