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Ulsan-class frigate

Ship class of the Republic of Korea Navy

Field	Value
section1	{{Infobox ship/image
image	Port view of ROK ship Kyong Buk (FF 956) near San Diego, CA.jpeg
image_caption	near San Diego, California
section2	{{Infobox ship/class overview
name	Ulsan class
builders	* Hyundai Heavy Industries
operators	*
class_after
total_ships_completed	9
total_ships_active	2
total_ships_retired	5
total_ships_preserved	3
section3	{{Infobox ship/characteristics
type	Frigate
displacement	* 1,500 t (empty)
length	103.7 m
beam	12.5 m
draught	3.8 m
propulsion	* CODOG
speed	35 kn
range	8,000 nmi at 16 kn
complement	186 (16 officers)
sensors	* Fire control system:
EW	* ULQ-11K ESM/ECM suite
armament	* Primary gun:

Korea Shipbuilding Corporation
Korea Tacoma Shipyard
Daewoo Shipyard
2,180 t (full, Batch I)
2,215 t (full, Batch II–III)
2 × GE LM2500 gas turbine engine
2 × MTU 12V 956 TB82 diesel engine
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
2 × Mark 36 SRBOC 6-tubed chaff/flare launcher
2 × 15-tube SLQ-261 torpedo acoustic countermeasures
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 () 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 m in length with a top speed of 34 kn and range of 8000 nmi at 16 kn.

Ships in class

Hull number	Builder	Launched	Delivered	Commissioned	Decommissioned	Operator	Status	Batch I	Batch II	Batch III
FF-951	Hyundai Heavy Industries	last=Jang	first=Hoon	date=2020-03-01	title=울산급 호위함(FF) 1번함 울산함 퇴역식	url=http://www.defensetoday.kr/news/articleView.html?idxno=544	website=Defense Today	language=ko	access-date=2021-12-13}}	30 December 1980	1 January 1981	30 December 2014		Republic of Korea Navy	last=Heo	first=Kwang-moo	date=2017-04-12	url=https://www.yna.co.kr/view/AKR20170412143500057	title='노병, 고향에 안식'…퇴역 울산함, 고래특구 장생포 전시	work=Yonhap News Agency	language=ko	access-date=2022-05-22}}
FF-952	Hyundai Heavy Industries	last=Jang	first=Hoon	date=2020-03-01	title=3척의 해군 퇴역함정 한강공원 망원정에 서울함 공원으로 개장	url=http://www.defensetoday.kr/news/articleView.html?idxno=548	website=Defense Today	language=ko	access-date=2021-12-13}}	15 December 1984	18 December 1984	31 December 2015		Republic of Korea Navy	last=Kim	first=Se-jeong	date=22 November 2017	title=Seoul Battleship Park opens Wednesday	url=https://www.koreatimes.co.kr/www/nation/2017/11/281_239720.html	work=The Korea Times	access-date=23 November 2017}}
FF-953	Korea Shipbuilding Corporation	last=Lee	first=Byung-rok	date=2017-12-29	title=충남함 전역식	url=https://blog.naver.com/palankum/221173310344	website=Naver	language=ko	access-date=2021-12-13}}	30 June 1985	last=Lee	first=Young-jae	date=2017-12-27	title=국산 1세대 전투함 '충남함' 32년 임무 완수하고 전역	url=https://www.yna.co.kr/view/AKR20171227039300014	work=Yonhap News Agency	language=ko	access-date=2021-12-13}}	27 December 2017		Republic of Korea Navy	Used by the Naval Battle Training Group Eight as reserve & training ship. Offered but refused by the Argentine Navy.
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
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.
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
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
FF-959	Hyundai Heavy Industries	20 February 1992		2 November 1992			Republic of Korea Navy	Active
FF-961	Daewoo Shipbuilding & Marine Engineering	20 March 1992		2 December 1992			Republic of Korea Navy	Active

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.

References

Jang, Hoon. (2020-03-01). "울산급 호위함(FF) 1번함 울산함 퇴역식".
Heo, Kwang-moo. (2017-04-12). "'노병, 고향에 안식'…퇴역 울산함, 고래특구 장생포 전시". [[Yonhap News Agency]].
Jang, Hoon. (2020-03-01). "3척의 해군 퇴역함정 한강공원 망원정에 서울함 공원으로 개장".
Kim, Se-jeong. (22 November 2017). "Seoul Battleship Park opens Wednesday". [[The Korea Times]].
Lee, Byung-rok. (2017-12-29). "충남함 전역식".
Lee, Young-jae. (2017-12-27). "국산 1세대 전투함 '충남함' 32년 임무 완수하고 전역". Yonhap News Agency.

Info: Wikipedia Source

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