imported>Saprativadhikary at 12:41, 6 May 2026

2026-05-06T12:41:16Z

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{{Use dmy dates|date=July 2019}}
{{Use Indian English|date=July 2019}}{{italic title|string=Nirupak}}

{{Short description|Indian Survey vessel}}
{{Infobox ship
|section1={{Infobox ship/image
|image=
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|section2={{Infobox ship/career
| hide_header=
| country=India
| flag= {{shipboxflag|India|naval}}
| name= INS ''Nirupak''
| ordered=
| awarded=
| builder= [[Garden Reach Shipbuilders and Engineers]]
| original_cost=
| yard_number=
| way_number=
| laid_down=
| launched= 4 June 1981
| sponsor=
| christened=
| completed=
| acquired=
| commissioned=14 August 1985
| decommissioned=29 January 2024
| in_service=
| out_of_service=
| renamed=
| reclassified=
| refit=
| struck=
| identification=*{{IMO Number|7529287}}
*[[Hull number]]: J20
| reinstated=
| homeport=
| motto=
| nickname=
| honours=
| fate=
| status= Decommissioned
| notes=
| badge=
}}

|section3={{Infobox ship/characteristics
|hide_header=
|header_caption=<ref>{{cite web|url=http://www.globalsecurity.org/military/world/india/j-sandhayak.htm |title=J 20 Sandhayak Class |work=globalsecurity.org |year=2012 |accessdate=24 February 2012}}</ref>
|class= {{sclass|Sandhayak|survey ship|||1981}}
|displacement={{convert|1929|LT|t|0}} full
|length={{convert|87.8|m|ftin|abbr=on}}
|beam= {{convert|12.8|m|ftin|abbr=on}}
|draft={{convert|3.3|m|ftin|abbr=on}}
|propulsion=
|speed= {{convert|16|kn|lk=in}}
|range=*{{convert|6000|nmi|abbr=on|lk=in}} at {{convert|14|kn}}
*{{convert|14000|nmi|abbr=on|lk=in}} at {{convert|10|kn|abbr=on}}
|complement=18 officers + 160 enlisted
|armament=1 × [[Bofors 40 mm]] gun
|aircraft=1 × [[HAL Chetak]] helicopter
|aircraft_facilities=[[Helipad]]
|notes=
}}
}}

'''INS ''Nirupak'' (J20)''' ([[Hindi]]: निरूपक lit. ''Indicator'') was a {{sclass|Sandhayak|survey ship|0||1981}} hydrographic [[survey ship]] in the [[Indian Navy]]. The ship was built by [[Garden Reach Shipbuilders & Engineers]] and [[Ship commissioning|commissioned]] into the Indian navy at [[Visakhapatnam]] [[naval base]] in 1985 under [[Eastern Naval Command]].

The third ship in the class {{INS|Nirupak|J20|2}} was decommissioned after 38 years of service on 29 January 2024 in [[Visakhapatnam]].<ref>{{cite news|url=https://www.thehindu.com/news/cities/Visakhapatnam/ins-nirupak-decommissioned-at-visakhapatnam-after-38-years-of-service/article67790480.ece|title=INS Nirupak decommissioned at Visakhapatnam after 38 years of service|first=Sumnit|last=Bhattacharjee|work=[[The Hindu]]|date=2024-01-30}}</ref><ref name=":0">{{Cite web |last=TOI |first=Team |date=30 Jan 2024 |title=INS Nirupak Decommissioned At Visakhapatnam |url=https://timesofindia.indiatimes.com/city/visakhapatnam/ins-nirupak-decommissioned-at-visakhapatnam/articleshow/107239465.cms |access-date=30 Jan 2024 |website=Times of India}}</ref>

==Equipment==
The ship is equipped with [[Remotely operated underwater vehicle|ROV]], [[AUV]] & [[Unmanned surface vehicle|USV]]. Apart from a [[helicopter]] and [[Bofors 40 mm gun]] for [[self defense]], the ship is also equipped with four survey [[motor boats]] and two small [[boats]]. ''Nirupak'' is the second ship to have been [[indigenous peoples of Asia|indigenous]]ly designed and constructed, commissioned after INS ''Sandhayak'' under the {{sclass|Sandhayak|survey ship|4||1981}}. As a [[hospital ship]], ''Nirupak'' has taken part in [[disaster relief]] exercises.<ref>{{Cite web|title=Disaster management skills demonstrated|url=http://www.ccsre.org/single-news.php?id=242/}}</ref> On a goodwill mission in 2010 the ship visited [[Trincomalee|Trincomalee Port]].<ref>{{Cite web|title=US, Indian naval ships at Trinco|url=http://archives.dailynews.lk/2010/07/19/news25.asp}}</ref>

==Tasks==
The primary tasks of INS ''Nirupak'' include [[hydrographic surveys]], nautical chart preparation, [[cartography]] & [[training]]. The ship also has disaster relief capabilities because it can operate as a hospital.

==Operations==
''Nirupak'' was one of the first ships of the Indian Navy alongside {{INS|Khukri|P49|6}} to be involved in relief operations after a [[2004 Tsunami]] where it provided relief operations under Operation Gambhir as a hospital ship to [[Indonesia]].<ref>{{Cite news|title=Navy launches Operation Gambhir in Indonesia|website=[[The Times of India]] |date=2 January 2005 |url=https://timesofindia.indiatimes.com/india/Navy-launches-Operation-Gambhir-in-Indonesia/articleshow/978531.cms}}</ref> INS Nirupak was awarded the Admiral Jal Cursetji Rolling Trophy for best survey ship in the years 1994, 1995, 2005 and 2009. It was actively engaged in Humanitarian Assistance and Disaster Relief (HADR) operations, including Operation Gambhir in 2004, offering critical relief as a hospital ship to Indonesia.<ref name=":0" /> In 2016 the ship was also involved in searching for the missing [[Antonov 32]] of the Indian Navy that crashed over the [[Bay of Bengal]]. Some articles of wreckage of the aircraft were later found .<ref>{{Cite web|title=Special ships to join search for missing AN-32|date=27 July 2016 |url=http://indianexpress.com/article/india/india-news-india/special-ships-to-join-search-for-missing-an-32-iaf-flight-plane-2937857/}}</ref>

==References==
{{Reflist|30em}}

{{Sandhayak-class survey ship}}

{{DEFAULTSORT:Nirupak, INS}}
[[Category:1981 ships]]
[[Category:Sandhayak-class survey ships]]
[[Category:Ships built in India]]

INS Nirupak - Revision history

imported>Saprativadhikary at 12:41, 6 May 2026