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Hai Lung (class)


Diesel-Electric Attack Submarine


Taiwan | 1987



"The Taiwanese Hai Lung-class is made up of ROCS Hai Lung SS-793 and ROCS Hai Hu (SS-794)."



Authored By: Staff Writer | Last Edited: 05/02/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The modern Republic of China (Taiwan) Navy currently (2017) fields just two classes of attack submarine totaling four boats. Two of the group are World War 2-era Tench- and Balao-class diesel-electric types (post-Guppy II conversion) while the other two are more modern, yet Cold War-era relics (based in 1970s submarine design), designated the Hai Lung-class ("Sea Dragon"). The ROCN was arranged in 1950 to protect the small island nation from invasion from mainland China. The Hai Lung-class is made up of ROCS Hai Lung (SS-793) itself and sister-ship ROCS Hai Hu (SS-794). Both were built in The Netherlands by the Dutch in the mid-1980s based on the local Zwaardvis-class standard (four were completed, succeeded by the Walrus-class).

The Hai Lung-class boats were laid down in December of 1982. Hai Lung was launched on October 6th, 1986 and Hai Hu followed that same year on December 10th. The former was commissioned for service on October 9th, 1987 and the latter followed on April 9th, 1988.

In service, these boats operate as diesel-electric-powered attack submarines. They are outfitted with 3 x Bronswerk/Stork-Werkspoor RUB215x12 marine diesels developing 4,050 horsepower. Undersea traveling is made possible by electric generators and a battery supply which requires the boat to surface for periods to recharge these units. Surfaced speeds reach 12 knots while submerged speeds reach up to 20 knots. The hulls are tested down to 300 meter depths. Aboard is the Type 1001 series radar fit and sonar is handled by an Elodone "Octopus" bow-mounted array and the Type 20026 towed array. The crew complement numbers sixty-seven personnel and includes eight officers.

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The boat is armed through 6 x 21" torpedo tubes and carries up to 28 reloads. A 2005 announcement called for plans to upgrade the boat class with UGM-84 "Harpoon" anti-ship missile functionality, broadening their tactical capabilities against surface ships and modernizing the armament suite some. Some 32 missiles were then purchased by the country from the United States based on a 2008 announcement.

Of course the sale of the two original Hai Lung-class boats to Taiwan drew the ire of China and led to a successive order of two additional boats being blocked by the Dutch government under pressure. the Hai Lung-class has limited value in the seas today, outclassed by newer generation submarines and, in particular, out-muscled by the newer-generation nuclear-powered types being fielded (and further developed) by the Chinese Navy. As such, the island nation would still rely on foreign support from the United States Navy should Total War come to Taiwan.

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Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for Hai Lung (class).
Diesel-electric hybrid propulsion scheme: 3 x Bronswerk/Stork-Werkspoor RUB 215x12 marine diesels developing 4,050 horsepower driving 1 x Shaft.
Propulsion
12.0 kts
13.8 mph
Surface Speed
20.0 kts
23.0 mph
Submerged Speed
10,241 nm
11,785 miles | 18,966 km
Range
Structure
The bow-to-stern, port-to-starboard physical qualities of Hai Lung (class).
67
Personnel
Complement
219.0 ft
66.75 meters
O/A Length
28.0 ft
8.53 meters
Beam
22.0 ft
6.71 meters
Draught
2,375
tons
Displacement
2,660
tons
Displacement (Submerged)
Armament
Available supported armament and special-mission equipment featured in the design of Hai Lung (class).
6 x 21" Torpedo tubes in bow (28 reloads) with UGM-84 Harpoon anti-ship missile support.
Ships-in-Class (2)
Notable series variants as part of the Hai Lung (class) family line as relating to the Hai Lung-class (Zwaardvis-class) group.
ROCS Hai Lung (SS-793); ROCS Hai Hu (SS-794)
Operators
Global operator(s) of the Hai Lung (class). Nations are displayed by flag, each linked to their respective national naval warfare listing.
National flag of Taiwan

[ Taiwan ]
1 / 1
Image of the Hai Lung (class)
Image from the Public Domain.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to seaborne requirements.
BLUE WATER SERVICE
SUBMERGED ATTACK
OFFSHORE OPERATION
MARITIME PATROL
FLEET SUPPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
Hai Lung (class) Diesel-Electric Attack Submarine appears in the following collections:
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