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Republic of Korea Navy - ROKN
Ulsan class Frigate
 
 
ulsan class frigate korean navy rokn roks oto-melara gun dardo ciws harpoon ssm torpedo 07x
  
 07/21
Ships:
Unit Korean Name Builder Launched Commissioned STATUS
Flight I          
FF-951 ROKS Ulsan  울산  Hyundai April 8, 1980 January 1, 1981 decommissioned: December 30, 2014
 FF-952 ROKS Seoul 서울  Hyundai April 24, 1984 December 18, 1984 decommissioned: December 31, 2015
 FF-953 ROKS Chungnam 충남  Hanjin (KSC)  December 10, 1984 July 1, 1985 decommissioned: December 27, 2017
 FF-955 ROKS Masan 마산 Hanjin (KTS) October 26, 1984 August 7, 1985 decommissioned: December 24, 2019
           
Flight II           
 FF-956 ROKS Gyeongbuk 경북 Daewoo January 23, 1986 August 1, 1986 decommissioned: December 24, 2019
           
Flight III          
 FF-957 ROKS Jeonnam 전남 Hyundai April 19, 1988 October 26, 1989 ACTIVE
 FF-958 ROKS Jeju 제주 Daewoo May 3, 1988 December 2, 1989 ACTIVE
 FF-959 ROKS Busan 부산 Hyundai February 20, 1992 November 2, 1992 ACTIVE
 FF-961 ROKS Cheongju 청주 Daewoo March 20, 1992 December 2, 1992 ACTIVE
 
Specifications:
 
Builders:
Hyundai Heavy Industries, Ulsan, RoK
Korea Shipbuilding Corporation (now Hanjin Heavy Industry Co. Ltd.), Busan, RoK
Korea Takoma Shipyard (now Hanjin Heavy Industry Co. Ltd.), Busan, RoK
Daewoo Shipbuilding & Marine Engineering (DSME), Geoje, RoK

Displacement:
1500 tons (empty) / 2180 tons (full load) / Flight II + III 2300 tons (full load)
Length:
102 meters (334.6 feet)
Beam: 11.5 meters (37.7 ft)
Draft: 3.5 meters (11.5 ft)
Speed: 34 knots (63 km/h), max.
Range: 4000 NMI (7400 km) at 16 knots (30 km/h)
Complement: 150

Propulsion:
CODOG
(Combined Diesel or Gas)

2 x General Electric LM2500 gas turbines (58200 hp)
2 x MTU 12V 956 TB82 diesel engines (5940 hp)
2 shafts, 2 propellers
 
Armament:
1-2 x
Oto-Melara 76/62 guns (76mm / 3-inches / 62-caliber)
2 x
Mk.141 quad missile laucher for up to 8 x RGM-84 Harpoon SSM
2 x Mk.32 triple torpedo tubes for Mk.46 torpedoes
3 x Oto-Melara/OtoBreda 40L70 DARDO CIWS (Flight II+III)
4 x Emerson Electric 30mm twin guns (Flight I)
depth charges
 
Aviation:
none
 
Systems:
Signaal DA-05 / DA-08 air+surface search radar
Signaal ZW-06 air search radar (early units) Samsung/Marconi ST-1810 air search radar (later units)
Raytheon AN/SPS-10C navigation radar
Signaal WM-28 fire control radar (early units) / Samsung/Marconi ST-1802 fire control radar (later units)
Signaal LIOD -LIghtweight Optronic Director (early units) / Samsung/Radamec 2400 optronic director system (later units)
Signaal PHS-32 hull-mounted sonar
TB-261K towed sonar
2 x Mark 36 SRBOC chaff/decoy launcher
2 x SLQ-261 torpedo acoustic countermeasures
SLQ-25 Nixie towed torpedo decoy
ULQ-11K ESM/ECM system
Tactical Air Navigation (TACAN)
 
 
The Ulsan class frigate is a class of multi-purpose Frigates of the Republic of Korea.
The ships were built in three flights.

Names:
FF-951 ROKS Ulsan: Ulsan Metropolitan City
FF-952 ROKS Seoul: Seoul City
FF-953 ROKS Chungnam: South Chungcheong Province, also known as Chungnam
FF-955 ROKS Masan: Masan is an administrative region of Changwon, a city in the South Gyeongsang Province
 
FF-956 ROKS Gyeongbuk: North Gyeongsang Province (aka Gyeongsangbuk-do) is a province in eastern South Korea
 
FF-957 ROKS Jeonnam: South Jeolla Province, also known as Jeonnam
FF-958 ROKS Jeju: Jeju Island is the largest island in South Korea
FF-959 ROKS Busan: Busan, formerly romanized as Pusan and officially known as Busan Metropolitan City
FF-961 ROKS Cheongju: Cheongju is the capital and largest city of North Chungcheong Province in South Korea

