Kalvari-class submarine (1967)

	Kalvari-class (Foxtrot-class) submarine of the Indian Navy
Class overview
Name:	Kalvari class
Builders:	Sudomekh, Admiralty Shipyard
Operators:	Indian Navy
Succeeded by:	class
In commission:	1967–2003
Completed:	4
Retired:	4
Preserved:	1
General characteristics
Type:	Submarine
Displacement:	1,950 t (1,919 long tons) surfaced; 2,475 t (2,436 long tons) submerged;
Length:	91.3 m (299 ft 6 in)
Beam:	7.5 m (24 ft 7 in)
Draught:	6 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 depth:	250 m (820 ft)
Complement:	75 (incl 8 officers)
Armament:	10 533mm torpedo tubes with 22 SET-65E/SAET-60 torpedoes; 44 mines in lieu of torpedoes;

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

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[edit]

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