Shishumar-class submarine

Last updated

INS Shishumar enters Port of Duqm Oman.jpg
INS Shishumar enters Port of Duqm, Oman.
Class overview
NameShishumar class
Builders
OperatorsNaval Ensign of India.svg  Indian Navy
Preceded by Vela class
Succeeded by Kalvari class
Cost€300 million each [1]
In commission1986–present
Planned6
Completed4
Cancelled2
Active4
General characteristics [2]
Type Attack submarine
Displacement
  • 1,450 t (1,427 long tons) standard
  • 1,660 t (1,634 long tons) surfaced
  • 1,850 t (1,821 long tons) submerged
Length64.4 m (211 ft 3 in)
Beam6.5 m (21 ft 4 in)
Draught6 m (19 ft 8 in)
Propulsion
  • 4 × MTU 12V 493 AZ80 GA31L diesel-electric motors, 2,400 hp (1,790 kW) each
  • 1 × Siemens motor, 4,600 hp (3,430 kW)
  • 4 × 1.8 MW Siemens alternators
  • 1 shaft
Speed
  • 11 knots (20 km/h; 13 mph) surfaced
  • 22 knots (41 km/h; 25 mph) submerged
Range
  • 8,000  nmi (15,000 km; 9,200 mi) at 8 kn (15 km/h; 9.2 mph)
  • 13,000 nmi (24,000 km; 15,000 mi) at 10 kn (19 km/h; 12 mph)
Complement40 (8 officers)
Sensors and
processing systems
  • Atlas Elektronik CSU 83 sonar
  • Thomson Sintra DUUX-5 passive sonar
  • Thomson-CSF Calypso surface search radar
Electronic warfare
& decoys
  • Argo Phoenix II AR 700 or Kollmorgen Sea Sentry
  • C 303 acoustic decoys
Armament

The Shishumar-class submarines are diesel-electric attack submarines, currently in active service with the Indian Navy. These submarines are an Indian variant [4] of the Type 209 submarines developed by the German yard Howaldtswerke-Deutsche Werft under the internal designation "Type 1500". The first two vessels were built by HDW at Kiel, Germany, while the remainder were built by Mazagon Dock Limited, at Mumbai, India, under a technology transfer agreement. [5] The submarines were commissioned between 1986 and 1994. These submarines have a displacement of 1,660 tons when surfaced, a speed of 22 knots (41 km/h; 25 mph), and a complement of 40 including eight officers.

Contents

The Shishumar class is unique among Type 209s for having an IKL-designed integrated escape sphere. The sphere has accommodations for the entire crew with an eight-hour air supply. [6] [7]

History

India signed the agreement for these submarines with Howaldtswerke-Deutsche Werft (HDW) on 11 December 1981. The agreement called for building of two submarines in West Germany, the supply of knocked-down kits for assembling two more submarines in Mazagon Dock Limited (MDL), and training for construction and logistics services. An agreement was announced in 1984 for the construction of two additional submarines in MDL, but was subsequently cancelled due to economic crisis in the late 1980s. [2] The four submarines that were finally built form the 10th submarine squadron based at Mumbai. [3]

Mid Life Upgrade

The Indian Navy awarded a $151 million contract for mid-life upgrade and certification of INS Shishumar in 2018. The refit was carried out by MDL at Mumbai with technical cooperation from ThyssenKrupp Marine Systems. [8] [9] The refit was planned to be completed by 2021 with a similar upgrade for another vessel of Shishumar-class submarine to follow. [8] The ship was expected to be delivered by 2021 but owing to Covid-19 delays the ship will now be delivered to the Indian Navy in August 2023. [10]

Similarly, a second mid-life upgrade contract was awarded to the Mazagon Dock for refit and life certification of the 2nd submarine Shankush on 30 June 2023. The completion date of mid-life upgrade and certification is 2026. The total estimated cost to be around ₹ 2,725 crore (US$330 million). [11]

Total 3 ships out of 4 will undergo mid-life refit and certification, this will extend the life of the submarine by 10–15 years. [10]

Ships of the class

NamePennantBuilderLaid downLaunchedCommissionedUpgradeHomeportNote
Naval Ensign of India.svg  Indian Navy
Shishumar S44 Howaldtswerke-Deutsche Werft 1 May 198213 December 198422 September 19862018 — 2023 [8] [10] Mumbai [2]
Shankush S451 September 198211 May 198420 November 19862023 — 2026 [11] [2]
Shalki S46 Mazagon Dock 5 June 198430 September 19897 February 1992— [2]
Shankul S473 September 198921 March 199228 May 1994— [2]

Commissions received during the order

In a July 2005 interview with NDTV , V. P. Singh said that in 1987, while he was a minister, he had received a telegram from the Indian ambassador in Germany with the information that Indian agents had received large illegal commissions in the HDW submarine deal. [12] Singh informed the then prime minister Rajiv Gandhi about this and instituted an enquiry. Subsequently, this led to differences and Singh decided to resign from the cabinet. [13]

See also

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References

  1. ↑ "The Greek submarine scandal and HDW". www.sites.tufts.edu. World peace foundation. Retrieved 25 October 2018.
  2. 1 2 3 4 5 6 Commodore Stephen Saunders, ed. (2004). "India". Jane's Fighting Ships 2004-2005 (107th ed.). Coulsdon: Jane's Information Group. p. 305. ISBN   978-0710626233.
  3. 1 2 Gady, Franz-Stefan (14 July 2016). "Germany to Upgrade Two Indian Attack Submarines". The Diplomat.
  4. ↑ The Indian Strategic Nuclear Submarine Project An Open Literature Analysis
  5. ↑ Nair-Ghaswalla, Amrita (2 December 2015). "ThyssenKrupp bullish on defence sector". The Hindu Business Line.
  6. ↑ ARG. "Shishumar Class Patrol Submarine - Military-Today.com". www.military-today.com. Archived from the original on 27 January 2009. Retrieved 4 January 2009.
  7. ↑ "Shishumar Class".
  8. 1 2 3 "Germany's Thyssenkrupp to refit Indian Navy submarine INS Shishumar". 26 September 2018. Retrieved 27 September 2018.
  9. ↑ "India's Mazagon Dock, Germany's Thyssenkrupp Bag $151M Worth Indian Navy Submarines Refit Contract". DefenseWorld.net. 27 September 2018. Retrieved 6 July 2019.
  10. 1 2 3 Peri, Dinaker (1 July 2023). "Submarine INS Shankush to undergo life extension at MDL under ₹2,725-crore contract". The Hindu .
  11. 1 2 "MoD signs a contract of Rs. 2725 Cr with Mazagon Dock Shipbuilders Ltd for Medium Refit with Life Certification of Submarine INS Shankush". PIB (Press release). 30 June 2023.
  12. ↑ Gupta, Shekhar (1 July 2005). "Walk the talk - an interview with V.P.Singh". NDTV. Retrieved 25 October 2018.
  13. ↑ "India charges 6 over submarine kickbacks". New York Times. 7 March 1990. Retrieved 25 October 2018.


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