First of Scorpene Submarines- Kalvari

Date: April 07, 2015

Scorpene Submarine Kalvari Project 75 air-independent propulsion

First indigenously-built Scorpene Submarine Kalvari undocked

India's first indigenously-built Scorpene Submarine on 6 April 2015 was undocked at the Mazagaon Dockyard Limited (MDL) in Mumbai, Maharashtra. The undocked submarine was named Kalvari and is expected to be commissioned into Indian Navy by September 2016.Kaveri is part of Indian Navy’s ambitious submarine programme- Project 75. It is a  six submarines project to be undertaken in collaboration of France. 

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The Scorpene class submarines are a class of diesel-electric attack submarine jointly developed by the French DCN and the Spanish company Navantia and now by DCNS. It features diesel propulsion and an additional air-independent propulsion (AIP) system.Scorpene submarine has superior stealth capability. It can undertake various operations including multifarious warfare, Anti-submarine warfare, Intelligence gathering, mine laying, area surveillance etc.

Air-independent propulsion (AIP) is any technology which allows a non-nuclear submarine to operate without the need to access atmospheric oxygen (by surfacing or using a snorkel). AIP can augment or replace the diesel-electric propulsion system of non-nuclear vessels.