INS Arihant

INS Arihant (SSBN 80) (Sanskrit: Vanquisher of Enemies), designated S2 Strategic Strike Nuclear Submarine, is the lead ship of India's Arihant class of nuclear-powered ballistic missile submarines. The 6,000 tonne vessel was built under the Advanced Technology Vessel (ATV) project at the Ship Building Centre in the port city of Visakhapatnam.

INS Arihant
History
India
NameINS Arihant
NamesakeSanskrit for "Vanquisher of Enemies" inspired from Jainism
BuilderShipbuilding Centre (SBC), Visakhapatnam, India
Laid down2004
Launched26 July 2009
Acquired13 December 2014
CommissionedAugust 2016
HomeportVisakhapatnam, India
Statusin active service
General characteristics
Class and typeArihant-class ballistic missile submarine
DisplacementSurface: 6,000 tonne (estimated)
Length111 m (364 ft)
Beam15 m (49 ft)
Draft11 m (36 ft)
Propulsion
  • 1 x CLWR-B1 Compact Light-water reactor
    83 MW
  • one turbine; one shaft; one 7-bladed, high-skew propeller (estimated)
Speed
  • Submerged: 24 knots (44 km/h; 28 mph)
  • Surfaced: 15 knots (28 km/h; 17 mph)
Rangeunlimited except by food supplies
Test depth350 m (1,150 ft) (estimated)
Complement95–100 officers and men
Sensors and
processing systems
  • DRDO USHUS sonar
  • DRDO Panchendriya unified submarine sonar, control system and underwater communication system
Armament
  • 6 × 533 mm (21 in) torpedo tubes
  • 12 × K-15 Sagarika SLBM
  • or
  • 4 × K-4

Arihant was launched on 26 July 2009, the anniversary of Vijay Diwas (Kargil War Victory Day) by Prime Minister Manmohan Singh. After fitting out and extensive sea trials, on 23 February 2016, she was confirmed as ready for operations, commissioned in August 2016, and deployed operationally in 2018.

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