Lada-class submarine

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Lada class, Russian designation Project 677 Lada (Template:Langx, meaning "Lada", NATO reporting name St. Petersburg) is the new advanced class of diesel-electric attack submarine designed by the Russian Rubin Design Bureau. A program to develop a "fourth generation" diesel-electric submarine, it aimed to produce a highly improved version of the Project 636 with better acoustic signature, new combat systems and possibly air-independent propulsion. However, in 2019, Alexander Buzakov, the head of the Admiralty Shipyard, indicated that there were no plans to equip the Lada class with an air-independent propulsion system.[1][2] In July 2022 it was reported that work on an electrochemical generator to produce hydrogen from diesel fuel and oxygen was continuing and that the Rubin Central Design Bureau signed a new contract in 2019 to continue work. This was scheduled to be completed by the mid-2020s.[3] In 2023, the decision was taken to decommission and scrap the lead ship of the class, the Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters". due to the very high costs of modernising the submarine.[4]

History

The lead boat of the class, named Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters"., was launched in October 2004 and began sea trials in November 2005. The submarine was transferred to the Russian Navy in April 2010.[5]

Another two vessels were under construction at the Admiralty ShipyardTemplate:When with plans to launch four to six submarines by 2015. In 2009, the Russian Navy had set out a requirement for a total of eight St. Petersburg-class submarines.[6]

However, in November 2011 the Russian Navy decided that this class of submarines would not be accepted into service, as the lead boat had fallen far short of requirements during tests.[7] The lead boat was retained as a test vessel to experiment with various systems. The construction of the remaining boats of the class was frozen.

On 27 July 2012, the Russian Navy commander-in-chief announced the resumption of the construction of the St. Petersburg-class submarines, having undergone extensive design changes.Script error: No such module "Unsubst". In 2013 and 2015, two further boats were re-laid and commissioning was expected in 2017 and 2018.Script error: No such module "Unsubst".

On 20 September 2018, the first serial submarine of the class, B-858 Kronshtadt, was launched at the Admiralty Shipyards in St. Petersburg.[8]

Indonesia had once indicated its interest in acquiring two St. Petersburg-class submarines, but the deal fell through before 2010 due to financing issues.[9]

In June 2017, the Russian Navy announced it planned to order two more Lada-class submarines,[10] and the build contract was signed in June 2019, during the International Military-Technical Forum «ARMY-2019».[11] One more sub was ordered in August 2020, during the International Military-Technical Forum «ARMY-2020»,[12][13] with some speculation that all six of the submarines currently on order, or alternatively up to six of the eventual total number of Lada-class boats, might eventually be deployed with the Baltic Fleet.[14]

Design

The project 677 St. Petersburg is a Russian diesel-electric submarine developed in the late 1990s. The submarine is designed for anti-submarine and anti-surface warfare, defense of naval bases, seashore and sea lanes, as well as for conducting reconnaissance.Script error: No such module "Unsubst". The class marks the first usage of a mono-hull design by the Russian navy for an attack submarine since the 1940s.

Displacement is 25% lower than that of its predecessor, the Template:Sclass2, but its capabilities are greatly enhanced.[15] Top submerged speed is Template:Convert, up from Template:Converts for the Kilo class. The class is designed for an endurance of 45 days with a complement of 35.

The submarine is equipped with automated combat control system Litiy (meaning "Lithium").

A variant designated as the project 1650 Template:Sclass2 is offered as an export model.

Units

# Name Builders Laid down Launched Commissioned Decommissioned Fleet Status Notes
B-585 Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters". Admiralty Shipyards 26 December 1997 28 October 2004 8 May 2010 5 February 2024[16] NorthernTemplate:Refn Decommissioned, to be scrapped[17][18][4] Prototype. Subsequent boats are heavily redesigned.
B-586 Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters". Admiralty Shipyards 28 July 2005 20 September 2018[8] 31 January 2024[19][20][21][22][23] NorthernTemplate:Refn[24][25] Active[26][27][28] Construction stopped due to multiple issues with B-585 Sankt Peterburg, resumed on 9 July 2013.
B-587 Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters". Admiralty Shipyards 19 March 2015[29] 23 December 2022[30] 2024[23] Northern[23] In sea trials[31][32][33] Laid down on 10 November 2006, re-laid in 2015 due to a redesign.
Vologda Admiralty Shipyards 12 June 2022[34] 2025 Northern[23] Under construction
Yaroslavl Admiralty Shipyards 12 June 2022[34] 2026[22] Northern[23] Under construction
TBA Admiralty Shipyards 2024[22] 2027[22] Northern Ordered[14]

See also

Submarines of similar comparison

Notes

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References

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External links

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Template:Lada class submarine Template:Soviet and Russian submarines after 1945

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  32. ↑ Script error: No such module "citation/CS1".
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  34. ↑ a b Script error: No such module "citation/CS1".
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