Engineering:INS Arighat

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Short description: Arihant-class nuclear submarine


Arihant follow on class submarine.jpg
An artist's impression of an Arihant-class submarine
History
India
Name: INS Arighat
Builder: Shipbuilding Centre (SBC), Visakhapatnam, India [1]
Launched: 19 November 2017[2]
Commissioned: 2023 (Scheduled)[3]
Status: Sea trials completed
General characteristics
Class and type: Arihant-class ballistic missile submarine
Type: Ballistic missile submarine
Displacement: Surface: classified
Length: 300+ ft (actual length is classified)
Beam: Classified
Draft: Classified
Installed power: 1 x CLWR-B1 Compact Light-water reactor,[4][5] 83 MW[2]
Propulsion: 1 × propeller shaft, nuclear propulsion
Speed:

Surfaced: 12–15 knots (22–28 km/h)

Submerged: 24 knots (44 km/h)
Range: Unlimited except by food supplies
Endurance: Unlimited except by food supply and maintenance
Test depth: Between 300 m (980 ft) to 400 m (1,300 ft)[6]
Sensors and
processing systems:
Armament:
  • 12 × K15 SLBM (750 km or 470 mi range) or 4 × K-4 SLBM (3,500 km or 2,200 mi range)[8][9][2]
  • Torpedoes: 6 × 21" (533 mm) torpedo tubes – est 30 charges (torpedoes, missiles or mines)[10]

INS Arighat is an upgraded variant of the Arihant-class submarine.[11][12][13] It is the second nuclear-powered ballistic missile submarine being built by India [14] under the Advanced Technology Vessel (ATV) project to build nuclear submarines at the Ship Building Centre in Visakhapatnam.[1] It has the code name S3.[2][15][16]

The submarine was quietly launched in 2017 and little has been publicly announced about its capabilities and current status. The submarine was originally known as INS Aridhaman but was renamed INS Arighat upon its launch. According to reports released in early 2021, she was to be commissioned in late 2021 alongside INS Vikrant.[17]

Description

The boat will have one seven-blade propeller powered by a pressurised water reactor. It can achieve a maximum speed of 12–15 knots (22–28 km/h) when on surface and 24 knots (44 km/h) when submerged.[18][better source needed]

The submarine has four launch tubes in its hump, just like her predecessor. She can carry up to 12 K-15 Sagarika missiles (each with a range of 750 km or 470 mi), or four of the under-development K-4 missiles (with a range of 3,500 km or 2,200 mi).[2][19]

Status

She was outfitted in December 2010, it was announced by the navy officers that she would be launched in mid or late 2011. In the event, years of delay ensued and, in October 2017, it was reported that she would be launched in November or December and would undergo outfitting.[20] The launch took place on 18 October 2017.[citation needed] Arighat was expected to be commissioned in 2021.[2][21] (As of October 2022), INS Arighat was undergoing harbour trials and was slated to be commissioned in 2022.[22][17] INS Arighat has not been commissioned as of 5 February 2023, and an official commissioning date has not been announced.[23] A report in the Hindustan Times states that INS Arighat will be commissioned in 2024.[24]

