INS Arighat

INS Arighat is the second Arihant-class submarine.[5][6][7] It is the second nuclear-powered ballistic missile submarine being built by India.[8] It is being built 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.[3][9][10]

An artist's impression of an Arihant-class submarine
History
India
Name: INS Arighat
Builder: Shipbuilding Centre (SBC), Visakhapatnam, India[1]
Laid down: 2011[2]
Launched: 19 November 2017[3]
Status: In Sea trials
General characteristics
Class and type: Arihant-class ballistic missile submarine
Type: Ballistic missile submarine
Displacement: surface : 6000 tonne (estimated)
Beam: 15 m (49 ft)
Draft: 10 m (33 ft)
Installed power: 1 × pressurised water reactor[3]
Propulsion:
Speed:
  • Surfaced: 12–15 knots (22–28 km/h)
  • Submerged: 24 knots (44 km/h)
Range: unlimited except by food supplies
Test depth: between 300 m (980 ft) to 400 m (1,300 ft)
Armament:

Missiles: 12 × K15 SLBM or 4 × K-4 SLBM[3]

Torpedoes: 6 × 21" (533 mm) torpedo tubes – est 30 charges (torpedoes, missiles or mines)[4]

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.[11]

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).[3][12]

Status

She has been outfitted. In December 2010, it was announced that she would be launched in mid or late 2011. In October 2017, it was reported that she would be launched in November or December and would undergo outfitting.[13] The launch took place on 18 October 2016. Arighat is expected to be commissioned in 2021.[3][14] As of 2020, INS Arighat is under harbour trials.[15]

References
  1. S. Anandan (14 January 2012). "Second nuclear submarine headed for year-end launch". The Hindu. Retrieved 2 June 2013.
  2. PETR TOPYCHKANOV (15 July 2015). "Indo-Russian naval cooperation: Sailing high seas". Russia&India Report. Retrieved 15 July 2015.
  3. "A peek into India's top secret and costliest defence project, nuclear submarines". India Today. 7 December 2017. Archived from the original on 20 April 2019. Retrieved 11 December 2017.
  4. Pike, John (27 July 2009). "Advanced Technology Vessel (ATV)". Globalsecurity.org. Retrieved 2 June 2013.
  5. "Needed, a nuclear triad". Sunday-guardian.com. Retrieved 2 June 2013.
  6. General, Lt. "Indian Navy's Capability Perspective – SP's Naval Forces". Spsnavalforces.net. Archived from the original on 3 July 2013. Retrieved 23 June 2013.
  7. "India To Construct Two More Arihant Nuclear Submarines For Navy". Defence Now. 28 February 2012. Archived from the original on 12 July 2015. Retrieved 2 June 2013.
  8. "Ensuring India's Qualitative Military Edge". SHARNOFF'S GLOBAL VIEWS. Retrieved 9 June 2013.
  9. Anandan, S. (20 December 2014). "INS Arihant may be of limited utility". The Hindu. ISSN 0971-751X. Retrieved 30 June 2019.
  10. "India's Nuclear Triad is now Fully Operational". Vivekananda International Foundation. 11 December 2018. Retrieved 2 July 2019.
  11. "SSBN Arihant Class Submarine, India". naval-technology.com. Retrieved 2 June 2013.
  12. "INS Arihant returned yesterday from 20-day deterrent patrol". India Today. 5 November 2018. Retrieved 13 October 2019.
  13. "A bigger nuclear submarine is coming". The Hindu. 15 October 2017. Retrieved 15 October 2017.
  14. Pubby, Manu (21 February 2020). "India's Rs 1.2 lakh crore nuclear submarine project closer to realisation". The Economic Times. Retrieved 21 February 2020.
  15. Sandeep, Unnithan (24 August 2020). "The ATV project was Atmanirbhar since its inception: Vice Admiral PC Bhasin (retd)". India Today. Retrieved 24 August 2020.
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