Kora-class corvette
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''Kora''-class corvettes are guided missile
corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the slo ...
s, in active service with the
Indian Navy The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates sig ...
and the National Coast Guard of Mauritius.Indian Naval Ships-Corvettes-Khukri Class
Four vessels were built at
Garden Reach Shipbuilders and Engineers Garden Reach Shipbuilders & Engineers Ltd, abbreviated as GRSE, is one of India's leading shipyards, located in Kolkata. It builds and repairs commercial and naval vessels. GRSE also builds export ships. Founded in 1884 as a small privately ...
(GRSE) and outfitted at
Mazagon Dock Limited Mazagon Dock Shipbuilders Limited (MDL) (IAST: ''Majhagānv Dawk Limiṭeḍ''), formerly called Mazagon Dock Limited, is a shipyard situated in Mazagaon, Mumbai. It manufactures warships and submarines for the Indian Navy and offshore platform ...
(MDL).


Design

The primary role of the ''Kora'' class is as surface combatants. They are armed with four quad-launchers for 3M-24 anti-ship missiles (Russian: Kh-35 Uran, NATO: SS-N-25 Switchblade). The 3M-24E missile is guided by homing active radar and can carry a warhead to a range of at Mach 0.9 speed. They are powered by two diesel engines. A
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or
HAL Dhruv The HAL Dhruv is a utility helicopter designed and developed by Hindustan Aeronautics Limited (HAL) in November 1984. The helicopter first flew in 1992; however, its development was prolonged due to multiple factors including the Indian Army ...
helicopter can operate from the vessel. They also have anti-air shoulder-launched missiles ( Strela-2M (Nato code name: SA-N-5 Grail)).The Strela-2M has a range of and a speed of Mach 1.75. INS ''Kulish'' is equipped with two Igla surface-to-air missile launchers. The corvettes are armed with a
AK-176 The AK-176 is a Soviet naval gun mounted in an enclosed turret, that may be used against sea, coastal, and aerial targets, including low flying anti-ship missiles. The system is designed to arm small displacement ships and comprises the Gun Mou ...
dual-purpose gun and two AK-630 CIWS. The Ak-176 can fire at the rate of 120 rounds-per-minute (RPM) to a range of , while the
AK-630 The AK-630 is a Soviet and Russian fully automatic naval, rotary cannon, close-in weapon system. The "630" designation refers to the weapon's six gun barrels and their 30 mm caliber. The system is mounted in an enclosed automatic turret and dir ...
can fire 3,000RPM to a range of . and are fitted with a Otobreda super rapid gun firing 120 RPM. The sensor suite includes a MR-352 Pozitiv-E (Cross Dome) air or surface search radar, Bharat 1245 navigation radar and BEL Rani navigation radar. The MR-352 radar can track targets within a range of . Fire control is provided by Garpun-Bal and MR-123 radars. The Garpun-Bal radar combines active and passive channels and in the active target designation mode, it operates in X-band (I/J-band) and can handle up to 150 targets at ranges between - , although it is possible to obtain ranges of more than in wave-guide propagation conditions. The corvettes are fitted with the Ajanta P Mk II Electronic Support Measures system. There are four PK-10 chaff launchers and two towed torpedo decoys to deceive incoming anti-ship missiles and
torpedoes A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...
. PK-10 is a 10 tube barrage chaff launcher that can fire 80 rounds at a time. The ''Kora'' class is powered by two diesel engines driving two controllable pitch propellers through two shafts. Each engine is rated at . Four diesel alternators rated at 350kW are provided for power generation. The propulsion system provides a top speed of , an average speed of and a maximum range of . Each ship cost in 2001 approximately . A simpler version exported to Mauritius in 2014 cost approximately .


History

The ''Kora''-class corvettes were designed by India's Naval design bureau under Project 25A, as a replacement for the Russian-designed Petya II-class corvettes of the
Indian Navy The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates sig ...
. The first two were ordered in April 1990 and latter two in October 1994. The class was to be outfitted with the Trishul SAM, but following the cancellation of the Trishul project, a shoulder-launched SAM was adopted. INS ''Kora'' undertook a goodwill visit to
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...
in mid-2001. The corvette participated in the Republic of Singapore Navy Day celebrations followed by the International Maritime Defence Exhibition (IMDEX) Asia 2001. The participation of INS ''Kora'' in the International Maritime Defence Exhibition was a showcase of the Indian shipbuilding industry and its indigenous efforts.


Export

In 2012, it was reported that
Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...
had ordered 2 vessels based on this class from the Garden Reach Shipbuilders.


Ships of this class


Gallery


See also

*
List of active Indian Navy ships List of active Indian Navy ships is a list of ships in active service with the Indian Navy. In service ships are taken from the official Indian Navy website.


References

{{Ship classes of the Indian Navy
Corvette classes Ships built in India