References

  1. ↑ 1.0 1.1 S. Anandan (14 January 2012). "Second nuclear submarine headed for year-end launch". The Hindu. http://www.thehindu.com/news/national/second-nuclear-submarine-headed-for-yearend-launch/article2798864.ece. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 "A peek into India's top secret and costliest defence project, nuclear submarines". India Today. 7 December 2017. https://www.indiatoday.in/magazine/the-big-story/story/20171218-india-ballistic-missile-submarine-k-6-submarine-launched-drdo-1102085-2017-12-10. 
  3. ↑ "Indian submarine fleet to get fresh impetus by early 2023". The Economic Times. October 21, 2022. https://m.economictimes.com/news/defence/indian-submarine-fleet-to-get-fresh-impetus-by-early-2023/articleshow/95017099.cms. 
  4. ↑ "Founder's Day Speech, Director, BARC". Bhabha Atomic Research Centre. 30 October 2018. http://www.barc.gov.in/presentations/fddir18.pdf. 
  5. ↑ "DAE Excellence in Science, Engineering & Technology Awards 2010". BARC Newsletter (322): 33. September–October 2011. http://www.barc.gov.in/publications/nl/2011/2011091009.pdf. Retrieved 21 March 2021. 
  6. ↑ "Arihant-class submarines". http://www.defencenews.in/defence-news-internal.aspx?get=new&id=R5mr0CLjcww=. 
  7. ↑ "Retrieved on 2016-10-21.". http://www.naval-technology.com/projects/arihant-class/. 
  8. ↑ "A peek into India's top secret and costliest defence project, nuclear submarines". India Today. https://www.indiatoday.in/magazine/the-big-story/story/20171218-india-ballistic-missile-submarine-k-6-submarine-launched-drdo-1102085-2017-12-10. 
  9. ↑ "A peek into India's top secret and costliest defence project, nuclear submarines". India Today. 7 December 2017. Archived from the original on 11 December 2017. https://web.archive.org/web/20171211024434/http://indiatoday.intoday.in/story/india-ballistic-missile-submarine-k-6-submarine-launched-drdo/1/1104982.html. Retrieved 11 December 2017. 
  10. ↑ Pike, John (27 July 2009). "Advanced Technology Vessel (ATV)". Globalsecurity.org. http://www.globalsecurity.org/military/world/india/atv-specs.htm. 
  11. ↑ "Needed, a nuclear triad". Sunday-guardian.com. http://www.sunday-guardian.com/analysis/needed-a-nuclear-triad. 
  12. ↑ General, Lt. "Indian Navy's Capability Perspective – SP's Naval Forces". Spsnavalforces.net. http://www.spsnavalforces.net/story.asp?mid=23&id=3. 
  13. ↑ "India To Construct Two More Arihant Nuclear Submarines For Navy". Defence Now. 28 February 2012. http://www.defencenow.com/news/551/india-to-construct-two-more-arihant-nuclear-submarines-for-navy.html. 
  14. ↑ "Ensuring India's Qualitative Military Edge". SHARNOFF'S GLOBAL VIEWS. 10 April 2013. http://www.sharnoffsglobalviews.com/india-nuclear-capability-003/. 
  15. ↑ Anandan, S. (2014-12-20). "INS Arihant may be of limited utility" (in en-IN). The Hindu. ISSN 0971-751X. https://www.thehindu.com/news/national/ins-arihant-may-be-of-limited-utility/article6709623.ece. 
  16. ↑ "India's Nuclear Triad is now Fully Operational" (in en). 2018-12-11. https://www.vifindia.org/2018/december/11/india-s-nuclear-triad-is-now-fully-operational. 
  17. ↑ 17.0 17.1 Gupta, Shishir (2021-03-10). "Eye on China, India's plan for 6 nuclear-powered attack submarines back on track". Hindustan Times (New Delhi). https://www.hindustantimes.com/india-news/eye-on-china-india-s-plan-for-6-nuclear-powered-attack-submarines-back-on-track-101615327826084.html. 
  18. ↑ "SSBN Arihant Class Submarine, India". naval-technology.com. http://www.naval-technology.com/projects/arihant-class/. 
  19. ↑ "INS Arihant returned yesterday from 20-day deterrent patrol" (in en). 5 November 2018. https://www.indiatoday.in/india/story/ins-arihant-returned-yesterday-from-20-day-deterrent-patrol-1383188-2018-11-05. 
  20. ↑ "A bigger nuclear submarine is coming". The Hindu. 2017-10-15. http://www.thehindu.com/news/national/a-bigger-nuclear-submarine-is-coming/article19862549.ece. 
  21. ↑ Pubby, Manu (2020-02-21). "India's Rs 1.2 lakh crore nuclear submarine project closer to realisation". The Economic Times. https://economictimes.indiatimes.com/news/defence/indias-rs-1-2-l-cr-n-submarine-project-closer-to-realisation/articleshow/74234776.cms. 
  22. ↑ Sandeep, Unnithan (2020-08-24). "The ATV project was Atmanirbhar since its inception: Vice Admiral PC Bhasin (retd)". India Today. https://www.indiatoday.in/india-today-insight/story/the-atv-project-was-atmanirbhar-since-its-inception-vice-admiral-pc-bhasin-retd-1714656-2020-08-24. 
  23. ↑ "Indian submarine fleet to get fresh impetus by early 2023". The Economic Times. October 21, 2022. https://m.economictimes.com/news/defence/indian-submarine-fleet-to-get-fresh-impetus-by-early-2023/articleshow/95017099.cms. 
  24. ↑ Shishir Gupta (19 February 2023). "Aircraft carrier INS Vikramaditya is back on high seas". Hindustan Times. https://www.hindustantimes.com/india-news/aircraft-carrier-ins-vikramaditya-is-back-on-high-seas-101676775908275.html. 

See also



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