Sandhayak – UPSC Prelims

  • ‘Sandhayak’ is one of the first of the four Survey Vessels (Large) projects being built for the Indian Navy.
  • Developed by: Defence Public Sector Undertaking, Garden Reach Shipbuilders and Engineers (GRSE) Limited.
  • Purpose:
    • To conduct a full-scale coastal and deep-water hydrographic survey of ports and harbours and determination of navigational channels and routes.
    • To collect oceanographic and geophysical data for defence as well as civil applications and
    • To perform roles such as Search and Rescue and Disaster Relief, besides serving as hospital ships with limited facilities during emergencies.
  • Name: The ship has taken its name from the first ship of the erstwhile Sandhayak-class survey ships.
  • Features:  The vessel will have over 80% indigenous content. It is also propelled by two marine diesel engines combined with fixed pitch propellers and fitted with bow and stern thrusters, enabling it to manoeuvre at a low speed during surveys.
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