Kalvari-class submarine (1967)

Kalvari-class submarines were the first submarines inducted into the Indian Navy. They were variants of the early Soviet Foxtrot-class submarines. Four of the class served in the Indian Navy. Four additional variants of the later Foxtrot class were inducted as the Vela class.

This article is about the Foxtrot-class submarine variant. For the Scorpène-class submarine variant, see Kalvari-class submarine (2015).

Kalvari-class (Foxtrot-class) submarine of the Indian Navy
Class overview
NameKalvari class
BuildersSudomekh, Admiralty Shipyard
Operators Indian Navy
Succeeded by Vela class
In commission1967–2003[1]
Completed4
Retired4
Preserved1
General characteristics
TypeSubmarine
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 knots (15 km/h; 9.2 mph) surfaced
  • 380 mi (610 km) at 10 knots (19 km/h; 12 mph) submerged
Test depth250 m (820 ft)
Complement75 (incl 8 officers)
Armament
  • 10 533mm torpedo tubes with 22 SET-65E/SAET-60 torpedoes
  • 44 mines in lieu of torpedoes

INS Kursura has been preserved as a museum on Ramakrishna Mission Beach in Visakhapatnam.[2] The sail of the lead vessel, INS Kalvari is also on display at the Visakhapatnam city museum.

Ships
Name Pennant Builder Commissioned Decommissioned Status
INS Kalvari S23 Sudomekh 8 December 1967 31 May 1996 Sail on display
INS Khanderi S22 Sudomekh 6 December 1968 18 October 1989 Sail on display
INS Karanj S21 Sudomekh 4 September 1969 1 August 2003
INS Kursura S20 Sudomekh 18 December 1969 27 September 2001 As a museum
INS Kursura in dry dock

References
  1. Bharat-Rakshak.com :: NAVY - Kalvari Class (Foxtrot Class)
  2. "Indian Navy". Archived from the original on 7 March 2012. Retrieved 7 April 2015.
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