TNPSC Thervupettagam

First Scorpene-class submarines

December 15 , 2017 2565 days 1207 0
  • Prime Minister of India has commissioned India's first indigenous Scorpene-class submarine Kalvari into the Navy at Mumbai's Naval Dockyard.
  • The submarines of Scorpene class are propelled by diesel-electric engines and Torpedo is mounted as a primary weapon.
  • INS Kalvari is built by Mazagon Dock Limited (MDL) with assistance and technology transfer from France’s DCNS.
  • The submarine is named after the dreaded tiger shark.
  • It also features an additional air-independent propulsion (AIP) system.
  • Conventional diesel-electric submarines have to surface every few days to get oxygen to recharge their batteries. With AIP systems, they can stay submerged for much longer periods.
  • It weighs 1500 tonnes and can go up to depths of 300m.
  • It will have both anti-surface and anti-submarine warfare.
  • It is first of the six submarines developed by the French DCNS under Project 75.
  • INS Kalvari is followed by INS Khanderi which is currently undergoing sea trails and expected to be inducted by the end of 2020.

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