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During the night of 26 January 1961, S-80 was operating in the Barents Sea at snorkel depth on its diesel engines. The ocean was at sea state 6 and air temperature was −5 °C (23 °F). At 01:27 on 27 January, the boat dropped below snorkel depth, which should have caused the automatic snorkel valve to shut, preventing water from entering the snorkel system. However, the de-icing system that should have warmed the valve with hot water from the diesel engines had been switched off, and the valve had become jammed with ice.
The diesel engines failed immediately as seawater flooded their air intakes. The machinist in the fifth compartment who discovered the flooding became confused by the complex array of valves, and did not shut the ventilation flapper valve quickly enough. By the time he located the correct handwheel, the valve spindle had been bent by the force of the flooding water. As the compartment filled, the boat's trim became uncontrollable.
As its up-angle passed 45 degrees, the boat slowed, coming to a halt and then falling backward, gathering sternway and sinking until it grounded. The second, third, and fourth compartments were crushed, though 24 crewmen survived in the after compartments. Their attempts to escape the wrecked submarine using IDA-51 apparatuses failed, and all 68 officers and men of S-80 were lost. Their fate remained unknown for seven and a half years.
Recovery
Special purpose vessel Karpaty scrapped by Demag floating crane PK-51100 in Kronstadt in 2010
On 23 June 1968, salvage vessel Altay discovered the wreck of a submarine at 70°01′23″N 36°35′22″E, at a depth of 196 m (643 ft). The crew inspected the wreck with its bathyscape and identified it as S-80.
A government commission studied the report and ordered Operation "Depth," the salvage of the wreck. The Nikolayevsk Shipyard built Karpaty, a special salvage vessel equipped to raise the sunken submarine.
Operation "Depth" was carried out by a task force of the Northern Fleet consisting of groups of trawlers and a destroyer under the command of Captain First Rank S. Minchenko. The wreck was lifted from the ocean floor on 9 June 1969 and transported to Mys Teriberskiy, suspended under Karpaty in slings. There, it was lowered to the bottom of Zavalishin Harbor at a depth of 51 m (167 ft) on 12 July.
On 24 July 1969, S-80 was raised to the surface. During August, a government commission began studying the wreck under the management of Hero of the Soviet Union Vice Admiral Grigory Shchedrin. The commission determined not only the immediate causes of the boat's loss, but also that two further errors had compounded the accident: the crew never attempted to shift propulsion to the electric motors, and they never performed an emergency ballast tank blow.
Friedman, Norman (1995). "Soviet Union 1947–1991: Russian Federation and Successor States 1991–". In Chumbley, Stephen (ed.). Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland: Naval Institute Press. pp. 337–426. ISBN1-55750-132-7.
Hampshire, Edward (2018). Soviet Cruise Missile Submarines of the Cold War. London: Osprey Publishing. ISBN978-1-47282-499-8.
Pavlov, A. S. (1997). Warships of the USSR and Russia 1945–1995. Annapolis, Maryland: Naval Institute Press. ISBN1-55750-671-X.
Polmar, Norman & Moore, Kenneth J. (2004). Cold War Submarines: The Design and Construction of U.S. and Soviet Submarines. Washington, D. C.: Potomac Books. ISBN978-1-57488-594-1.
Polmar, Norman & Noot, Jurrien (1991). Submarines of the Russian and Soviet Navies, 1718–1990. Annapolis, Maryland: Naval Institute Press. ISBN0-87021-570-1.
Vilches Alarcón, Alejandro A. (2022). From Juliettes to Yasens: Development and Operational History of Soviet Cruise-Missile Submarines. Europe @ War (22). Warwick, UK: Helion & Co. ISBN978-1-915070-68-5.
