Project 636.3 sub Mozhaisk and Yakutsk to join Russian Navy by 2024


According to information published by Tass on October 26, 2021, a series of six Project 636.3 diesel-electric submarines will join the Pacific Fleet by 2024, the Defense Ministry’s press office said.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001Keel laying of Project 636.3 submarines Mozhaisk and Yakutsk (Picture source: Livejournal)


The contract for the construction of the series was signed in September 2016.

The first submarine Petropavlovsk-Kamchatsky was delivered to the Navy in November 2019. The second sub Volkhov joined the Pacific Fleet on October 24, 2020.

The third submarine Magadan was made operational with the Navy on October 12. Work is currently in progress on board the fourth submarine Ufa to create its light hull, lay pipelines and electric cables, install acoustic coating.

On August 23, 2021, the Admiralty Shipyard laid the Mozhaisk and the Yakutsk diesel-electric submarines. Painting, insulation, and electric work are underway on the Mozhaisk submarine. Hydraulic tests of the bow unit are scheduled for the end of the year. The hull of the Yakutsk sub is being built.

Project 636.3 also called Varshavyanka class is an upgraded version of the Kilo-class submarines that entered into service with the Russian Navy in June 2014. The new submarine features stealth technology as well as extended cruising range and the ability to strike surface, land, and underwater targets. They are crewed by 52 submariners, have an underwater speed of 20 knots, and a cruising range of 400 miles with the ability to patrol for 45 days.

The Project 636.3 submarines can launch Kalibr / Club land-attack cruise missiles, anti-ship missiles, and anti-submarine missiles. The submarine is also armed with 533-millimeter torpedo tubes and carried a total of 18 torpedoes.