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INS Sutlej

INS Sutlej:

INS Sutlej arrived at Port Louis to conduct the 18th Joint Hydrographic Survey in Mauritius. INS Sutlej is a specialized hydrographic survey vessel of the Indian Navy, built by Goa Shipyard Limited and commissioned in 1993. Currently based in Kochi under the Southern Naval Command. It is a specialized hydrographic survey vessel for charting, mapping, and oceanographic research.

It is equipped with advanced systems including:

  • Multi-beam swath echo sounder and side-scan sonars for high-precision seabed mapping.
  • Differential GPS and motion sensors – for navigational accuracy.
  • Sea gravimeter, magnetometer, and oceanographic sensors – for geophysical and environmental data.
  • Automated data logging system – for real-time digital survey processing.
  • Carries one Chetak helicopter and four survey motorboats, augmenting reconnaissance and data-gathering reach.
  • Conforms to ISO 9002 digital survey accuracy standards, enabling production of electronic navigational charts (ENCs).