The Black Sea Fleet’s Project 636.3 diesel-electric submarine Rostov-on-Don will soon rejoin the Russian Navy’s permanent Mediterranean task force, a source in the defense industry told TASS on Wednesday.

“The submarine has been prepared for its long-distance deployment to the Mediterranean Sea. It will begin in coming days,” the source said.

The source did not specify whether the submarine Rostov-on-Don would replace the same-type sub Krasnodar currently on its deployment in the Russian Navy’s Mediterranean Squadron or would join the task force.

Normally, two of the Black Sea Fleet’s six Project 636.3 submarines are deployed in the Mediterranean Squadron. Their deployment lasts an average of 18 months, while the crews are rotated every three months. From the previous pair, the submarine Stary Oskol left the Mediterranean Squadron for repairs at the Kronshtadt Marine Plant (part of Russia’s United Shipbuilding Corporation) while the Krasnodar is still staying in the Mediterranean Sea.

The submarine Krasnodar was earlier expected to follow the same-type sub Stay Oskol and sail to the Kronshtadt Marine Plant for repairs.

The submarines Stary Oskol and Krasnodar joined the Russian Navy’s Mediterranean task force in April 2019. They replaced the same-type submarines Veliky Novgorod and Kolpino, which had stayed in the Mediterranean after their inter-fleet transit from the Baltic Sea and then sailed to the Black Sea. Their crews were rotated every three months.

In late December 2019, the Stary Oskol arrived at the Kronshtadt Marine Plant for repairs.

The Admiralty Shipyard has built a series of six Project 636.3 diesel-electric submarines for the Black Sea Fleet. The three of them, the Veliky Novgorod, the Kolpino and the Rostov-on-Don, numerously delivered strikes with Kalibr-PL cruise missiles against terrorist targets in Syria.

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Project 636.3 submarines are referred to the third generation of diesel-electric subs. These submarines are considered among the world’s most noiseless vessels. They develop a speed of up to 20 knots, can dive to a depth of about 300 meters and their sea endurance is 45 days. The sub has a crew of 52 men and displaces about 4,000 tonnes.

Project 636 submarines are considered to be the most noiseless among Russian conventional subs. They have been dubbed the ‘Black Hole’ for their unique quietness. They are also furnished with modern radar and communications systems, sonars and 533mm torpedoes.

 

Source: TASS

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Daeshbags-Sux
Daeshbags-Sux
2020-04-23 17:40

Type 363 = old Kilo-class that is in service since 1980, also in use in China, Vietnam and Algeria. May do 17–25 knots submerged but not for long as endurance is only 400NM at 3 knots while submerged, thus it can sail for 6000NM while snorkeling at 7kts but if you are hunted, snorkel is no option…

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 17:44
Reply to  Daeshbags-Sux

Diesel-electric subs are OK for brown-sea job, that’s why the Type 363.3 is affected to the Black-Sea fleet, but such vessel are not fit for blue waters job at escorting surface vessels : unlike nuclear subs, they can only run for a short time.

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 17:51
Reply to  Daeshbags-Sux

It’s obvious that Russia is seaching clients for the latest version of the Kilo-class, and maybe to sell 2nd hand units despite there are still two new ones being built and 3 on order since the Project 677 Lada-class designed to replace the Kilo-class has already been introduced

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 17:56
Reply to  Daeshbags-Sux

Thus, as the B-585 Sankt Peterburg had serious issues (took 13 years to Commission it in 2010), there were major re-designs and the 2nd ship, the B-586 Kronshtadt, will only be commissioned in Nov.2020 and B-587 Velikiye Luki is planned for Nov.2021…

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 18:01
Reply to  Daeshbags-Sux

Since China paid $250M per ship for the older 363 version, IMHO, you can expect $400-500M for the way more advanced 363.3 class… But… You can also have Scorpène-class for about the same price… And Scorpènes are even more silent and they can shoot down aircraft or use the MdCN cruise missile which has an advantage over the Kalibr : MdCN is stealth and adds 3D terrain mapping and visual recognition of targets.

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 18:10
Reply to  Daeshbags-Sux

Scorpène won the Indian contract while both the 363.3 Kilos and the 677 Ladas were both available… India already uses 10 of the older Type 363 subs, and also has an Akula-class nuke submarine on lease since 2012.

Daeshbags-Sux
Daeshbags-Sux
2020-04-23 18:14
Reply to  Daeshbags-Sux

Note that the Borei-class is nothing else than modified unfinished Akula-class and India may lease another Akula-class. If the 363.3 was better than the Scorpène, India would had went for it.