CHI YANG frigates (1971-1974/1992-1998)

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Yi Yang 1999

Ships

Name	No	Builder	Laid down	Launched	Comm	Fate
濟陽 [Chih Yang] (ex-Robert E. Peary)	932	Lockheed, Seattle, USA	20.12.1970	23.6.1971	23.9.1972 // 6.10.1993	stricken 5.2015
鳳陽 [Feng Yang] (ex-Brewton)	933	Avondale, Westwego, USA	2.10.1970	24.7.1971	8.7.1972 // 6.10.1993	in service (2019)
汾陽 [Fen Yang] (ex-Kirk)	934	Avondale, Westwego, USA	4.12.1970	25.9.1971	9.9.1972 // 6.10.1993	in service (2019)
蘭陽 [Lan Yang] (ex-Joseph Hewes)	935	Avondale, Westwego, USA	15.5.1969	7.3.1970	24.4.1971 // 4.8.1995	in service (2019)
海陽 [Hae Yang] (ex-Cook)	936	Avondale, Westwego, USA	20.3.1970	23.1.1971	18.12.1971 // 4.8.1995	stricken 5.2015
淮陽 [Hwai Yang] (ex-Barbey)	937	Avondale, Westwego, USA	5.2.1971	4.12.1971	11.11.1972 // 4.8.1995	in service (2019)
寧陽 [Ning Yang] (ex-Aylwin)	938	Avondale, Westwego, USA	13.11.1969	29.8.1970	18.9.1971 // 18.10.1999	in service (2019)
宜陽 [Yi Yang] (ex-Valdez)	939	Avondale, Westwego, USA	30.6.1972	24.3.1973	27.7.1974 // 18.10.1999	in service (2019)

Technical data

Displacement standard, t	3877
Displacement full, t	4260
Length, m	126.5 wl 134.0 oa
Breadth, m	14.3
Draught, m	7.55 over sonar
No of shafts	1
Machinery	932: Westinghouse geared steam turbine, 2 Babcock & Wilcox boilers 933-939: Westinghouse geared steam turbine, 2 Combustion Engineering boilers
Power, h. p.	35000
Max speed, kts	27
Fuel, t	oil 750
Endurance, nm(kts)	4500(20)
Armament	1 x (2 Harpoon SSM + 6 ASROC ASuR) (4 RGM-84A, 12 RUR-5), 1 x 1 - 127/54 Mk 42 Mod.9, 1 x 6 - 20/76 Mk 15 Phalanx, 4 x 1 - 20/68 T75, 2 x 1 - 12.7/90, 4 - 324 Mk 32 TT (22), 1 helicopter (Hughes MD500)
Electronic equipment	932-936, 938: SPS-64(v)9, SPS-10F, SPS-40B, SPG-53F, Mk 90 radars, SQS-26CX, SQS-35, SQR-18A sonars, SLQ-32(v)1/2 ECM suite, 2x Mk 36 SRBOC decoy RL, T Mk 6 Fanfare torpedo decoy, FFISTS CCS 937, 939: SPS-64(v)9, SPS-67(v)1, SPS-40B, SPG-53F, Mk 90 radars, SQS-26CX, SQS-35, SQR-18A sonars, SLQ-32(v)1/2 ECM suite, 2x Mk 36 SRBOC decoy RL, T Mk 6 Fanfare torpedo decoy, FFISTS CCS
Complement	285

Standard scale images

Chi Yang 2000

Graphics

Yi Yang 1999

Project history

Former USN frigates of Knox class. The first three were transferred on lease on decommissioning from the US Navy 7.8.1992, 23.7.1992 and 6.8.1993 respectively. They arrived at Tsoying 27.9.1993 and were commissioned 6.10.1993. Lan Yang transferred on decommissioning from the US Navy 30.6.1994, while Hae Yang and Hwai Yang were transferred 31.5.1994 and 21.6.1994 respectively; all three left US waters 2.7.1995 and were formally recommissioned 4.8.1995. Permanent transfer by sale for the first six was approved under the US Defense Authorization Act for FY 99. A third group of three was planned for acquisition by sale during 1996; all had been in reserve for several years and needed reactivation refits prior to delivery, and the final arrangement, made in 1998, resulted in the purchase of Ning Yang and Yi Yang 28.4.1998. After activation refits they arrived in Taiwan on 4.10.1999 and were commissioned 18.10.1999.

Modernizations

2005-2009, Feng Yang, Hwai Yang, Ning Yang, Yi Yang; 2016-2017, Fen Yang, Lan Yang: - SPS-40B, SPG-53F radars, SQR-18A sonar, FFISTS CCS; + (2 x 3 + 2 x 2) Standard SM-1MR SSM/SAM (10 RIM-66A), 2 x 1 - 12.7/90, DA-08/2, STIR-1.8 radars, SQR-18A(v)2 sonar, H930 mod.3 CCS

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