INS Sarvekshak to Carry Joint Hydrographic Survey with Tanzanian Navy in Dar-Es-Salaam

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To bolster bilateral relations with friendly foreign countries and navies in the Indian Ocean region, INS Sarvekshak, a hydrographic survey ship of Southern Naval Command, arrived in Dar-es-Salaam Tanzania for joint Hydrographic Survey along with the Tanzanian Navy.

Map of Pemba Channel
  • Joint survey to be conducted with Navy of Tanzania trained in India in National Institute of Hydrography, Goa.
  • Training of Tanzanian Naval personnel will also be undertaken on advanced hydrographic equipment and practices.
  • Ship will undertake pioneer survey of Pemba Island including detailed surveys of Port of Wesha and Kiuyo and Pemba Channel in Tanzania
  • Thereafter will proceed to Port Louis in Mauritius in December for survey of Grand Port.
  • Previously, Indian Naval Hydrographic Ships Jamuna, Sutlej and Darshak undertook various hydrographic surveys of Dar-es-Salaam, Zanzibar, Makoni and Port Tanga in Tanzania.
  • INS Sarvekshak undertook foreign cooperation surveys in Sri Lanka, Mauritius, Seychelles and Kenya.

About INS Sarvekshak

  • INS Sarvekshak is specialised survey ship of the Indian Navy based at Kochi
  • Fitted with state-of-the-art survey equipment like Deep Sea Multi beam echo sounder system, side scan sonars and a fully automated digital surveying and processing system.
  • Ship carries an integral Chetak helicopter extensively deployed during the Ocean survey.
  • Second ship of Darshak class with complement of 15 officers and 175 sailors

What is Hydrographic Survey and Sounding?

Science of measurement and description of features affecting maritime navigation, marine construction, dredging, offshore oil exploration, offshore oil drilling and related activities.

The measurement of depth below the water surface is called sounding- that is land surveying where depths are measured below a horizontal line established by a level. Soundings are required for:

  • Making nautical charts for navigation
  • Measurement of areas subject to scour or silting and to ascertain the quantities of dredged material
  • Making sub-aqueous investigations to secure information needed for the construction, development, and improvement of port facilities.

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