According to information published by Tass on September 8, 2022, the Ufa and the Kronshtadt latest diesel-electric submarines train to submerge in the Baltic Sea in the framework of running trials, the Baltic fleet said.
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Launching ceremony of the Russian Project 636.3 submarine Ufa (Picture source: BMPD)
“Warships and SS-750 rescue vessel of the Baltic fleet ensure the submergence of the submarines to a depth of a hundred meters,” it said. The submariners test all mechanisms and train algorithms of submerged U-boat control and surfacing.
The Ufa of project 636.3 can submerge to 300 meters, develops a surface speed of 20 knots, and has a cruising capacity of 45 days. The displacement is 4 thousand tons and the crew comprises 52 men. The submarine is armed with Kalibr-PL missiles.
The Kronshtadt belongs to the fourth-generation Lada-class project 677. 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. She 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.
