Lada-class submarine

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International Maritime Defence Show 2011 (375-27).jpg
B-585 Sankt-Peterburg
Class overview
Name: St. Petersburg class
Builders: Admiralty Shipyard, Saint Petersburg
Operators:  Russian Navy
Preceded by: Kilo class
Succeeded by: Project Kalina, Amur class
Built: 1997–present
In service: 2010–present
Planned: 12[1]
Building: 1
Completed: 2
Active: 1
General characteristics
Type: Attack submarine
  • 2,700 long tons (2,700 t) submerged
  • 1,765 long tons (1,793 t) surfaced
Length: 72 m (236 ft 3 in); 67 m (219 ft 10 in) on waterline
Beam: 7.1 m (23 ft 4 in)
Draught: 6.5 m (21 ft 4 in)
  • Electric propulsion motor on permanent magnets
  • Storage battery with increased service life
  • 2 diesel Air Independent Propulsion (AIP) systems based on oxygen-hydrogen fuel cells (perspectively)
  • 1 shaft
  • 2,700 hp (2,013 kW)
  • 21 kn (24 mph; 39 km/h) submerged
  • 10 kn (12 mph; 19 km/h) surfaced
Endurance: 45 days
Test depth: 300 m (984 ft)
Complement: 35 officers and men
Sensors and
processing systems:
Litiy CICS

Project 677 or Lada class (Russian: Лада; NATO Reporting Name: St. Petersburg class, after the name of the lead vessel, Sankt Peterburg) 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 Kilo class with much quieter, new combat systems, and possibly air-independent propulsion.


The lead ship of the class, named Sankt Peterburg, was launched in October 2004 and began sea trials in November 2005. The submarine was transferred to the Russian Navy in April 2010.[3] Another two vessels were under construction at the Admiralty Shipyard with plans to launch four to six submarines by 2015. The Russian Navy had set out a requirement for a total of eight St. Petersburg-class submarines.[4]

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.[5] 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.[6] In 2013 and 2015, two further boats were re-laid and commissioning was expected in 2017 and 2018.

The first serial diesel-electric submarine of the newest project 677 "Lada" is planned to be launched at the St. Petersburg shipyard "Admiralteiskie Verfi" in 2018.[7]

Indonesia had once indicated its interest in acquiring two St. Petersburg-class submarines, but the deal has fallen through due to financing issues.[8]

In June 2017, the Russian Navy revealed it plans to order two more Lada-class submarines.[9]


Schematic drawing of the Lada class.

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.[citation needed] 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 Kilo-class submarine, but its capabilities are greatly enhanced.[10] Top submerged speed is 21 knots (39 km/h), up from 19 knots for the Kilo class. The class is designed for an endurance of 45 days with a complement of 34.

The submarine is equipped with automated combat control system Litiy, (eng. Lithium).

A variant designated as the project 1650 Amur-class submarine is offered as an export model.


# Name Builders Laid down Launched Commissioned Fleet Status Notes
B-585 Sankt Peterburg Admiralty Shipyards 26 December 1997 28 October 2004 8 May 2010 Northern Fleet In active service[11][12] Prototype. Subsequent ships are heavily redesigned.
B-586 Kronshtadt Admiralty Shipyards 28 July 2005 20 September 2018[13] 2019[14] Baltic Fleet Launched Construction stopped due to multiple major issues with B-585 Sankt Peterburg, after a thorough redesign construction resumed on 9 July 2013.
B-587 Velikiye Luki Admiralty Shipyards 19 March 2015[15] 2019[14] Baltic Fleet Under construction Laid down as B-587 Sevastopol on 10 November 2006, re-laid in 2015 due to a redesign.

See also[edit]


  1. ^ "Для ВМФ России планируется постройка 12 подводных лодок проекта 677". 27 November 2018. Retrieved 1 December 2018.
  2. ^ "Photographic image of brochure" (JPG). Retrieved 29 November 2017.
  3. ^ Армс-Тасс. Армс-Тасс (in Russian). Archived from the original on October 3, 2011. Retrieved 2011-11-22.
  4. ^ "Russia's Lada sub trials to be completed in 2009". 6 November 2009. Retrieved 30 August 2015.
  5. ^ "ВМФ отказался от новейших подлодок проекта "Лада"". Izvestia (in Russian). 23 November 2011. Retrieved 30 August 2015.
  6. ^ "Russian Navy to standardize its warships and submarines". sputniknews. 2 November 2010. Retrieved 30 August 2015.
  7. ^ "Первую серийную "Ладу" спустят на воду в Петербурге в будущем году". Rossiyskaya Gazeta. 2017-06-09.
  8. ^ Bitzinger, Richard A. (April 2010). "A New Arms Race? Explaining Recent Southeast Asian Military Acquisitions". Contemporary Southeast Asia. Institute of Southeast Asian Studies. 32 (1): 53. JSTOR 41288803. (Subscription required (help)).
  9. ^ Russian Navy to Order Two More Project 677 Lada-class Submarines -, 29 June 2017
  10. ^
  11. ^ "'Saint Petersburg' submarine launches cruise missile in Barents Sea". Retrieved 29 November 2017.
  12. ^ "Project 677 lead submarine St. Petersburg passed all Russian Navy tests". Retrieved 29 November 2017.
  13. ^
  14. ^ a b Novichkov, Nikolai (20 January 2016). "Russia's Lada-class submarine project suffers further delays". Jane's Defence Weekly. Surrey, UK: Jane's Information Group. 53 (11). ISSN 0265-3818.
  15. ^ Источник: третью подлодку типа "Лада" перезаложат в Петербурге 19 марта. TASS (in Russian). 27 February 2015. Retrieved 30 August 2015.

External links[edit]