According to information published by Tass on October 21, 2021, the first serial diesel-electric attack submarine Project 677 Lada, developed by the Admiralty Shipyard, is likely to be handed over to the Russian Navy in 2022, a source told.
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Project 677 Lada submarine Kronstadt (Picture source: Twitter account of Nordtech)
Lada class, Russian designation Project 677 Lada 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 a 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.
They have a surface displacement of about 1,750 tonnes and can develop an underwater speed of up to 21 knots. The Lada-class subs are armed, in particular, with Kalibr cruise missile systems and have a crew of 35.
B-585 Sankt Peterburg is the lead boat of the Lada-class submarines of the Russian Navy. Construction of the boat started in December 1997, and it was launched in October 2004. After undergoing a series of sea trials, Sankt Peterburg was commissioned in May 2010.
However, the Russian Navy decided not to accept the St. Petersburg class after it was discovered that the boat's propulsion and sonar systems were inadequate. After design corrections, the submarine was accepted. In 2014, Sankt Peterburg joined the Northern Fleet.
