Hai Lung-class submarine

ROCS Hai Lung (SS-793)
Class overview
NameChien Lung or Hai Lung
BuildersWilton-Fijenoord
Operators Republic of China Navy
Succeeded byHai Kun class
Built1982–1986
In commission1987–present
Planned2
Completed2
Active2
General characteristics
TypeDiesel-electric attack submarine
Displacement
  • 2376 t (surfaced)
  • 2660 t (submerged)
Length66.9 m (219 ft 6 in)
Beam8.4 m (27 ft 7 in)
Draught6.7 m (22 ft 0 in)
Propulsion3 × Bronswerk/Stork-Werkspoor RUB 215x12 diesels; 4050 hp
Speed
  • 20 knots (37 km/h; 23 mph) (submerged)
  • 12 knots (22 km/h; 14 mph) (surfaced)
Test depth300 m (980 ft)
Complement67 (8 officers)
Sensors and
processing systems
  • Type 1001 radar
  • Sonar Elodone Octopus, Type 20026 towed array, DUUX-5
  • Elbit TIMNEX 4CH(V2) electronic support measures (ESM) system
Armament

The Chien Lung (Chinese: 劍龍) class of submarine, also known as the Hai Lung (Sea Dragon[3]) class, was manufactured in the Netherlands for the Republic of China (Taiwan) and is currently in service with its navy. They are a modified version of the Dutch Navy's Zwaardvis class which itself is based on the US Barbel class. A new class of submarines being built by Taiwan's Indigenous Defense Submarine program, will eventually replace them.

History

The Republic of China (Taiwan) ordered two submarines, each based on the Dutch Zwaardvis design, in September 1981.[4] The keels for both submarines were laid down by dock and yard company Wilton Fijenoord b.v Schiedam in December 1982, though initial construction of the submarines was delayed due to the builder's financial instability, work resumed in 1983. Both submarines were launched in 1986, Hai Lung on October 6 and Hai Hu on December 10. Sea trials for Hai Lung began in March 1987 and Hai Hu began its sea trials in January 1988. Both ships were transported to Taiwan on board a heavy dock vessel. Hai Hu was commissioned for service on October 9, 1987 and Hai Lung followed on April 9, 1988.[5] The deal for the submarines also included power station components and gas liquifaction plants.[6]

More boats in this class were planned, and in October 1983 the Dutch government held talks with Taiwan in which the ordering of two extra submarines was discussed.[7] The order worth ƒ800 million was to be paid for 50% by investments of Taiwan in the Netherlands in the form of civil orders. However, the deal fell through after mainland China pressured the Dutch government. An order for four more submarines was also turned down by the Netherlands government in 1992 after China downgraded diplomatic ties with the Dutch.[8]

Design

The Hai Lung-class submarines are based on an improved Zwaardvis-class design. This means that they also make use of the US Navy's teardrop hull design, which was used by the Barbel class of conventional submarines. The design was modified to include the placement of noise-producing machinery on a false deck with spring suspension for silent running.[9] As built the class featured an Elbit TIMNEX 4CH(V2) electronic support measures (ESM) system.[10]

Tasks

The Hai Lung-class submarines are aimed at providing Taiwan the capability to deter Chinese naval blockades and to ensure that its sea lanes remain open, thus protecting the trade on which the island depends.[11][12] In addition, both submarines could be used to block Chinese ports but are unlikely to be capable of countering China's submarine fleet.[13]

Planned upgrade

In 2005, it was reported that the Hai Lung class would be upgraded to be capable of launching the UGM-84 Harpoon anti-ship missile.[14] US DoD notified the United States Congress of the sale to Taiwan of 32 UGM-84 Harpoon Block II missiles, along with two weapon control systems, other associated equipment and services, in 2008.[15] The delivery of the Harpoon anti-ship missiles started in 2013 and was completed in 2016. The upgrade allows the Hai Lung-class submarines to be able to attack targets from the sea, such as the Port of Shanghai, as well as nuclear submarines at the secret naval base in Yulin on the island of Hainan. The Harpoon missiles have a range of about 125 kilometers (78 mi). The submarines can now attack targets both at sea and on land with Harpoon missiles.[16]

In April 2016 it was announced that the Hai Lung class submarines will be modernized.[17] It was estimated at the time that the cost of upgrading the two boats will be 12.35 million dollars.[18] In 2018 the modernization program was green-lit by RH Marine after a year long technical feasibility study.[19] The aim of the modernization is to extend the operational lifespan of both submarines into the late 2030s.[20][21] This will be done by upgrading many parts of the submarines, including the electronic warfare and combat systems, hull, electrical systems, mechanics and non-propulsion electronic systems.[17] Besides upgrades, the boats will also be equipped with long-range heavy Mark 48 torpedoes.[19][20] The modernization of the submarines is expected to take place between 2020 and 2022.[22]

