The ''Yoon Youngha''-class patrol vessel (
Hangul
The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in North Korea, is the modern official writing system for the Korean language. The let ...
: 윤영하급 미사일고속함) also known as PKG-class patrol vessel is a class of
patrol ship
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...
of the
Republic of Korea Navy
The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy in ...
. 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
The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in North Korea, is the modern official writing system for the Korean language. The let ...
: 윤영하급 고속함), and the second the patrol boat (also known as Chamsuri-211-class patrol boat or Gumdoksuri-class patrol vessel).
Development
The
Republic of Korea Navy
The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy in ...
(ROKN) 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
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and the ...
modernization project of the ROKN.
The PKX consist of two main designs. The larger, missile armed PKX-A(PKG) of approximately 500 tons and the smaller gun armed PKX-B(PKMR) of approximately 200 tons. PKX-A(PKG) is planned to take up some of the operations done by s, and the PKX-B(PKMR) is planned to replace the aging fleet.
The first PKX-A(PKG) vessels were ordered from
Hanjin Heavy Industries
HJ Shipbuilding & Construction Company, Ltd. (Korean: 주식회사 HJ중공업, Hanja: 株式會社HJ重工業), formerly Korea Shipbuilding & Engineering Corporation (Korean: 대한조선공사, Hanja: 大韓造船公社) and Hanjin Heavy Ind ...
. The
lead ship
The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels.
Large ships are very complex and may ...
of the class, ''Yoon Youngha'' (PKG 711), named after Lieutenant Commander Yoon Youngha who was killed during the
second battle of Yeonpyeong
The Battle of Yeongpyeong (or Second Battle of Yeonpyeong) (Korean: 제2 연평해전, ''Je I(2) Yeonpyeong Haejeon'') was a confrontation at sea between North Korean and South Korean patrol boats along a disputed maritime boundary near Yeonpyeon ...
, was
launched on June 28, 2007 and
commissioned on December 17, 2008. The production of the PKX-A(PKG) are being divided between Hanjin Heavy Industries and
STX in lots of four.
The PKX-B variant includes a 130 mm guided rocket launcher at the stern. The first vessel was launched in July 2016 and was commissioned in late 2017; all four ships in the first batch will be delivered by the end of 2019. A contract was awarded to Hanjin Heavy Industries for ships 5 through 8 in June 2017, which are scheduled to be delivered after 2020. The contract for ships 9 through 12 were awarded in early 2018. The PKX-B was specifically designed to counter North Korean fast swarming crafts. The 12-canister 130 mm guided rocket launcher can hit targets between using a rocket weighing with an warhead. Rockets have
GPS
The Global Positioning System (GPS), originally Navstar GPS, is a Radionavigation-satellite service, satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of t ...
/
INS INS or Ins or ''variant'', may refer to:
Places
* Ins, Switzerland, a municipality
* Creech Air Force Base (IATA airport code INS)
* Indonesia, ITF and UNDP code INS
Biology
*'' Ins'', a New World genus of bee flies
* INS, the gene for the insul ...
midcourse guidance with data uplink and terminal
IIR homing, and three can be fired simultaneously.
LIG Nex1 PKX-B 130mm Guided Rocket Launcher to Counter Swarm Attacks
- Navyrecognition.com, 25 October 2017
Ships in the class
* The PKX-A first six ships were named after the sailors of patrol boat ''PKM 357'', who were killed during the Second Battle of Yeonpyeong
The Battle of Yeongpyeong (or Second Battle of Yeonpyeong) (Korean: 제2 연평해전, ''Je I(2) Yeonpyeong Haejeon'') was a confrontation at sea between North Korean and South Korean patrol boats along a disputed maritime boundary near Yeonpyeon ...
in 2002.
* South Korean navies do not use the number '0', '4' when assigning Pennant numbers to their ships. In Korea, there is a superstitious belief that '4' is an unlucky number (much like Friday the 13th
Friday the 13th is considered an unlucky day in Western superstition. It occurs when the 13th day of the month in the Gregorian calendar falls on a Friday, which happens at least once every year but can occur up to three times in the same year. ...
). '0' is also considered as bad luck. There are two exceptions, though - MLS 560 Wonsan and submarines.
See also
* Republic of Korea Navy
The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy in ...
References
{{Republic of Korea Navy ships
Patrol vessels of the Republic of Korea Navy
Patrol boat classes
Ships built in South Korea