History
India
NameINS Kalvari
Namesake"Kalvari" a deep sea tiger shark.
Launched15 April 1967
Commissioned8 December 1967
Decommissioned31 May 1996
IdentificationS23
FateDecommissioned
StatusHull scrapped, fin preserved
General characteristics
Class and typeKalvari-class submarine
Displacement
  • 1,950 t (1,919 long tons) surfaced
  • 2,475 t (2,436 long tons) submerged
Length91.3 m (299 ft 6 in)
Beam7.5 m (24 ft 7 in)
Draught6 m (19 ft 8 in)
Speed
  • 16 knots (30 km/h; 18 mph) surfaced
  • 15 knots (28 km/h; 17 mph) submerged
Range
  • 20,000 mi (32,000 km) at 8 kn (15 km/h; 9.2 mph) surfaced
  • 380 mi (610 km) at 10 kn (19 km/h; 12 mph) submerged
Test depth250 m (820 ft)
Complement75 (incl 8 officers)
Armament
  • 10 533 mm (21 in) torpedo tubes with 22 SET-65E/SAET-60 torpedoes
  • 44 mines in lieu of torpedoes

INS Kalvari (S23) was the lead vessel of the Kalvari class of diesel-electric submarines of the Indian Navy.[1] It was the first ever submarine inducted into service by the Indian Navy.[2][3] The submarine was laid down on 27 December 1966 as Foxtrot-class submarine B-51 of the Soviet Navy by Novo-Admiralty at Galerniy Island, Leningrad.

Overview

The submarine was launched on 15 April 1967 and competed on 26 September 1967.[4][5] The submarine was commissioned by the Indian Navy on 8 December 1967 at Riga, Soviet Union. The Navy celebrates Submarine Day annually on 8 December to commemorate this occasion.[2][3] The submarine was decommissioned in 1992.[4]

INS Kalvari submarine fin at RK Beach

Kalvari is the Malayalam word for tiger shark, a deep-sea predator in the Indian Ocean. The name symbolizes agility, strength and predatory power.[6][7] The tiger shark (Galeocerdo Cuvier) is a species of requiem shark which are found in tropical and temperate waters.

References

Wikimedia Commons has media related to INS Kalvari (S23).
  1. ↑ Kalvari Class (Foxtrot Class) – Bharat Rakshak :: Indian Navy. Bharat Rakshak. Retrieved on 2018-12-25.
  2. 1 2 "Submarine Day: Its INS Kalvari connection and everything you want to know". The Financial Express. 11 December 2020. Retrieved 27 December 2020.
  3. 1 2 "Explained: What is Submarine Day that celebrates INS Kalvari?". The Indian Express. 11 December 2020. Retrieved 27 December 2020.
  4. 1 2 "B-51 (6125986)". Miramar Ship Index. Retrieved 10 September 2009.
  5. ↑ Polmar, Norman; Noot, Jurrien (1991). Submarines of the Russian and Soviet Navies, 1718–1990. Annapolis, Maryland: Naval Institute Press. p. 342. ISBN 978-0-87021-570-4. OCLC 21195060.
  6. ↑ "What Is INS Kalvari? All You Need To Know". NDTV.com. Retrieved 31 January 2018.
  7. ↑ Banerjee, Ajay (6 April 2015). "Parrikar undocks Scorpene sub". The Tribune. Retrieved 8 April 2015.


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