TASS Russian news agency
“By 2024, a series of six Project 636.3 diesel-electric submarines will be fully built and made operational with the Pacific Fleet. The series is currently being built by the Admiralty Shipyard integrated into the United Shipbuilding Corporation. The construction of each of the submarines is ahead of schedule,”
Russian Navy Commander-in-Chief Admiral Nikolai Yevmenov
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 sub 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 is 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.