News: The Indian Navy is set to commission its first indigenously designed Diving Support Vessel (DSV) INS Nistar at the Naval Dockyard in Visakhapatnam on July 18.
About INS Nistar

- It is India’s first indigenous Diving Support Vessel (DSV).
- Built by: The ship has been indigenously designed and constructed by state-owned Hindustan Shipyard Limited.
- It is the first ship of two-member class of DSVs, the second being Nipun.
- Name: The name of the ship ‘Nistar’ in Sanskrit translates to rendering rescue.
- Emblem: An ‘anchor’ which traditionally symbolises reliability and faith, and a ‘dolphin’ regarded as a seafarer’s friend and a harbinger of fair weather.
- Motto: Surakshita Yatharthta Shauryam (Deliverance with Precision and Bravery)
- Features
- It has a length of approximately 120 metres and displacement of more than 10,000 tonnes.
- Indegenously built: A total of 120 MSMEs have participated in the construction of this vessel, achieving more than 80 per cent indigenous content.
- Equipments:
- It is the ‘Mother Ship’ for the Deep Submergence Rescue Vehicle (DSRV).
- Its onboard diving complex includes both air and saturation diving systems, along with underwater Remotely Operated Vehicles (ROVs) and Side Scan SONAR.
- Functions: These ships will be deployed for deep sea diving and submarine rescue operations.
- It will be capable of conducting search and rescue operations and carrying out helicopter operations at sea.
- Earlier version
- The erstwhile INS Nistar was acquired by the Indian Navy from the erstwhile USSR in 1969 and was commissioned in 1971.
- It was decommissioned in 1989.
- The erstwhile INS Nistar was acquired by the Indian Navy from the erstwhile USSR in 1969 and was commissioned in 1971.




