INS Sagardhwani (A74)

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INS Sagardhwani (A74).jpg
INS Sagardhwani (A74)
Name: INS Sagardhwani
Builder: Garden Reach Shipbuilders & Engineers, Kolkata
Launched: May 1991
Commissioned: 30 July 1994
Homeport: Kochi, India
Status: in active service
Badge: INS Sagardhwani
General characteristics
Type: Research ship
Displacement: 2,050 long tons (2,083 t) full load[1]
Length: 85.1 m (279 ft) o/a[2]
Beam: 12.8 m (42 ft)[2]
  • 2 × diesel engines
  • 3,860 hp (2,880 kW) sustained
  • 2 shafts
  • 2 auxiliary thrusters[1]
Speed: 16 knots (30 km/h; 18 mph)[1]
Range: 6,000 nmi (11,000 km) at 16 kn (30 km/h; 18 mph)[1]
Endurance: 200 days[3]
Complement: 80, plus 16 scientists[1]
Sensors and
processing systems:
Racal Decca 1629 radar at I-band frequency[1]
Aircraft carried: 1 × HAL Chetak[1]
Aviation facilities: Helicopter landing pad[1]

INS Sagardhwani (A74) 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]

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. [5]

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.[6]

See also[edit]


  1. ^ a b c d e f g h i j Rakshak, Bharat (2012). "INS Sagardhwani". Retrieved 21 January 2012. 
  2. ^ a b "Sagardhwani Class". Indian Navy. 2011. Retrieved 21 January 2012. 
  3. ^ "INS Sagardhwani: DRDO's pet and Navy's pride". 
  4. ^ a b c "INS Sagardhwani". Naval Research Board. 2010. Retrieved 21 January 2012. 
  5. ^ "INS Sagardhwani: DRDO's pet and Navy's pride". 
  6. ^ Anantha, Krishnan M. (5 September 2003). "INS Sagardhwani: DRDO's pet and Navy's pride". The Times of India. Retrieved 21 January 2012.