Gumdoksuri-class patrol vessel
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ROKS Hyun Sihak (PKG 718)
|Builders:||Hanjin Heavy Industries, STX|
|Operators:||Republic of Korea Navy|
|Preceded by:||Chamsuri-class patrol vessel|
|In commission:||2008 - present|
|Planned:||PKG-A: 18, PKG-B: 24|
|General characteristics (PKG-A)|
|Displacement:||570 tonnes (561 long tons)|
|Length:||63 m (206 ft 8 in)|
|Beam:||9 m (29 ft 6 in)|
|Speed:||44 knots (81 km/h; 51 mph)|
|Range:||1,998 nmi (3,700 km) at 15 kn (28 km/h; 17 mph)|
|Armor:||defence 7.62×39mm AK-47 in 10m|
|General characteristics (PKG-B)|
|Displacement:||200 tonnes (197 long tons)|
The Gumdoksuri class patrol vessel (Hangul: 검독수리급 고속함) also known as PKG class patrol vessel is a class of patrol ship of the Republic of Korea Navy. One variant is in active service and a smaller variant is planned. The first being the PKX-A or Yun Youngha class missile patrol ship (Hangul: 윤영하급 고속함), and the second the PKX-B class patrol boat (also known as Chamsuri-211 class patrol boat).
The Republic of Korea Navy began development of the PKG class in 2003 after a Chamsuri class (PKM class) patrol boat was sunk during a naval clash with North Korean patrol boats on June 29, 2002. The codenamed PKX (Patrol Killer eXperimental) program is the patrol boat modernization project of the ROK Navy.
The PKX consist of two main designs. The larger, missile armed PKG-A of approximately 500 tons and the smaller gun armed PKG-B of approximately 200 tons. PKG-A is planned to take up some of the operations done by Pohang class corvettes, and the PKG-B is planned to replace the aging Chamsuri-class patrol vessel fleet.
The first PKG-A vessel were ordered from Hanjin Heavy Industries. The lead ship of the class, Yoon Youngha (PKG 711), named after Lieutenant Commander Yoon Youngha who was killed during the second battle of Yeonpyeong, was launched on June 28, 2007 and commissioned on December 17, 2008. The production of the PKG-A are being divided between Hanjin Heavy Industries and STX in lots of four.
Ships in the class
|Yoon Youngha (윤영하)||PKG-711||Hanjin Heavy Industries||28 June 2007||17 December 2008||Active|
|Han Sanggook (한상국)||PKG-712||STX Offshore & Shipbuilding||23 September 2009||14 September 2011||Active|
|Jo Chunhyung (조천형)||PKG-713||STX Offshore & Shipbuilding||23 September 2009||14 September 2011||Active|
|Hwang Dohyun (황도현)||PKG-715||STX Offshore & Shipbuilding||11 December 2009||13 January 2012||Active|
|Suh Hoowon (서후원)||PKG-716||STX Offshore & Shipbuilding||11 December 2009||28 November 2011||Active|
|Park Donghyuk (박동혁)||PKG-717||Hanjin Heavy Industries||28 July 2010||28 November 2011||Active|
|Hyun Sihak (현시학)||PKG-718||Hanjin Heavy Industries||28 July 2010||Active|
|Jung Geungmo (정긍모)||PKG-719||Hanjin Heavy Industries||2 November 2010||19 December 2011||Active|
|Ji Deokchil (지덕칠)||PKG-721||Hanjin Heavy Industries||2 November 2010||23 December 2011||Active|
|Lim Byeongrae (임병래)||PKG-722||STX Offshore & Shipbuilding||20 November 2012||3 September 2013||Active|
|Hong Siuk (홍시욱)||PKG-723||STX Offshore & Shipbuilding||20 November 2012||10 October 2013||Active|
|Hong Daeseon (홍대선)||PKG-725||STX Offshore & Shipbuilding||20 November 2012||4 November 2013||Active|
|Han Munsik (한문식)||PKG-726||Hanjin Heavy Industries||24 April 2013||28 January 2014||Active|
|Kim Changhak (김창학)||PKG-727||Hanjin Heavy Industries||24 April 2013||4 March 2014||Active|
|Park Dongjin (박동진)||PKG-728||Hanjin Heavy Industries||24 April 2013||1 April 2014||Active|
|Kim Soohyun (김수현)||PKG-729||STX Offshore & Shipbuilding||30 April 2014||30 September 2014||Active|
|Lee Byungchul (이병철)||PKG-733||STX Offshore & Shipbuilding||30 April 2014||28 November 2014||Active|
|Jeon Byeongik (전병익)||PKG-732||STX Offshore & Shipbuilding||24 June 2016||2017||Active|
The first 6 ships were named after the sailors of Patrol boat PKM 357, who were killed during the Second Battle of Yeonpyeong in 2002.
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- "Republic of Korea Navy’s PKX High Speed Patrol Boats Powered by Compact GE LM500 Gas Turbines" (PDF). General Electric.
- "STX Engine Raided for Corruption". koreatimes.co.kr.
- "KOREAN COAST GUARD RELIES ON MTU PROPULSION TECHNOLOGY". MTU Friedrichshafen.
- "Doosan Successfully Demonstrates First Product of Waterjet Propulsion System". doosan.com.
- "Navy launches high-speed patrol boat". JoongAng Daily. 2007-06-29. Retrieved 2009-06-14.
- "OPVs offer small navies greater presence". Ship & Boat International. March 2009. Retrieved 2009-06-14.
- 해군, 정긍모함 취역...PKG 개발 문제점 해결