News: Hindustan Shipyard Limited (HSL) delivered Nipun, the second indigenous Nistar-class Diving Support Vessel (DSV), to the Indian Navy at Visakhapatnam.

About

• A specialized long-endurance naval vessel designed for:
  • Deep-sea diving
  • Underwater salvage
  • Submarine rescue
  • Search and Rescue (SAR) operations
• Second vessel of the Nistar-class DSVs (after INS Nistar).
• Built by: Hindustan Shipyard Limited (HSL), Visakhapatnam.
• Aim: Strengthen India's indigenous underwater rescue and deep-sea operational capabilities while reducing dependence on foreign rescue vessels.

Key Features

Scale & Indigenisation →

• Length: 118.4 m
• Displacement: 8,560+ tonnes
• 75–80% indigenous content, including SAIL-produced steel.

Deep-Sea Diving Capability →

• Equipped with saturation diving systems, moonpool, and side diving stage.
• Enables divers to operate safely at greater depths for extended durations.

DSRV Mother Ship →

• Serves as the launch, recovery, and support platform for Deep Submergence Rescue Vehicles (DSRVs) during submarine emergencies.

Remotely Operated Vehicles (ROVs) →

• Conduct underwater inspections, monitor divers, and assist in salvage operations.

Operational Endurance →

• Can operate for 60 days without replenishment.
• Equipped with a flight deck to operate heavy helicopters for SAR and medical evacuation.