UPSC Articles
Kalvari-Class Submarine INS Vagir launched
Part of: GS Prelims and GS-III – Defence & Security
In news
- Indian Navy’s fifth Kalvari-class Diesel Electric attack submarine INS Vagir was launched at Mazgaon Dock in Mumbai.
Key takeaways
- Indian Naval Ship (INS) Vagir is the fifth among the six Kalvari-class submarines.
- The other vessels in the class are INS Kalvari, INS Khanderi, INS Karanj, INS Vela and INS Vagsheer.
- Of these Kalvari and Khanderi have been commissioned in 2017 and 2019.
- Vela and Karanj are undergoing sea trials.
- Vagsheer is under construction.
Technical details
- The design of Kalvari class of submarines is based on Scorpene class of submarines.
- This class of submarines have Diesel Electric transmission systems.
- These are primarily attack submarines or ‘hunter-killer’ type which means they are designed to target and sink adversary naval vessels.
- It can reach the highest speeds of 11 knots when surfaced and 20 knots when submerged.
- These submarines have the Air Independent Propulsion (AIP) which enables non-nuclear submarines to operate for a long time without access to surface oxygen.
Do you know?
- Like Kalvari (which means Tiger Shark), Vagir has been named after a Sand Fish, a predatory marine species.
- Khanderi has been named after an Island Fort built by Chhatrapati Shivaji.
- Karanj has also been named after an Island located South of Mumbai.
