What are Kolkata-class destroyers?
Project 15A, associated with Kolkata-class destroyers, is a follow-up on Project 15 (Delhi-class destroyers). The Kolkata-class destroyers will see 2,363 modifications from their predecessors allowing them to have substantially upgraded weaponry, sensors and helicopter systems.
- The Indian government sanctioned the construction of three "Kolkata-class" guided missile stealth destroyers in May 2000.
- The ships to be constructed were INS Kolkata, INS Kochi and INS Chennai.
- The project, called Project 15A, was undertaken by Mumbai-based Mazagon Docks Limited (MDL).
- It was a follow-up on Project 15 Delhi-class destroyers, but the Kolkata-class destroyers were to be more capable owing to improvements.
Project 15A costs
The entire programme to build three stealth destroyers - the INS Kolkata, INS Kochi and INS Chennai would cost the government of India ₹11,662 crores. The project, conceived in 2000, is several years behind schedule.
INS Kolkata commissioned into the Indian Navy
- The INS Kolkata's keel was laid down in 2003, the ship was launched in 2006, and it had its sea trials in 2013.
- The first of the three Kolkata-class destroyers, INS Kolkata was delivered to the Indian Navy in July 2014, and commissioned on 16 August 2014.
- The 6,800-tonne vessel constructed by Mazagon Dock Limited became the largest-ever warship built in India.
INS Kolkata carbon dioxide leak
During a check-up on INS Kolkata's machinery on 7 March 2014, a carbon dioxide bottle malfunctioned leaving an officer dead and several crew members injured. The officer, Commander Wadhwa inhaled a large amount of CO2, and subsequently died.
India's biggest indigenously-built warship commissioned
- Defence minister Manohar Parikkar commissioned the INS Kochi into the Indian Navy, which is India's biggest indigenously-built warship.
- INS Kochi is the second of three Kolkata-class destroyers in the Indian Navy, and was built at a cost of ₹4000 crores.
- The 7,500-tonne ship has a top speed of 30 knots, and will be manned by a crew of 40 officers and 350 sailors.
INS Kochi weapon systems
The INS Kochi, is equipped with BrahMos supersonic cruise missiles, long-range surface to air missile systems, anti-submarine torpedoes and rockets and 76 mm and 30 mm guns. The third Kolkata-class ship, the INS Chennai is scheduled to be commissioned in 2016.