INS ''Sagardhwani'' (A74) (
Hindi
Hindi (Devanāgarī: or , ), or more precisely Modern Standard Hindi (Devanagari: ), is an Indo-Aryan language spoken chiefly in the Hindi Belt region encompassing parts of northern, central, eastern, and western India. Hindi has been de ...
: सागरध्वनि) is a marine acoustic research ship (MARS) owned by the
Naval Physical and Oceanographic Laboratory
The Naval Physical and Oceanographic Laboratory or NPOL is a laboratory of the Defence Research and Development Organisation (DRDO), under the Ministry of Defence, India. It is situated in Thrikkakara, Kochi, Kerala. NPOL is responsible for the ...
(NPOL), a
DRDO
The Defence Research and Development Organisation (DRDO) (IAST: ''Raksā Anūsandhān Evam Vikās Sangaṭhan'') is the premier agency under the Department of Defence Research and Development in Ministry of Defence of the Government of India, ...
laboratory
A laboratory (; ; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed. Laboratory services are provided in a variety of settings: physicia ...
and is maintained and operated by the
Indian Navy
The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates sig ...
, and based at
Southern Naval Command
The Southern Naval Command is one of the three command-level formations of the Indian Navy. It has its headquarters in Kochi, Kerala at INS Venduruthy. It is the Training Command of the Indian Navy.
The Command is commanded by a Three Star Fla ...
,
Kochi
Kochi (), also known as Cochin ( ) ( the official name until 1996) is a major port city on the Malabar Coast of India bordering the Laccadive Sea, which is a part of the Arabian Sea. It is part of the district of Ernakulam in the state of K ...
.
![Sagardhwani](https://upload.wikimedia.org/wikipedia/commons/2/20/Sagardhwani.jpg)
The ship was built by
Garden Reach Shipbuilders & Engineers
Garden Reach Shipbuilders & Engineers Ltd, abbreviated as GRSE, is one of India's leading shipyards, located in Kolkata. It builds and repairs commercial and naval vessels. GRSE also builds export ships.
Founded in 1884 as a small privately-o ...
,
Kolkata
Kolkata (, or , ; also known as Calcutta , the official name until 2001) is the capital of the Indian state of West Bengal, on the eastern bank of the Hooghly River west of the border with Bangladesh. It is the primary business, comme ...
,
launched in May 1991,
and commissioned in 1994.
It is similar in design to the
''Sandhayak''-class survey ships, but with the superstructure positioned amidships and a
helipad
A helipad is a landing area or platform for helicopters and powered lift aircraft.
While helicopters and powered lift aircraft are able to operate on a variety of relatively flat surfaces, a fabricated helipad provides a clearly marked hard s ...
forward.
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
Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter.
Frequencies immediately below VHF ...
sets, marine radio and auto telephone exchange.
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.
See also
*
List of active Indian Navy ships
List of active Indian Navy ships is a list of ships in active service with the Indian Navy. In service ships are taken from the official Indian Navy website.
References
External links
Auxiliary ships of the Indian Navy
Research vessels of India
Ships built in India
1991 ships
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