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Project 20385 Gremyaschy class corvette

Project 20385 (20380M) has been developed by the Central Marine Design Bureau "Almaz" on the basis of already being mass-produced in the fleet ships of "Guarding" 20380 with the current requirements and operating experience. From predecessors, the new ship differs increased to 2,200 tons displacement and size. Its length will be 105 meters, width - 13 m, draft - about 8 meters.

After putting into operation 5 ships of the project 20380, it was decided to change the composition of weapons. In the new design, the ships of the project, like their predecessors, were also considered ships of the 2nd rank, designed for action in the near sea zone. New ships were supposed to replenish the composition of the Pacific Fleet, in which at that time there was only a corvette "Perfect" - the ship of the basic project 20380.

The Steregushchy and Gremyashchy class corvettes can be used against enemy surface ships, submarines and aircraft, and provide naval gunfire support for shore operations. The Gremyaschy class corvette has a displacement of 2,200 metric tons, maximum speed of 27 knots, operating range of 4,000 nautical miles and a crew of 100.

The ship's armament initially included Uran-E 3M24 (SS-N-25 Switchblade) anti-ship cruise missiles, a 100-mm gun, a variety of air defense and anti-submarine systems and a Ka-27 Helix anti-submarine helicopter. Advanced stealth technology is used to reduce the ship's radar signature, as well as its acoustic, infrared, magnetic and visual signatures, according to the shipbuilder.

Combat power of the modernized craft greatly enhanced by introducing into the arms of a new universal missile complex "Caliber-NK" (instead of anti-ship complex "Uran") with a uniform 8-cell launcher for several types of missiles - anti-shooting and coastal targets. Anti-aircraft weaponry corvette enhanced anti-aircraft missile system, "Red", 9M100 and 9M96 missiles (supplied from 16 to 64 missiles). Artillery weapons - a 100-mm artillery mount A190-01, two 30-mm AK-630M, anti-submarine - a set of "Package". On the ship is provided basing anti-Ka-27PL.

An important feature of the new ship - the presence of so-called "optronic mast", which includes radar systems and systems for various applications, greatly increasing the possibility of corvettes for the detection and tracking of air and sea targets of the enemy, their defeat. In particular, the mast is allowed to refuse a single antenna station fire-control radar "Puma". Significantly improved main power plant, diesel DDA12000 diesel unit was to be replaced by the MTU installation.

The Project 20385 class is a derivative of the Steregushchy class (Project 20380) corvette, featuring better electronics, air defenses and extended operational range, the shipbuilder says. The Steregushchy and Gremyashchy class corvettes can be used against enemy surface ships, submarines and aircraft, and provide naval gunfire support for shore operations.

The Gremyaschy class corvette has a displacement of 2,200 metric tons, maximum speed of 27 knots, operating range of 4,000 nautical miles and a crew of 100. The ship's armament includes Uran-E 3M24 (SS-N-25 Switchblade) anti-ship cruise missiles, a 100-mm gun, a variety of air defense and anti-submarine systems and a Ka-27 Helix ani-submarine helicopter.

Advanced stealth technology is used to reduce the ship's radar signature, as well as its acoustic, infrared, magnetic and visual signatures, Severnaya Verf claims. Composite materials developed and created by Russian specialists of Prometheus Federal State Unitary Enterprise were used to construct the hull and main superstructures on the Gremyashchy, the lead ship of the project 20385. The technology has confidently been tested during the construction of ships of the base project 20380. Superstructure Corvette is made of composite material, which is a non-combustible multilayer plastic. The basis of the material is carbon fiber with high strength characteristics. The innovation of the solution lies in the fact that a ship of this size, made using fiberglass, is 2-3 times lighter than a similar structure made of steel. Another strong argument in favor of this technical solution is the low radar visibility of the superstructure.

In the improved version of the corvette, the designers paid more attention to improving the seaworthy qualities of the combat ship. The new corvette has a better roll resistance and is able to successfully perform combat missions in waves of up to 5 points. The hull of the ship and the island of the superstructure have a reduced by 3 times the rate of circular dispersion of the radar background, which in turn significantly increases the survivability of the ship in combat conditions.



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