Sagardhwani (A74) at sea
History
India
NameINS Sagardhwani
BuilderGarden Reach Shipbuilders & Engineers, Kolkata
LaunchedMay 1991
Commissioned30 July 1994
HomeportKochi, India
Identification
Statusin active service
General characteristics
TypeResearch ship
Displacement2,050 long tons (2,083 t) full load[1]
Length85.1 m (279 ft) o/a[2]
Beam12.8 m (42 ft)[2]
Propulsion
  • 2 × diesel engines
  • 3,860 hp (2,880 kW) sustained
  • 2 shafts
  • 2 auxiliary thrusters[1]
Speed16 knots (30 km/h; 18 mph)[1]
Range6,000 nmi (11,000 km) at 16 kn (30 km/h; 18 mph)[1]
Endurance200 days[3]
Complement80, plus 16 scientists[1]
Sensors and
processing systems		Racal Decca 1629 radar at I-band frequency[1]
Aircraft carried1 × HAL Chetak[1]
Aviation facilitiesHelicopter landing pad[1]

INS Sagardhwani (A74) (Hindi : सागरध्वनि - Voice of the Sea) is a marine acoustic research ship (MARS) owned by the Naval Physical and Oceanographic Laboratory (NPOL), a DRDO laboratory and is maintained and operated by the Indian Navy, and based at Southern Naval Command, Kochi.[4]

INS Sagardhwani in Kochi on the occasion of Navy Day in 2020

The ship was built by Garden Reach Shipbuilders & Engineers, Kolkata,[4] launched in May 1991,[1] and commissioned in 1994.[4] It is similar in design to the Sandhayak-class survey ships, but with the superstructure positioned amidships and a helipad forward.[1] The vessel is designed to facilitate low noise and low vibration while carrying out acoustic programmes. It has floating floors for scientific laboratories, anti-vibration mountings for machinery and equipment, balloon launching container and wind weather radar to carry out those experiments. It is also equipped with VHF sets, marine radio and auto telephone exchange.[3]

Internally, the ship has eight laboratories for various scientific disciplines, and a mini-operating theatre with medical staff. At the stern is handling equipment for mooring and retrieving oceanographic and acoustic buoys. It can accommodate up to 82 persons, including 16 scientists, and a crew of 8 officers and 58 sailors.[5]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 Rakshak, Bharat (2012). "INS Sagardhwani". bharat-rakshak.com. Retrieved 21 January 2012.
  2. 1 2 "Sagardhwani Class". Indian Navy. 2011. Archived from the original on 2 February 2012. Retrieved 21 January 2012.
  3. 1 2 "INS Sagardhwani: DRDO's pet and Navy's pride". The Times of India. 5 September 2003.
  4. 1 2 3 "INS Sagardhwani". Naval Research Board. 2010. Retrieved 21 January 2012.
  5. ↑ Anantha, Krishnan M. (5 September 2003). "INS Sagardhwani: DRDO's pet and Navy's pride". The Times of India. Archived from the original on 10 November 2013. Retrieved 21 January 2012.

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