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Russian Baltic Fleet assists trials of two submarines Ufa and Kronshtadt.


| 2022

According to information published by Tass on September 2, 2022, naval aviation, warships, and rescue forces of the Baltic fleet assist running trials of the Ufa and Kronshtadt diesel-electric submarines in the Baltic Sea. They also check electric motion system, sonars, and technical devices.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Project 677 (Lada class) submarine Kronshtadt (Picture source: Regnum)


Project 636 Ufa belongs to the third generation of diesel-electric submarines. It was designed by specialists of the Rubin Central Design Bureau of Marine Engineering.

The submarines of Project 636.3 have higher combat effectiveness as compared to the previous projects. The two-hulled submarine has a high reserve of buoyancy and unsinkability. It is equipped with a modern navigation system and automated information and control system, and high-speed torpedo-missile armament.

Navigational autonomy is 45 days and the maximum diving depth is 300 meters. Underwater, the submarine is capable of speeds up to 18 knots, which is 33.3 kilometers per hour. The submarine crew consists of 52 persons.

The Kronshtadt of Lada-class (Project 677) belongs to the fourth generation of non-nuclear submarines. It destroys warships and submarines, defends naval bases, the seacoast and marine communications.

The submarine has a length of 72 m, a beam of 7.1 m, a draught of 6.5 m, and a maximum displacement of 2,700 tons. The submarine is powered by an electric propulsion motor driving one shaft.

It can reach a maximum submerged speed of 21 knots (29 km/h) with a maximum cruising range of 7,500 nautical miles (13,800 km). It has an endurance of 45 days with a crew of 35 people.

The submarine Kronshtadt is equipped with six 533 mm (21 inches) torpedo tubes and carries 18 torpedoes or SSMs (Surface-to-Surface Missiles) or 44 mines.

It also has 10 Kalibr / Club land-attack cruise missiles, anti-ship missiles, and anti-submarine missiles (some versions) RPK-6/SS-N-16 Vodopad/Stallion.


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