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Nuclear submarine INS Arihant (S2)

Nuclear submarine INS Arihant (S2) 0

Classification

Ship class:
Arihant-class submarine
Type:
Ballistic missile submarine (SSB, SSBN)

Basic information

Operator:
Indian NavyIndian Navy
Country of build:
Builder:
Naval Dockyard (Visakhapatnam)
Launched:
Commissioned (service):
Status:
Active

Ship measurements

Displacement:
6,000 t
Length:
111 m
Beam:
11 m
Draft:
9.5 m

Machine

Propulsion:
  • 1 * CLWR-B1 Compact Light-water reactor 83 MW
  • 1 * turbine; 1 * shaft; 1 * 7-bladed, high-skew propeller (estimated)
Speed:
15 knots
Submerged speed:
24 knots
Test depth:
350 m
Submerged range:
unlimited except by food supplies

Personnel

Complement:
100

Combat assets

Electronics:
  • DRDO USHUS sonar
  • DRDO Panchendriya unified submarine sonar, control system and underwater communication system
Armament:
  • 6 * 533 mm (21 in) torpedo tubes — estd. 30 charges (torpedoes, missiles or mines)
  • 4 * VLS cells for
  • 12 * K-15 Sagarika SLBM (or)
  • 4 * K-4 SLBM

INS Arihant, 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.

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.

Arihant has four vertical launch tubes, which can carry 12 (three per launch tube) smaller K-15 missiles or four larger K-4 missiles. The K-4 has a longer range of 3,500 km (2,200 mi), and had commenced trials in 2014.

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