Decommissioned units - fate:
FF-951 ROKS Ulsan: museum ship in Ulsan city
FF-952 ROKS Seoul: museum ship at Seoul Battleship Park
FF-953 ROKS Chungnam: ?
FF-955 ROKS Masan: part of reserve fleet
FF-956 ROKS Gyeongbuk: part of reserve fleet
 
images

ff-951 roks ulsan class frigate republic of korea navy rokn 02
FF-951 ROKS Ulsan

ff-951 roks ulsan class frigate republic of korea navy rokn 03
FF-951 ROKS Ulsan


ff-952 roks seoul ulsan class frigate republic of korea navy rokn 03
FF-952 ROKS Seoul

ff-952 roks seoul ulsan class frigate republic of korea navy rokn 03b oto melara 76/62 gun 30mm
cutout - armament details: Oto-Melara 76/62 gun / 3 x 30mm twin guns

ff-952 roks seoul ulsan class frigate republic of korea navy rokn 03a rgm-84 harpoon ssm torpedo tubes 30mm gun 76/62
cutout - armament details: tube launcher for RGM-84 Harpoon SSM (2x4) / Mk.32 triple torpedo tubes / 1 x 30mm twin gun / Oto-Melara 76/62 gun

ff-952 roks seoul ulsan class frigate republic of korea navy rokn 04
FF-952 ROKS Seoul

ff-952 roks seoul ulsan class frigate republic of korea navy rokn 02
FF-952 ROKS Seoul

ff-952 roks seoul ulsan class frigate republic of korea navy rokn 05
FF-952 ROKS Seoul


ff-953 roks chungnam ulsan class frigate republic of korea navy rokn 02
FF-953 ROKS Chungnam

ff-953 roks chungnam ulsan class frigate republic of korea navy rokn 03
FF-953 ROKS Chungnam


ff-955 roks masan ulsan class frigate republic of korea navy rokn 02 rgm-84 harpoon ssm missile
FF-955 ROKS Masan fires a RGM-84 Harpoon SSM missile


ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 05
FF-956 ROKS Gyeongbuk

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 05a oto-melara 76/62 gun 40l70 dardo ciws
cutout: Oto-Melara 76/62 gun / Oto-Melara 40L70 DARDO CIWS

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 03
FF-956 ROKS Gyeongbuk

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 04 oto-melara 40l70 dardo ciws
FF-956 ROKS Gyeongbuk firing its Oto-Melara 40mm DARDO CIWS

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 06
FF-956 ROKS Gyeongbuk

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 06a armament
cutout: Oto-Melara 76/62 gun / 2 x Oto-Melara 40L70 DARDO CIWS / RGM-84 Harpoon SSM launcher (2x4) / 2 x Mk.32 triple torpedo tubes / depth charge rack

ff-956 roks gyeongbuk ulsan class frigate republic of korea navy rokn 02
FF-956 ROKS Gyeongbuk


ff-957 roks jeonnam ulsan class frigate republic of korea navy rokn 02
FF-957 ROKS Jeonnam

ff-957 roks jeonnam ulsan class frigate republic of korea navy rokn 03
FF-957 ROKS Jeonnam

ff-957 roks jeonnam ulsan class frigate republic of korea navy rokn 04
FF-957 ROKS Jeonnam


ff-958 roks jeju ulsan class frigate republic of korea navy rokn 07
FF-958 ROKS Jeju

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 07b armament
cutout - armament details: Oto-Melara 76/62 gun / Oto-Melara 40L70 DARDO CIWS

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 07a rgm-84 harpoon ssm torpedo oto melara 40l70 ciws 76/62 gun
cutout - armament details: tube launcher for RGM-84 Harpoon SSM (2x4) / Mk.32 triple torpedo tubes / 2 x Oto-Melara 40L70 DARDO CIWS / Oto-Melara 76/62 gun

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 02 gun fire exercise
FF-958 ROKS Jeju

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 04
FF-958 ROKS Jeju

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 05
FF-958 ROKS Jeju

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 06
FF-958 ROKS Jeju

ff-958 roks jeju ulsan class frigate republic of korea navy rokn 03
FF-958 ROKS Jeju


ff-959 roks busan ulsan class frigate republic of korea navy rokn 03
FF-959 ROKS Busan

ff-959 roks busan ulsan class frigate republic of korea navy rokn 02
FF-959 ROKS Busan


ff-961 roks cheongju ulsan class frigate republic of korea navy rokn 02
FF-961 ROKS Cheongju

ff-961 roks cheongju ulsan class frigate republic of korea navy rokn 04
FF-961 ROKS Cheongju

ff-961 roks cheongju ulsan class frigate republic of korea navy rokn 04a armament oto melara 76/62 gun dardo ciws
cutout: Oto-Melara 76/62 gun / 2 x Oto-Melara 40L70 DARDO CIWS

ff-961 roks cheongju ulsan class frigate republic of korea navy rokn 03
FF-961 ROKS Cheongju
 
 
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