The Taiwanese navy is planning to build 11 Tou Chiang-class stealth corvettes in three lots and also upgrade the original corvette with 3D radar system and Tien Chien II guided missile system.
The new vessel type is to be longer, wider and will incorporate anti-aircraft capabilities such as "3D radar systems and a ship-to-air version of the Tien Chien II (“Sky Sword”) guided missile system," Taipei Times reported Sunday.
A total of 11 vessels are to be produced in three lots, for a total of 12 ships including the original Tuo Chiang-class corvette, an official said.
The navy plans to begin operating three of the new vessels and make design adjustments where needed before commissioning the subsequent two lots.
The first lot is scheduled to be completed by 2025 at a cost of NT$14.434 billion (US$471.68 million).
Navy contractors are to submit final designs by the end of this month, when final bidding for the contract is also to take place.
The displacement of the upgraded vessels is to increase by about 100 tonnes from the current model’s 567 tonnes. They are also being designed to reach a maximum speed of more than 30 knots (55.56kph), the source said.
The class’ length is to be increased from 60.4m to 65m, while width is to increase from 14m to 15m and draft is to increase from 2.3m to 3m, the official said.
The size increase results in ships of the upgraded class being able to carry more personnel from 41 crew to 53. The decision to upgrade the Tuo Chiang-class corvette was based primarily on a need to improve its anti-aircraft capabilities.
The Tien Chien II missile and 3D radar systems would complement the current model’s Hsiung Feng II and Hsiung Feng III (“Brave Wind”) anti-ship missiles.
“The Hsiung Feng and Tien Chien missile systems can be combined in whatever configuration the mission calls for,” the source added.
The biggest visible change would be to the radar mast, which is to be larger on the upgraded vessels due to the 3D radar system, the source said.
The bridge on the new vessels would be larger than the original’s, with a closed tower-style mast containing the radar system fitted above.