Hai Lung-class submarine
ROCS Hai Lung (SS-793)
|Builders:||Rotterdamsche Droogdok Maatschappij|
|Operators:||Republic of China Navy|
|Type:||Conventional attack submarine|
|Length:||66.9 m (219 ft)|
|Beam:||8.4 m (28 ft)|
|Draught:||6.7 m (22 ft)|
|Propulsion:||3 × Bronswerk/Stork-Werkspoor RUB 215x12 diesels; 4050 hp|
|Test depth:||300 m|
|Complement:||67 (8 officers)|
|Sensors and |
The Chien Lung class of submarine, also known as the Hai Lung (Sea Dragon) 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.
Republic of China(Taiwan) ordered two submarines, each based on the Dutch Zwaardvis (Swordfish) design, in September, 1981. 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, the Hai Lung on October 6th and the Hai Hu on December 10th. Sea trials for the Hai Lung began in March, 1987 and the Hai Hu began its sea trials in January, 1988. Both ships were transported to Taiwan on-board a heavy dock vessel. The Hai Hu was commissioned for service on October 9th, 1987 and the Hai Lung followed on April 9th, 1988.
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. 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 Beijing downgraded diplomatic ties with the Dutch.
The Hai Lung-class submarines is based on a improved Zwaardvis-class design. This means that they also make use of the US Navy's teardrop-hull design, which was first 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.
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. In addition, both submarines could be used to block Chinese ports but are unlikely to be capable of countering Beijing's superior submarine fleet.
In 2005, it was reported that the Chien Lung-class submarines would be upgraded to be capable of launching the UGM-84 Harpoon anti-ship missile.The Pentagon 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. 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 32 Harpoon missiles have a range of about 125 kilometers. This is much more than the torpedoes the Republic of China Navy had before, which could only hit targets at shorter distances. The submarines can now attack targets both at sea and on land with Harpoon missiles.
|Sea Dragon (SS-793)||15 December 1982||6 October 1986||9 October 1987|
|Sea Tiger (SS-794)||December 1982||10 December 1986||9 April 1988|
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