Ulsan-class frigate

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Port view of ROK ship Kyong Buk (FF 956) near San Diego, CA.jpeg
ROKS Kyong Buk (FF 956) near San Diego, CA
Class overview
Builders: Hyundai Heavy Industries Co., Ltd., Daewoo Shipbuilding & Marine Engineering Co., Ltd
Succeeded by: Incheon-class frigate
Completed: 9
Active: 7
Retired: 2
General characteristics
Displacement: 2,350 tons
Length: 103.7m
Beam: 12.5m
Draught: 3.8m
Propulsion: CODOG 2 General Electric LM-2500 Diesel Engine, 2 MTU 538 TB 82
Speed: 34 knots
Range: 8,000 at 16 knots
Complement: 186 (16 officers)
Sensors and
processing systems:
  • - Signaal DA-08 air surveillance radar
  • - AN/SPS-10C navigation radar
  • - ST-1802 fire control radar
  • - Signaal PHS-32 hull-mounted sonar
  • - TB-261K towed sonar
Electronic warfare
& decoys:
  • - ULQ-11K ESM/ECM suite
  • - 2 x Mark 36 SRBOC 6-tubed chaff/flare launcher
  • - 2 x 15-tube SLQ-261 torpedo acoustic countermeasures

The Ulsan class frigate (Hangul: 울산급 호위함, Hanja: 蔚山級護衛艦) is a class of multi-purpose Guided Missile Frigates built by Republic of Korea. Presently in use with Republic of Korea Navy and Bangladesh Navy.


The Ulsan class is a light frigate built by Hyundai Heavy Industries Co., Ltd. and Daewoo Shipbuilding & Marine Engineering Co., Ltd. The frigates are 103.7m in length with top speed of 34 knots (63 km/h) and range of 8,000 nautical miles (15,000 km) at 16 knots (30 km/h).

Republic of Korea Navy[edit]

 Name   Number   Builder   Launched   Commissioned   Decommissioned   Status 
Flight I
Ulsan FF-951 Hyundai Heavy Industries 8 April 1980 30 December 1980 30 December 2014 Decommissioned
Seoul FF-952 Hyundai Heavy Industries 24 April 1984 14 December 1985 31 December 2015 Decommissioned
Chungnam FF-953 Busan Korea SEC 26 October 1984 1 June 1986 Active
Masan FF-955 Korea Takoma Shipyard (now Hanjin Heavy Industries) 26 October 1984 20 July 1985 Active
Flight II
Kyeongbuk FF-956 Daewoo Shipbuilding & Marine Engineering 15 January 1986 30 May 1986 Active
Flight III
Jeonnam FF-957 Hyundai Heavy Industries 19 April 1988 17 June 1988 Active
Jeju FF-958 Daewoo Shipbuilding & Marine Engineering 3 May 1988 1 January 1990 Active
Busan FF-959 Hyundai Heavy Industries 20 February 1992 1 January 1993 Active
Cheongju FF-961 Daewoo Shipbuilding & Marine Engineering 20 March 1992 1 June 1993 Active

Bangladesh Navy[edit]

In June 2001, the Bangladesh Navy commissioned a heavily modified Ulsan class frigate as the most modern ship in its fleet and named it BNS Bangabandhu. However, controversy regarding alleged corruption in the procurement process and faulty design led the frigate to be decommissioned for several years. The ship was eventually recommissioned in 2007.

External links[edit]

Ulsan Class Frigate List of naval ship classes in service#Ulsan class frigate
BNS Khalid Bin Walid