Sohn Won-yil-class submarine
History
South Korea
Name
  • Jeong Ji
  • (정지)
NamesakeJeong Ji
BuilderHyundai
Laid down2004
Launched13 June 2007
Acquired28 November 2008
Commissioned2 December 2008
IdentificationPennant number: SS-073
StatusActive
General characteristics
Class and typeSohn Won-yil-class submarine
Displacement
  • 1,690 t (1,660 long tons) (surfaced)
  • 1,860 t (1,830 long tons) (submerged)
Length65 m (213 ft 3 in)
Beam6.3 m (20 ft 8 in)
Draught6 m (19 ft 8 in)
PropulsionDiesel-electric, fuel cell AIP, low noise skew back propeller
Speed
  • 12 knots (22 km/h; 14 mph) surfaced
  • 20 knots (37 km/h; 23 mph) submerged
Range
  • 12,000 nmi (22,000 km; 14,000 mi) (surfaced)
  • 420 nmi (780 km; 480 mi) at 8 knots (15 km/h; 9.2 mph) (submerged)
  • 1,248 nmi (2,311 km; 1,436 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Endurance84 days
Test depthnearly 400 m (1,300 ft)
Complement5 officers + 22 crew
Armament

ROKS Jeong Ji (SS-073) is the second boat of the Sohn Won-yil-class submarine in the Republic of Korea Navy. She is named after the general, Jeong Ji.

Design

There are media reports that the Sohn Won-yil is equipped with eight 533 mm torpedo tubes, and that South Korea will mount a Korean Tomahawk missile, Hyunmoo-3, with a range of 500 km. It is said that they are also developing versions with a range of 1000 km and 1500 km, but there was no confirmation of whether this version could be mounted on a 533mm torpedo tube. Originally, the American Tomahawk missile was conceptually designed to be launched from a 533mm torpedo tube. Korea has also recently succeeded in localizing it.

The Cheonryong missile with a range of 500 km has been installed in the Sohn Won-yil-class and has been deployed and is in operation.[1]

Germany, which exported the Sohn Won-yil-class (class 214), is using a Type 212 submarine that uses the same AIP system with the same displacement. It has a range of 20 km, and is equipped with four 533 mm torpedo tube, and is capable against air, surface, and submarine targets.

Construction and career

ROKS Jeong Ji was launched on 13 June 2007 by Hyundai Heavy Industries and commissioned on 28 November 2008.[2]

On 20 November 2019, the crew members of the submarine participated in the annual ancestral ritual, salute in front of the statue, and follow in the footsteps of Jeong Ji.[3]

References

  1. ↑ "[단독] 국산 잠대지 미사일 서해 배치...사거리 300km". news.naver.com (in Korean). Retrieved 2021-07-11.
  2. ↑ googletag.display, Defense Industry Daily staff. "South Korea to Order 5 More U-214 AIP Submarines to Bridge to Indigenous Boats". Defense Industry Daily. Retrieved 2021-07-11. {{cite web}}: |last= has generic name (help)
  3. ↑ "해군잠수함사령부, 정지 제독의 호국정신을 이어받겠습니다!". 시사매거진 (in Korean). 2019-11-20. Retrieved 2021-07-11.
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