INS SANDHAYAK

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INS SANDHAYAK
 INS Sandhayak is the fi rst in a series of four Survey Vessel (Large) ships being constructed at Garden 
Reach Shipbuilders & Engineers (GRSE), Kolkata.
 The ship’s main role is to conduct coastal and deep-water hydrographic surveys for port and 
harbor approaches, as well as to determine navigational channels and routes. It operates within the 
Exclusive Economic Zone (EEZ) and extended continental shelf, covering a wide maritime area. Additionally, the vessel is equipped to gather oceanographic and geophysical data, serving both 
defence and civil applications.
 Sandhayak is equipped with cutting-edge hydrographic tools, including a Data Acquisition and 
Processing System, Autonomous Underwater Vehicle, Remotely Operated Vehicle, DGPS Long-
range positioning systems, and Digital side-scan sonar.
 This ship is re-incarnated in its present avatar from erstwhile Sandhayak, which was decommissioned 
in 2021.

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