Boats

Name Hull number Builder Laid down Launched Commissioned
Hai Lung (Sea Dragon) SS-793 Wilton-Fijenoord 15 December 1982 6 October 1986 9 October 1987
Hai Hu (Sea Tiger) SS-794 Wilton-Fijenoord December 1982 10 December 1986 9 April 1988

See also

Notes

Citations

  1. ^ "國軍祕密武器 MK-48魚雷明曝光". Archived from the original on 2011-05-19. Retrieved 2011-03-25.
  2. ^ "臺軍"漢光19"演習試射MK48魚雷". huaxia.com. Archived from the original on 2011-05-21. Retrieved 2011-03-25.
  3. ^ Edmonds and Tsai (2005), p. 158.
  4. ^ Edmonds and Tsai (2003), p. 121.
  5. ^ Hai Lung (class) Taiwan (1987), Military Factory, 14 August 2017, retrieved 24 April 2018
  6. ^ Sterba, James P. (19 January 1981). "power station components and gas liquifaction plants". The New York Times. Retrieved 6 March 2021.
  7. ^ Kabinet praat over levering van onderzeeërs aan Taiwan (in Dutch), Digibron.nl, 28 October 1983, retrieved 24 April 2018
  8. ^ Jelle Brandsma (1 September 2004), 'Den Haag boort Wilton Fijenoord orders door de neus' (in Dutch), Trouw, retrieved 24 April 2018
  9. ^ Hai Lung [Sea Dragon]-class [Zwaardvis] Submarine, Global Security, retrieved 24 April 2018
  10. ^ Minnick, Wendell (4 April 2016). "Taiwan Moves Forward on Sub Upgrades". www.defensenews.com. Defense News. Retrieved 30 June 2019.
  11. ^ Darman (2004), p. 70.
  12. ^ Tsang (2004), p. 184.
  13. ^ Taiwan Submarine Capabilities, NTI, 23 July 2013, retrieved 24 April 2018
  14. ^ "Taiwan to boost submarine force with Harpoon anti-ship missiles: Jane's". AFP. 2005-09-25. Retrieved 2007-12-23.
  15. ^ "Taipei Economic and Cultural Representative Office in the United States – UGM-84L HARPOON Block II Missiles" (PDF). DSCA. 2008-10-03. Archived from the original (PDF) on 2011-05-27. Retrieved 2008-10-06.
  16. ^ Stieven Ramdharie (8 January 2014), Taiwan kan China nu ook vanuit zee treffen (in Dutch), De Volkskrant, retrieved 24 April 2018
  17. ^ a b Franz-Stefan Gady (6 April 2016). "Taiwan to Upgrade 2 Submarines". The Diplomat.
  18. ^ Franz-Stefan Gady (4 August 2016). "Taiwan Sets Up Submarine Development Center". The Diplomat.
  19. ^ a b Daniel Darling (23 May 2018). "Taiwanese Navy Submarine Upgrade Project Comes into View". Defense and Security Monitor.
  20. ^ a b Drake Long (24 May 2018). "Taiwan to upgrade pair of 30-year old submarines". The Defense Post.
  21. ^ Franz-Stefan Gady (25 May 2018). "Reaches Preliminary Deal to Upgrade 2 Diesel-Electric Subs". The Diplomat.
  22. ^ Lo Tien-pin and Jonathan Chin (22 May 2018). "Dutch firm's report clears waters for submarine upgrade". Taipei Times.

Bibliography

  • Darman, Peter, ed. (2004). Twenty-first Century Submarines and Warships. Military Handbooks. Rochester: Grange Books. ISBN 1-84013-678-2.
  • Edmonds, Martin; Tsai, Michael M., eds. (2003). Defending Taiwan: The future vision of Taiwan's defence policy and military strategy. Abingdon, Oxon: Routledge. ISBN 0-7007-1739-0.
  • Edmonds, Martin; Tsai, Michael M., eds. (2005). Taiwan’s Maritime Security. New York: Taylor & Francis. ISBN 0-203-98674-1.
  • Tsang, Steve (ed.). Peace and Security Across the Taiwan Strait. New York: Palgrave Macmillan. ISBN 1-4039-3519-X.

Further reading

  • Gardiner, Robert; Chumbley, Stephen; Budzbon, Przemysław, eds. (1995). Conway's All the World's Fighting Ships 1947–1995. Annapolis: Naval Institute Press. ISBN 1-55750-132-7.
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