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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.

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 will be replaced by the installation company MTU.

The Russian Navy needed around 50 Project 20380 vessels to ensure the protection of its coastal waters, as well as its oil and gas transportation routes, especially in the Black and the Baltic seas. However, a shipbuilding industry source told Kommersant that the Project 20180 ship "does not meet modern requirements" and a new class is therefore required.

The Russian Defense Ministry was to hold a competition in September 2010 to select a new corvette for the Navy to replace the Project 20380 class, a business daily said on 23 August 2010, citing sources in the shipbuilding industry. The competition should produce a mobile, fast-moving ship with a helicopter hangar and a distinct modular layout for weapons, Kommersant said. The Project 20380 corvette is deployed to destroy enemy surface ships, submarines and aircraft, and to provide naval gunfire support for beach landings. It uses stealth technology to reduce the ship's secondary radar signature, as well as its acoustic, infrared, magnetic and visual signatures.

Five design centers were likely to take part in the competition, the paper said. Three belong to Russia's United Shipbuilding Coorperation: Zelenodolsk, Severnaya Verf and Almaz. A fourth unnamed foreign shipyard, which specializes in small civilian vessels, is a likely participant, the paper said. If the competition in September is successful, the approved project "will determine the shape of surface shipbuilding for the next 15 years", the source told Kommersant.

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.

Russia's Northern Shipyard (Severnaya Verf) had a contract with the Defense Ministry to build a total of 13 warships for the Russian Navy, the shipyards general director, Andrei Fomichev, said on 21 February 2012. These include six corvettes, six frigates and one reconnaissance ship, he said. On February 1, the St. Petersburg based shipyard started construction of two warships - the Project 20385 Gremyashchy corvette and the Project 22350 Admiral Golovko frigate. The Steregushchy and the Soobrazitelny corvettes had already been completed and transferred to the Navy.

St. Petersburg's Severnaya Verf shipyard on 26 May 2011 started construction of a new corvette for the Russian Navy. The project 20385 corvette is a larger and improved version of the Steregushchy class corvette. It uses stealth technology to reduce the ship's secondary radar field, as well as its acoustic, infrared, magnetic and visual signatures. "It is a fundamentally new ship for the Russian Navy; its performance and combat power surpass other ships of the same class," Severnaya Verf said in a statement.

On 03 February 2012 a Project 20385 Gremyashchy corvette was laid down in St. Petersburg, and was expected to join the Russian Navy in 2015. The Gremyashchy is formally the first Project 20385 ship, but it is a further development of Projects 20380 and 20381 corvettes, two of which had already joined the Baltic Fleet, with one more undergoing trials and another under construction. As of February 2012 contracts provided for the building of eight Project 20385 corvettes (the Gremyashchy will be the first).

Severnaya Verf will build at least 10 Gremyashchy class corvettes for the Russian Navy under a contract with the Defense Ministry. Russias Severnaya Verf laid down a new Gremyashchy class corvette 25 July 2013 at its St. Petersburg shipyard. The corvette Provorny is the second warship of the Project 20385 class. Laying Project 20385 corvette, serial number 1006, was held at the "Severnaya Verf" on the eve of the Day of the Navy July 28, 2013. This is the Central Navy Portal said a source in the enterprise. Cutting metal for the manufacture of the first section of the body of the sixth Corvette started at the plant in early April. To begin work on welding sections 1006 Order scheduled for the end of April. Manual assembly and welding shop "Severnaya Verf" believes that making mortgages sections of the sixth - the first production Corvette to be fulfilled in time. The ceremony of installation mortgage board the lead ship of the project 20385 (serial number 1005) was held in February 2012, work on the hull of the ship began at the plant in the summer of 2011. The first order of the draft order of the commander of the Russian Navy ships assigned to the legacy of the Russian and Soviet navies name - "Rumbling".

Russian Navy will receive 16 Project 20385 corvettes, the Central Navy Portal reported 25 July 2013. The groundbreaking ceremony corvette "Prompt" on July 25 in St. Petersburg at the shipyard "Severnaya Verf", said Deputy Defense Minister Yuri Borisov. "We have no doubt that the Northern Shipyard successfully cope with the order of the Ministry of Defence - said Yuri Borisov - as well as perform work within the necessary timeframe." Corvette "Agile" has been assigned serial number 1006 - the second housing project 20385 and the sixth in a series of corvettes being built now for the Russian Navy.

Project 20385 corvettes "Gremyashchy" and "Agile" will be delivered to the Russian Navy in time with German diesel engines. This was announced 16 March 2015 by CEO CMDB "Almaz" Alexander Shlyakhtenko. "It was decided to install a diesel engine to the corvette domestic production produced by JSC "Kolomna factory". Delivery times for the Russian Navy ships are not corrected, they remain in accordance with a plan approved by the USC (United Shipbuilding Corporation) and the Russian Navy," - said Shlyakhtenko.

Interlocutor of the agency said that work on the project 20385 did not stop, and now designers and engineers are engaged in the modernization of a Russian engines instead of originally planned installations from the German company MTU. Some media reported that the shipyard in northwest Russia froze the construction of eight corvettes and nine frigates due to the inability to replace imported components.

The project to build advanced Gremyashchy class stealth corvettes will be closed due to insufficient supply of foreign-made components, the shipbuilder said 20 May 2015. Foreign-made equipment was installed on Project 20385 corvettes, and certain problems have emerged due to present-day events, said Leonid Kuzmin, the marketing director of the Severnaya Verf shipyard.

The first two vessels of the Project 20385 class, which is a derivative of the Steregushchy class (Project 20380) corvette featuring better electronics, air defenses and extended operational range, are the Gremyashchy and the Provorny corvettes. The two vessels are in various stages of completion and will be equipped with domestically-produced substitutes of foreign-made spare parts.

Our shipyard is currently building two ships, and the possibility of replacing the [foreign-made] equipment [with domestically produced parts] is now being studied, but, apparently, the two corvettes will remain the only ships of their class. Under the contract with the Defense Ministry, the Severnaya Verf was to build at least 10 Gremyashchy class corvettes for the Russian Navy. The remaining eight ships will be built as the Steregushchy class corvettes.

According to earlier reports, a German contractor terminated a deal to supply engines for the warships last year, citing the sanctions imposed on Russia over the crisis in Ukraine. The engines are to be replaced with their advanced Russian-made counterparts which are still undergoing trials.

Kolomna factory has developed a diesel engine capacity of 7500 kilowatts, which will replace imported counterparts on warships of the Russian Navy, in particular - on the upgraded Project 20385 corvettes. Previously it was assumed that the project 20385 corvettes will be equipped with engines of the German company MTU, but after the introduction of sanctions against Russia, this company refused to cooperate.

"By the order of Design Bureau" Almaz "we order import has completed a technical project for one of the new versions of the corvette class ship - Project 20385" - chief designer of the Kolomna Plant Valery Ryzhov said 18 June 2015. He added that the new engine is currently undergoing bench testing, and delivers power up to 7500 kW. According Ryzhov, diesel engines of such power were not produced in Russia.

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 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.



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