INS Sandhayak (2021)

Sandhayak (2021) (Hindi: संधायक lit. coordinator) is the lead ship of her class. A hydrographic survey ship being built by GRSE for the Indian Navy. It was launched on 5 December 2021. It is expected to be commissioned by October 2022.[1][2]

For other ships with the same name, see INS Sandhayak (J18).

Sandhayak (J18) during its launch ceremony
History
India
NamesakeSandhayak
BuilderGarden Reach Shipbuilders and Engineers
Yard number3025
Launched5 December 2021[1]
CommissionedOctober 2022 (expected)[2]
IdentificationJ18
StatusLaunched
General characteristics
TypeHydrographic survey ship
Displacement3,300 tonnes (3,248 long tons)
Length110 m (360 ft 11 in)
Speed18 knots (33 km/h; 21 mph)
Range6,500 nmi (12,000 km; 7,500 mi) at 14 knots (26 km/h; 16 mph) to 16 knots (30 km/h; 18 mph)
Complement231
Sensors and
processing systems
  • Autonomous Underwater Vehicles (AUVs)
  • Remote Operated Vehicles (ROVs)
  • Multi Beam Echo Sounders
ArmamentCRN 91 naval gun
Aircraft carried1 × HAL Dhruv MK.3 Navy helicopter
Aviation facilitiesHelipad

Design

The ships have a displacement of 3,300 tonnes (3,248 long tons) and a length of 110 metres (360 ft 11 in). They have a cruising speed of 16 knots (30 km/h; 18 mph) with a maximum speed of 18 knots (33 km/h; 21 mph) and an operating range of 6,500 nautical miles (12,000 km; 7,500 mi) at a speed of 14 to 16 knots (26 to 30 km/h; 16 to 18 mph). The ships have a complement of 231 and are equipped with hydrographic sensor equipment and a hangar which can accommodate one advanced light helicopter. In the secondary role, the ships can be fitted with a CRN 91 naval gun. In addition, the vessels will follow MARPOL (marine pollution) Standards of the International Maritime Organisation and will be built per Classification Society Rules and Naval Ship Regulations.[3]

The primary role of the vessels would be to conduct coastal and deep-water hydro-graphic survey of ports, navigational channels, Economic Exclusive Zones and collection of oceanographic data for defence. Their secondary role would be to perform search & rescue, ocean research and function as hospital ships for casualties.[4][5][6][7]

Construction

The keel of the ship was laid on 8 November 2019[8] and launched on 5 December 2021.[1] She is the lead class of her class.

See also

References
  1. "First of the four ships under Survey Vessel (Large) project for Indian Navy launched in the presence of Raksha Rajya Mantri at GRSE, Kolkata" (Press release). PIB. 5 December 2021.
  2. @indiannavy (5 December 2021). "Sandhayak and her three other sister ships are scheduled to be delivered between Oct 22 and Jan 24" (Tweet) – via Twitter.
  3. "GRSE bags over Rs 2,000 crore contract to build 4 large survey vessels for Navy". Deccan Chronicle. 30 October 2018. Retrieved 26 November 2018.
  4. "MOD signs contract with GRSE for supply of four survey vessels for Indian Navy". pib.nic.in. Retrieved 26 November 2018.
  5. "Indian MoD orders four survey ships from GRSE | Jane's 360". www.janes.com. Retrieved 26 November 2018.
  6. "GRSE to build four survey vehicles for Indian Navy, contract inked". The Economic Times. 30 October 2018. Retrieved 26 November 2018.
  7. "GRSE to supply vessels to Indian Navy - NWI - Naval Warfare - Shephard Media". www.shephardmedia.com. Retrieved 26 November 2018.
  8. @OfficialGRSE (8 November 2019). "Vice Admiral Ajay Kumar Saxena, PVSM, AVSM, VSM, Controller of Warship Production & Acquisition delivering his speech on the Keel Laying Ceremony of First Survey Vessel Large won on competitive bidding by GRSE" (Tweet) – via Twitter.
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