First indigenous Diving Support Vessel 'Nistar' delivered to Indian Navy
On 8 July 2025 at Visakhapatnam, Hindustan Shipyard Limited delivered 'Nistar', the first indigenously designed and built Diving Support Vessel, to the Indian Navy.
Summary
Hindustan Shipyard Limited delivered 'Nistar', the first indigenously designed and constructed Diving Support Vessel, to the Indian Navy at Visakhapatnam on 8 July 2025. Built to Indian Register of Shipping rules, the 118-metre ship of nearly 10,000 tons can undertake deep sea saturation diving up to 300 m and side-stage diving up to 75 m, and will serve as the 'Mother Ship' for the Deep Submergence Rescue Vessel to rescue personnel from a disabled submarine. Its remotely operated vehicles can support diver monitoring and salvage up to 1,000 m. The name 'Nistar' comes from Sanskrit and means liberation, rescue or salvation.
Key facts
- Delivery
- 8 July 2025, Visakhapatnam, by Hindustan Shipyard Limited
- Type
- First indigenous Diving Support Vessel
- Size
- 118 m; nearly 10,000 tons
- Diving
- Saturation diving up to 300 m; side diving stage up to 75 m; ROVs to 1,000 m
- Role
- Mother ship for the Deep Submergence Rescue Vessel (DSRV)
- Name
- Sanskrit: liberation, rescue or salvation
Practice MCQs 3 questions
Which shipyard delivered 'Nistar', the first indigenous Diving Support Vessel, to the Indian Navy on 8 July 2025?
Show answer
Correct answer: B — Hindustan Shipyard Limited
MoD: Nistar was delivered by Hindustan Shipyard Limited to the Indian Navy on 8 July 2025 at Visakhapatnam.
Up to what depth can Diving Support Vessel 'Nistar' undertake deep sea saturation diving?
Show answer
Correct answer: C — 300 m
MoD: Nistar can undertake deep sea saturation diving up to 300 m; its side diving stage allows diving up to 75 m and its ROVs operate up to 1,000 m.
Besides diving operations, 'Nistar' will serve as the 'Mother Ship' for which asset?
Show answer
Correct answer: D — Deep Submergence Rescue Vessel (DSRV)
MoD: the ship will serve as the Mother Ship for the Deep Submergence Rescue Vessel (DSRV) to rescue and evacuate personnel in case of a submarine emergency.