page_title: Type 214 submarine
section_title: Republic of Korea
hierarchical_section_title: Type 214 submarine / Operators / Republic of Korea
caption_attribution_description: English: In March 2008 forces from the U.S. and the Republic of Korea launched Key Resolve - an annual joint military exercise focused on the rapid deployment of American troops to the Korean Peninsula.The ROKS Son Won-il (SS 072), a Type 214 submarine, in Busan Naval Base, Republic of Korea.
context_page_description: The Type 214 is a diesel-electric submarine developed by Howaldtswerke-Deutsche Werft GmbH. It features diesel propulsion with an air-independent propulsion system using Siemens polymer electrolyte membrane hydrogen fuel cells. The Type 214 submarine is derived from the Type 212, but as an export variant it lacks some of the classified technologies of its smaller predecessor, the most important of which is probably the non-magnetic steel hull, which makes the Type 212 submarine difficult to detect using a magnetic anomaly detector.
  Due to improvements in the pressure hull materials, the Type 214 can dive nearly 400 meters. It can also carry food, fresh water and fuel for 84 days of operation.
  The Republic of Korea Navy has ordered nine Type 214 submarines, designated as Son Won-Il-class, to be built in Korea by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering; three first batch models had entered service since 2007, and six second batch models will enter service from 2012.
  A contract to build four boats for the Hellenic Navy was signed 15 February 2000 and a fourth unit was ordered in June 2002.
context_section_description: The South Korean Son Won-Il U214-class submarine (Hangul: 손원일급 잠수함, Hanja: 孫元一級潛水艦) is equipped with a SPHINX-D Radar System supplied by Thales Defence Deutschland GmbH. It uses an additional pulse transmitter in the top of the mast. The combination of high power pulse radar and a very low power LPI transmitter is very effective for submarines. During surface operations, the boat sails with an open pulse fingerprint for ESM systems, but within a secret mission the operator switches to LPI mode. The boat remains invisible to others. Total of 9 are planned and 8 are in active duty. South Korea ordered its first three KSS-II/ Type 214 boats in 2000, which were assembled by Hyundai Heavy Industries. The Batch 2 order will add six more submarines to the Navy, to be built by Daewoo Shipbuilding & Marine Engineering.
  In March 2008, it was reported in the media that the first Type 214 submarine of the Republic of Korea Navy suffered from defects related to excessive noise from the screw, according to anonymous sources. Later ROKN denied the report. There were no further reports of such noise problems in succeeding South Korean Type 214 submarines. The first three Type 214 submarines of South Korea were built by Hyundai Heavy Industries. In August 2008, South Korea signed another contract with HDW for six more Type 214 submarines. The Batch 2 order will add six more submarines to the Navy, to be built by Daewoo Shipbuilding & Marine Engineering. Hong Beom-do, a specialized guided missile submarine was launched on 7 April 2016.
caption: ROKS Son Won-il (SS 072), a Type 214 submarine, at Busan Naval Base, Republic of Korea
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