Fifth Indian Kalvari-class submarine INS Vagir begins sea trials.

According to information published by the Indian government on February 2, 2022, the fifth submarine of Project 75, the Indian Navy’s Kalvari class commenced her sea trials.
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Kalvari-class submarine INS Vagir (Picture source: Indian government)

The submarine was launched in Nov 2020 from the Kanhoji Angre Wet Basin of Mazagon Dock Shipbuilders Limited (MDL). The submarine would be named Vagir, after commissioning.

The submarine will now undergo intense trials of all its systems at sea, including propulsion systems, weapons, and sensors. The submarine is scheduled for delivery to the Indian Navy in the year 2022 after the completion of these trials.

The Kalvari class is a class of diesel-electric attack submarines based on the Scorpène-class submarine being built for the Indian Navy. The submarines are designed by French naval defense and energy company DCNS and are being manufactured by Mazagon Dock Limited in Mumbai.

The Kalvari class is capable of offensive operations across the entire spectrum of naval warfare including anti-surface warfare, anti-submarine warfare, intelligence gathering, mine laying, and area surveillance.

It has a length of 67.5 m (221 ft), height of 12.3 m (40 ft), an overall beam of 6.2 m (20 ft), and a draught of 5.8 m (19 ft). It can reach a top speed of 20 kn (37 km/h) when submerged and a maximum speed of 11 kn (20 km/h) when surfaced.

This class is equipped with six 533-mm torpedo tubes for a combination of 18 heavyweight wire-guided German-made Surface and Underwater Target (SUT) torpedoes and SM39 Exocet anti-ship missiles or 30 mines in place of both. The class is also fitted with mobile C303/S anti-torpedo decoys for self-defense.