Kalvari-class submarine

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Class overview
INS Kursura (S20)
Name:	Kalvari class
Builders:	Sudomekh, Admiralty Shipyard
Operators:	Indian Navy
In commission:	1967–2003^[1]
Completed:	4
Active:	0
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 kn (15 km/h; 9.2 mph) surfaced 380 mi (610 km) at 10 kn (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

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.

INS Kursura (S20) has been preserved as a museum on Ramakrishna Mission Beach in Vishakhapatnam.^[2] The sail of the lead vessel, INS Kalvari is also on display at the Vishakhapatnam city museum.

Ships of the class

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

References

v t e Ship classes of the Indian Navy

Aircraft carriers	Majestic⁺ Centaur Kiev Vikrant^*

Destroyers	Rajput Delhi Kolkata^*

Frigates	Godavari Brahmaputra Talwar Shivalik Project 17A^*

Corvettes	Veer Abhay Khukri Kora Kamorta^*

Submarines	Kalvari⁺ Vela Sindhughosh Shishumar Scorpène^*

Nuclear submarines	Akula-II Arihant^**

Amphibious warfare ships	Kumbhir Magar Shardul Jalashwa

Patrol craft	Seaward Sukanya Super Dvora Mk II Trinkat Bangaram Car Nicobar Saryu Makar

Minesweeper	Pondicherry Osprey^*

Replenishment ship	Deepak Komandarm Fedko Aditya Ambika

Tugboats	Anand Anjan Arga Balram Bhim Gaj Madan Singh

Ferries	GSL Manoram Shalimar^*

Barges	Poshak Vipul^* Modest^* Corporated^* Hooghly^*

Training	Tir

^* Under construction/procurement ^** SSBN ⁺ Retired Ships of the Indian Navy

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