It has an endurance of 45 days with a crew of 35 people. 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). The submarine is powered by an electric propulsion motor driving one shaft. 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. It destroys warships and submarines, defends naval bases, the seacoast and marine communications. The Kronshtadt of Lada-class (Project 677) belongs to the fourth generation of non-nuclear submarines. The submarine crew consists of 52 persons. Underwater, the submarine is capable of speeds up to 18 knots, which is 33.3 kilometers per hour. Navigational autonomy is 45 days and the maximum diving depth is 300 meters. It is equipped with a modern navigation system and automated information and control system, and high-speed torpedo-missile armament. The two-hulled submarine has a high reserve of buoyancy and unsinkability. The submarines of Project 636.3 have higher combat effectiveness as compared to the previous projects. It was designed by specialists of the Rubin Central Design Bureau of Marine Engineering. Project 636 Ufa belongs to the third generation of diesel-electric submarines. Project 677 (Lada class) submarine Kronshtadt (Picture source: Regnum) Follow Navy Recognition on Google News at this link 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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