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ROKS Gyeongbuk near San Diego, California
Class overview
Name	Ulsan class
Builders	Hyundai Heavy Industries Korea Shipbuilding Corporation Korea Tacoma Shipyard Daewoo Shipyard
Operators	Republic of Korea Navy  Bangladesh Navy
Succeeded by	Incheon class
Completed	9
Active	2
Retired	5
Preserved	3
General characteristics
Type	Frigate
Displacement	1,500 t (empty) 2,180 t (full, Batch I) 2,215 t (full, Batch II–III)
Length	103.7 m (340 ft 3 in)
Beam	12.5 m (41 ft 0 in)
Draught	3.8 m (12 ft 6 in)
Propulsion	CODOG 2 × GE LM2500 gas turbine engine 2 × MTU 12V 956 TB82 diesel engine
Speed	35 knots (65 km/h; 40 mph)
Range	8,000 nmi (15,000 km; 9,200 mi) at 16 knots (30 km/h; 18 mph)
Complement	186 (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	Primary gun: 2 × OTO Melara 76 mm/62 cannon Secondary gun: 4 × Emerson EMERLEC 30 twin Oerlikon 30 mm/75 KCB cannon (Batch I) 3 × Breda DARDO CIWS twin Bofors 40 mm/70 cannon (Batch II–III) Anti-ship: 2 × 4 RGM-84C Harpoon SSM Anti-submarine: 2 × triple Mark 32 SVTT loaded with Mark 46 ASW torpedo, or K745 Blue Shark ASW torpedo (after 2006) 12 × Mk 9 or KMk 9 depth charge

The Ulsan-class frigate (Korean: 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

Foreign variant

Bangladesh Navy

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.

• BNS Bangabandhu

See also

• List of active Republic of Korea Navy ships
• List of naval ship classes in service

References

1. ^ 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. ^ 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. ^ Lee, Byung-rok (29 December 2017). "충남함 전역식". Naver (in Korean). Retrieved 13 December 2021.
6. ^ Lee, Young-jae (27 December 2017). "국산 1세대 전투함 '충남함' 32년 임무 완수하고 전역". Yonhap News Agency (in Korean). Retrieved 13 December 2021.

External links

v t e Ulsan-class frigates
Republic of Korea Navy	Ulsan Seoul Chungnam Masan Gyeongbuk Jeonnam Jeju Busan Cheongju
Bangladesh Navy	Bangabandhu
Preceded by: Pohang class Followed by: Incheon class
List of frigates of the Republic of Korea Navy

v t e   Commissioned ships of the Republic of Korea Navy
Submarines	Dosan Ahn Changho-class SS Dosan Ahn Changho Ahn Mu Shin Chae-ho Sohn Won-yil-class SS Sohn Won-yil Jeong Ji An Jung-geun Kim Jwa-jin Yun Bong-gil Yu Gwan-sun Hong Beom-do Lee Beom-seok Shin Dol-seok Jang Bogo-class SS Jang Bogo Yi Cheon Choe Museon Park Wi Lee Jongmoo Jung Woon Yi Sun-sin Na Dae-yong Yi Eokgi Dolgorae-class SSM Dolgorae 051 Dolgorae 052 Dolgorae 053
Destroyers	Sejong the Great-class DDG Sejong the Great Yulgok Yi I Seoae Ryu Seong-ryong Jeongjo the Great Chungmugong Yi Sun-sin-class DDH Chungmugong Yi Sun-sin Munmu the Great Dae Jo-yeong Wang Geon Gang Gam-chan Choe Yeong Gwanggaeto the Great-class DDH Gwanggaeto the Great Eulji Mundeok Yang Man-chun
Frigates	Daegu-class FFG Daegu Gyeongnam Seoul Donghae Daejeon Pohang Cheonan Chuncheon Incheon-class FFG Incheon Gyeonggi Jeonbuk Gangwon Chungbuk Gwangju Ulsan-class FF Chungnam Masan Gyeongbuk Jeonnam Jeju Busan Cheongju
Corvettes	Pohang-class PCC Jinhae Wonju Andong Bucheon Seongnam Jecheon Daecheon Sokcho Yeongju Namwon Gwangmyeong Sinseong Gongju
Patrol vessels	Yoon Youngha-class PKG Yoon Youngha Han Sanggook Jo Chunhyung Hwang Dohyun Suh Hoowon Park Donghyuk Jung Geungmo Ji Deokchil Lim Byeongrae Hong Siuk Hong Daeseon Han Munsik Kim Changhak Park Dongjin Kim Soohyun Jeon Byeongik Lee Byungchul Chamsuri 211-class PKMR Chamsuri 211 - 229 Chamsuri-class PKM Chamsuri 298 - 375
Amphibious warfare ships	Dokdo-class LPH Dokdo Marado Cheon Wang Bong-class LST Cheonwangbong Cheonjabong Ilchulbong Nojeokbong Go Jun Bong-class LST Gojunbong Birobong Hyangnobong Seonginbong Solgae 631-class LSF Solgae 631 Solgae 632 Solgae 633 Solgae 635 Solgae 621-class LSF Solgae 621 Solgae 622 Solgae 623
Mine warfare ships	Nampo-class MLS Nampo Wonsan-class MLS Wonsan Yangyang-class MSH Yangyang Ongjin Haenam Ganggyeong-class MHC Ganggyeong Gangjin Goryeong Gimpo Gochang Gimhwa
Auxiliary ships	Soyang-class AOE Soyang Cheonji-class AOE Cheonji Daecheong Hwacheon Pyeongtaek-class ATS Pyeongtaek Gwangyang Tongyeong Cheonghaejin-class ASR Cheonghaejin Singiwon-class AGS Singiwon Sinsegi-class AGS Sinsegi Dadohae-class ASL Dadohae Mulgae 87-class LCU Mulgae 87 - 91 Mulgae 79-class LCU/L Mulgae 83 - 86

• Ulsan-class frigates
• Frigate classes
• ADD research and development projects