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Indian Navy Commissions First Indigenous Diving Vessel

Why in News ?

The Indian Navy is set to commission INS Nistar, its first indigenously built Diving Support Vessel (DSV), in Visakhapatnam. Built by Hindustan Shipyard Limited, it highlights Aatmanirbharta in defence and enhances India’s deep-sea and submarine rescue capabilities.

About the Commissioning of INS Nistar:

● INS Nistar, India’s first indigenous Diving Support Vessel (DSV), will be commissioned by the Indian Navy today in Visakhapatnam.

● The vessel is named ‘Nistar’, a Sanskrit word meaning liberation, rescue, or salvation.

● The commissioning reflects the Navy’s efforts to strengthen underwater rescue operations.

● The vessel supports saturation diving missions, essential for long-duration deep-sea tasks.

● The ship enhances India’s capability to rescue distressed submarines and conduct complex underwater missions.

Indigenous Design and Technological Features

● Built by Hindustan Shipyard Limited, Nistar marks a major leap in defence indigenisation.

● Over 80% indigenous content used; more than 120 MSMEs contributed to its development.

● The ship is 120 metres long and 20 metres wide, with a displacement of 10,500 tons.

● Equipped with Remotely Operated Vehicles (ROVs) and a deep submergence rescue vehicle (DSRV).

● Features a multi-deck advanced diving complex for high-risk missions at sea.

Key points: Diving Support Vessels (DSVs) :
● DSVs are specialized ships used for underwater rescue and diving operations, especially in naval contexts.
● They are essential for salvaging sunken submarines, performing maintenance of underwater structures, and supporting saturation diving.
● Saturation diving allows divers to work at great depths for long durations using pressurised environments.
● DSVs are equipped with hyperbaric chambers, ROVs, and DSRVs for comprehensive underwater operations.
● Commissioning such vessels boosts India’s strategic autonomy and blue water navy ambitions.