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ROCS Tzu I (FFG-1107)
Career (Republic of China)
Name: ROCS Tzu I (FFG-1107)
Builder: China Shipbuilding Corp.,
Kaohsiung, Taiwan, ROC
Laid down: 7 August 1994
Launched: 13 July 1995
Commissioned: 9 January 1997
Status: in active service, as of 2022
General characteristics
Class & type: Cheng Kung-class frigate
Displacement: 4,103 tons full
Length: 453 ft (138 m)
Beam: 46.95 ft (14.31 m)
Propulsion: General Electric LM2500-30 gas turbines, 40,000 shp total
Speed: 29 knots
Complement: 18 officers
180 enlisted
19 flight crew
Sensors and
processing systems:
AN/SPS-49 air search radar
SPS-55 surface search radar
CAS, STIR gun fire control radar
SQS-56 sonar
Electronic warfare
& decoys:
Armament: 40 × SM-1MR at Mk 13 Missile Launcher
4 × Hsiung Feng II and 4 HF-3 supersonic AShM
1 × OTO Melara 76 mm naval gun
2 × Bofors 40mm/L70mm guns
1 × 20 mm Phalanx CIWS
2 × triple Mark 32 ASW torpedo tubes with Mark 46 anti-submarine torpedoes
Aircraft carried: Sikorsky S-70C-1/2

ROCS Tzu I (子儀, FFG-1107) is the fifth of eight Taiwanese-built Cheng Kung-class frigates of the Republic of China Navy, based on the Oliver Hazard Perry class. Laid down on 7 August 1994 and launched on 13 July 1995, Tzu I was commissioned in service in January 1997. The Cheng Kung-class frigates have the same length as the later Oliver Hazard Perry frigates, but have a different weapon and electronics fit.

Like her sister ships, Tzu I was built under license by China SB Corp. at Kaohsiung City, Taiwan, ROC.

As of 2015, Tzu I is homeported at Tso-Ying naval base.


Tzu I is named after Kuo Tzu-I (郭子儀) (697 - 781), a famous general of the Tang Dynasty. He was famous for ending the Anshi Rebellion, and leading expeditions against the Huihe (Uyghurs) and Tubo (Tibetans) incursions into Tang territory.

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