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This article relies largely or entirely on a single source Relevant discussion may be found on the talk page Please help improve this article by introducing citations to additional sources Find sources Soviet submarine S 80 news newspapers books scholar JSTOR January 2011 S 80 was a diesel electric submarine of the Soviet Navy Whiskey Twin Cylinder submarineHistorySoviet UnionNameS 80BuilderSormovo yard Gorkiy 1 Laid down13 March 1950 1 Launched21 October 1950 1 Commissioned2 December 1952 1 FateSunk by accidental flooding 27 January 1961 with loss of all 68 crewmen 1 General characteristicsClass and typeWhiskey class attack submarineDisplacementSurfaced 1 050 tonnes 1 030 long tons Submerged 1 340 tonnes 1 320 long tons Length76 m 249 ft 4 in Beam6 3 m 20 ft 8 in to 6 5 m 21 ft 4 in Draft4 55 m 14 ft 11 in PropulsionTwo shaft diesel electric 2 4 000 bhp 3 000 kW diesel engines 2 2 700 hp 2 000 kW main electric motors 2 100 hp 75 kW electric creep motors for silent runningSpeedSurfaced 18 25 knots 33 80 km h Submerged 13 1 knots 24 3 km h RangeSurfaced 8 580 nmi 15 890 km at 10 knots 19 km h 12 mph Submerged 335 nmi 620 km at 3 knots 5 6 km h 3 5 mph EnduranceSubmerged 166 hComplement52Armament6 533 mm 21 in torpedo tubes 4 bow 2 stern for 12 torpedoes or 22 mines 1 single mounted 25 mm 1 0 in AA gun 2 single mounted 57 mm 2 2 in AA gunIts keel was laid down on 13 March 1950 at Krasnoye Sormovo as a Project 613 unit NATO Whiskey class It was launched on 21 October and delivered to Baku on the Caspian Sea on 1 November for tests then transferred north via inland waterways in December It was commissioned into the Northern Fleet on 2 December 1952 and operated there until mid 1957 Beginning in July 1957 S 80 was overhauled at Severodvinsk and converted to Project 644 Whiskey Twin Cylinder guided missile submarine by having launch tubes for two SS N 3 Shaddock anti ship missiles fitted externally It returned to sea in April 1959 Contents 1 Sinking 2 Recovery 3 References 4 Bibliography 5 External linksSinking EditDuring the night of 26 January 1961 S 80 was operating in the Barents Sea at snorkel depth on its diesel engines The ocean was at sea state 6 and air temperature was 5 C 23 F At 01 27 on 27 January the boat dropped below snorkel depth which should have caused the automatic snorkel valve to shut preventing water from entering the snorkel system However the de icing system that should have warmed the valve with hot water from the diesel engines had been switched off and the valve had become jammed with ice The diesel engines failed immediately as seawater flooded their air intakes The machinist in the fifth compartment who discovered the flooding became confused by the complex array of valves and did not shut the ventilation flapper valve quickly enough By the time he located the correct handwheel the valve spindle had been bent by the force of the flooding water As the compartment filled the boat s trim became uncontrollable As its up angle passed 45 degrees the boat slowed coming to a halt and then falling backward gathering sternway and sinking until it grounded The second third and fourth compartments were crushed though 24 crewmen survived in the after compartments Their attempts to escape the wrecked submarine using IDA 51 apparatuses failed and all 68 officers and men of S 80 were lost Their fate remained unknown for seven and a half years Recovery Edit Special purpose vessel Karpaty scrapped by Demag floating crane PK 51100 in Kronstadt in 2010 On 23 June 1968 salvage vessel Altay discovered the wreck of a submarine at 70 01 23 N 36 35 22 E at a depth of 196 m 643 ft The crew inspected the wreck with its bathyscape and identified it as S 80 A government commission studied the report and ordered Operation Depth the salvage of the wreck The Nikolayevsk Shipyard built Karpaty a special salvage vessel equipped to raise the sunken submarine Operation Depth was carried out by a task force of the Northern Fleet consisting of groups of trawlers and a destroyer under the command of Captain First Rank S Minchenko The wreck was lifted from the ocean floor on 9 June 1969 and transported to Mys Teriberskiy suspended under Karpaty in slings There it was lowered to the bottom of Zavalishin Harbor at a depth of 51 m 167 ft on 12 July On 24 July 1969 S 80 was raised to the surface During August a government commission began studying the wreck under the management of Hero of the Soviet Union Vice Admiral Grigory Shchedrin The commission determined not only the immediate causes of the boat s loss but also that two further errors had compounded the accident the crew never attempted to shift propulsion to the electric motors and they never performed an emergency ballast tank blow References Edit a b c d e Friedman pp 396 397Bibliography EditFriedman Norman 1995 Soviet Union 1947 1991 Russian Federation and Successor States 1991 In Chumbley Stephen ed Conway s All the World s Fighting Ships 1947 1995 Annapolis Maryland Naval Institute Press pp 337 426 ISBN 1 55750 132 7 Hampshire Edward 2018 Soviet Cruise Missile Submarines of the Cold War London Osprey Publishing ISBN 978 1 47282 499 8 Pavlov A S 1997 Warships of the USSR and Russia 1945 1995 Annapolis Maryland Naval Institute Press ISBN 1 55750 671 X Polmar Norman amp Moore Kenneth J 2004 Cold War Submarines The Design and Construction of U S and Soviet Submarines Washington D C Potomac Books ISBN 978 1 57488 594 1 Polmar Norman amp Noot Jurrien 1991 Submarines of the Russian and Soviet Navies 1718 1990 Annapolis Maryland Naval Institute Press ISBN 0 87021 570 1 Vilches Alarcon Alejandro A 2022 From Juliettes to Yasens Development and Operational History of Soviet Cruise Missile Submarines Europe War 22 Warwick UK Helion amp Co ISBN 978 1 915070 68 5 External links EditKniga pamyati C 80 in Russian Coordinates 70 01 23 N 36 35 22 E 70 02306 N 36 58944 E 70 02306 36 58944 Retrieved from https en wikipedia org w index php title Soviet submarine S 80 amp oldid 1137320775, wikipedia, wiki, book, books, library,
