INS Agray, INS Dunagiri and INS Sanshodhak

Features

INS Sanshodhak

INS Agray

INS Dunagiri

Purpose

• The Mapper

• The Hunter

• The Protector

Role

• Creates accurate seabed maps and collects ocean data

• Detects, tracks and engages enemy submarines in coastal waters.

• Provides long-range protection and striking capability

Class and project

• Sandhayak-class (Survey Vessel -Large)

• Arnala-class (Project 28 SW) Anti-Submarine Shallow Water Craft

• Nilgiri-class (Project 17A)

Vessel Type

• Hydrographic Survey Vessel

• Anti-Submarine Warfare Craft

• Stealth Guided-Missile Frigate

Primary Builder

• Garden Reach Shipbuilder and Engineers (GRSE), Kolkata

• GRSE, Kolkata

• (GRSE), Kolkata

Displacement

• 3300 – 3400 tonnes

• 900 tonnes

• 6,670 tonnes

Propulsion

• Twin Diesel Engines

• Water-jet propulsion

• CODOG (Combined Diesel or Gas)

Capabilities

• Hydrographic surveys and seabed mapping
• Oceanographic data collection

Equipped with SONAR, Autonomous Underwater Vehicle (AUV) and survey systems

• Anti-submarine warfare operations
• Advanced SONAR and underwater sensors
• Lightweight torpedoes and depth charges
• High manoeuvrability in shallow waters

• Multi-role: Anti-Air, Anti-Surface, Anti-Submarine warfare.
• BrahMos supersonic missiles
• Advanced radar, Electronic Warfare (EW) suite and helicopters

Designed for blue-water operation