ROKS Gyeongbuk near San Diego, California
Class overview
NameUlsan class
Builders
Operators
Succeeded byIncheon class
Completed9
Active2
Retired5
Preserved3
General characteristics
TypeFrigate
Displacement
  • 1,500 t (empty)
  • 2,180 t (full, Batch I)
  • 2,215 t (full, Batch II–III)
Length103.7 m (340 ft 3 in)
Beam12.5 m (41 ft 0 in)
Draught3.8 m (12 ft 6 in)
Propulsion
Speed35 knots (65 km/h; 40 mph)
Range8,000 nmi (15,000 km; 9,200 mi) at 16 knots (30 km/h; 18 mph)
Complement186 (16 officers)
Sensors and
processing systems
  • Fire control system:
  • Signaal SEWACO ZK (Batch I–II)
  • Samsung/Ferranti WSA-423 (Batch III)
  • 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 × Mark 36 SRBOC 6-tubed chaff/flare launcher
  • 2 × 15-tube SLQ-261 torpedo acoustic countermeasures
Armament

The Ulsan-class frigate (Hangul: 울산급 호위함, Hanja: 蔚山級護衛艦) is the high-end complement of the high-low mix domestic naval construction plan of the Republic of Korea Navy under the 1st Yulgok Project (1974–1986) for the Republic of Korea Armed Forces.

Design

The Ulsan class is a light frigate built by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering. The frigates are 103.7 metres (340 ft 3 in) in length with a top speed of 34 knots (63 km/h; 39 mph) and range of 8,000 nautical miles (15,000 km; 9,200 mi) at 16 knots (30 km/h; 18 mph).

Ships in class

Name Hull number Builder Launched Delivered Commissioned Decommissioned Operator Status
Batch I
ROKS Ulsan FF-951 Hyundai Heavy Industries 8 April 1980[1] 30 December 1980[1] 1 January 1981[1] 30 December 2014[1] Republic of Korea Navy Decommissioned.[1] Used as a museum ship in Ulsan.[2]
ROKS Seoul FF-952 Hyundai Heavy Industries 24 April 1984[3] 15 December 1984[3] 18 December 1984[3] 31 December 2015[3] Republic of Korea Navy Decommissioned.[3] Used as a museum ship in Seoul.[4]
ROKS Chungnam FF-953 Korea Shipbuilding Corporation 14 September 1984[5] 30 June 1985[5] 1 July 1985[6] 27 December 2017[6] Republic of Korea Navy Used by the Naval Battle Training Group Eight as reserve & training ship.[6] Offered but refused by the Argentine Navy.
ROKS Masan FF-955 Korea Tacoma Shipyard 26 October 1984 30 July 1985 7 August 1985 24 December 2019 Republic of Korea Navy Museum ship on Gangwha Island
Batch II
ROKS Gyeongbuk FF-956 Daewoo Shipbuilding 23 January 1986 1 August 1986 24 December 2019 Republic of Korea Navy Used by the Naval Battle Training Group Eight as reserve & training ship.
Batch III
ROKS Jeonnam FF-957 Hyundai Heavy Industries 19 April 1988 26 October 1989 30 December 2022 Republic of Korea Navy Decommissioned, held in Reserve as possible training ship or for Foreign Sales/Donation
ROKS Jeju FF-958 Daewoo Shipbuilding & Marine Engineering 3 May 1988 2 December 1989 30 December 2022 Republic of Korea Navy Decommissioned, held in Reserve as possible training ship or for Foreign Sales/Donation
ROKS Busan FF-959 Hyundai Heavy Industries 20 February 1992 2 November 1992 Republic of Korea Navy Active
ROKS Cheongju FF-961 Daewoo Shipbuilding & Marine Engineering 20 March 1992 2 December 1992 Republic of Korea Navy Active

Foreign variant

Bangladesh Navy

BNS Bangabandhu

In June 2001, the Bangladesh Navy commissioned a frigate based on the Ulsan-class frigate but the design was heavily modified. She is the most modern ship in her fleet.

See also

References

  1. 1 2 3 4 5 Jang, Hoon (1 March 2020). "울산급 호위함(FF) 1번함 울산함 퇴역식". Defense Today (in Korean). Retrieved 13 December 2021.
  2. Heo, Kwang-moo (12 April 2017). "'노병, 고향에 안식'…퇴역 울산함, 고래특구 장생포 전시". Yonhap News Agency (in Korean). Retrieved 22 May 2022.
  3. 1 2 3 4 5 Jang, Hoon (1 March 2020). "3척의 해군 퇴역함정 한강공원 망원정에 서울함 공원으로 개장". Defense Today (in Korean). Retrieved 13 December 2021.
  4. Kim, Se-jeong (22 November 2017). "Seoul Battleship Park opens Wednesday". The Korea Times. Retrieved 23 November 2017.
  5. 1 2 Lee, Byung-rok (29 December 2017). "충남함 전역식". Naver (in Korean). Retrieved 13 December 2021.
  6. 1 2 3 Lee, Young-jae (27 December 2017). "국산 1세대 전투함 '충남함' 32년 임무 완수하고 전역". Yonhap News Agency (in Korean). Retrieved 13 December 2021.
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