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INS KAMORTA
INS Kamorta (P-28) named after an island Kamorta in Nicobar Island is the first ASW stealth corvette which is build by GRSE India (Garden Reach ship Builders & engineer ltd). This project came to table in 2003 and was laid down for production in 2006. It was launched on 19thApril 2010 and delivered to Indian navy on 12th July 2014. It was officially inducted on 23rdaugust 2014 by Defense Minister of India Arun Jailtey. Each ship costs $ 465 million. It is a significant step towards the indignation of the defense sector.
Now let’s talk about some technical specification:
X Form Hull
The project-28 or P-28 is made from high grade steel DMR249A produced in India made at ASP Durgapur, let me tell you that high grade steel DMR249Acontains higher carbon concentration which makes it more resistant towards rusting and saves it from sea water (Saline water). It was designed to be stealthier so the engineers adopted the features like X form hull which suppresses its radar signature. Engineers also inclined its sides of the corvette for low radar cross section (RCS is a measure of how detectable an object is with radar), Infrared suppression (To suppress the heat signature to make it less detectable on the infrared camera) and acoustic quieting system (Making it quieter by dumping vibrators to prevent them from reaching the observers). The ship employs very low-under water voice signature due to its “X” form of hull. One more material that brought a significant change is the use of carbon fiber reinforced plastic which reduced the weight noticeably and life cycle maintenance cost.
“INS Kormata is the first Indian navy ship to use carbon fiber.”The hull of the ship encompassed bulk of sensors and weapon system manufactured by Indian industries. 90% of the components used in ship are indigenous and the ship is capable of fighting in NBC conditions.It is equipped with rail-less helo traversing system which is used for handling a helicopter. It also features a foldable hanger door so that it can operate helo borne operations according to situation.
The length of INS Kormata is 109m and bean of 13.7m. Displacement of the ship is 3500 ton. The heart of INS Kormata is 5096HP 4 12PAC STC diesel engines in CODAD (Combined diesel and diesel) formation to propel two shafts which allow the ship to reach a speed of 32 KN (59 KM/H) it can carry 180 sailors and 15 officers onboard (excluding flight crew of ASW heli).
ARMAMENTS:
1 x Melara 76 mm SRGM: it is fitted with an OTO Melara 76mm main gun which is designed by Italian defence company OTO Melara. The guns high rate of fire and availability of specialized ammunitions makes it well suited in varied roles such as Short range anti-missile point defence, Anti aircraft surface and ground support. Specialized ammunition includes Armor piercing, Incendiary, Direct fragmentation effects and a guided round capable of destroying maneuvering anti ship missile which makes it more lethal.
2 x AK 630 CIWS:AK 630 is fully automatic close-in weapon system based on a six barreled 30mm rotary canon. Its primary function is to defence against anti ship missiles and other precision guided weapons. It is directed by radar and television detecting and tracking.
16 x Barak I (built for but not with): Ship is armed with 16 cell-VLS launched barak I missiles as close in weapon system. Barak I can carry 22 KG blast fragmentation warhead upto 12 km. it can fly at an altitude of 5.5 km with the speed of 2.1 mach. It can take down any missile as close as 500m away from the ship (Obviously not any because BRAHMOS is an exception. Each Barak system costs $24 million.
AK 630 CIWS and BARAK I
2 x RBU 6000: it is a 213 mm caliber soviet anti submarine rocket launcher. It consists of a horseshoe shaped arrangement of 12 launch barrels that are remotely directed. It fires RGB -60 unguided charge in salvos of 1,2,4,8 or 12 rounds.1 x Augusta Westland Sea king Mk 42B: Anti-ship version for Indian navy, H 1400-1 turbo shafts and equipped to carry Sea Eagle missiles.
Radar and tracking devices:
Revathi central acquisition Radar:Advanced bow mounted sonar and the indigenous 3D-CAR air surveillance radar revathi which is capable of detecting target exceeding 200 KM.
EL/M 2221 STGR fire-control Radar: It is fire control radar developed as part of BARAK I naval air defence system. It can execute a fighter target acquisition of 30 km, a missile target at 15 km and surface target upto radar horizon. It is based on extremely accurate monopulse, dual band, pulse Doppler radar. Dual band comprises X- and Ka- band.
BEL RAWL02 (Signal LW08):BEL RAWL02 is developed by bharat electronics ltd and it is highly capable 2-D long range radar (range 350 km). BEL has modified it with an IFF.
HUMSA:HUMSA (hull mounted sonar array) is developed by DRDO and manufactured by BEL.
BEL RAWL02 and HUMSA
HUMSA: HUMSA (hull mounted sonar array) is developed by DRDO and manufactured by BEL
Electronic warfare and decoys:
BEL Ajanta Electronic warfare suit.
KAVACH: It is a naval decoy system to distract radar guided missiles from their target and act as a system for self defence. INS Kormata is first ship to be equipped with KAVACH.
DESEAVER MK II: The ship is equipped with Elbit Systems Deseaver MK II decoy control and launching system. Deseaver can launch decoys against anti-ship missiles coming from different directions.
Note: this warship is commissioned without critical medium range surface to air missile (SAM) and advanced light towards array sonar’s (ATLAS) which is planned to be added later which makes it more vulnerable.
