Chamsuri-class patrol boat

Chamsuri-class patrol vessels (Hangul: 참수리급 고속정) are naval boats that function as patrol boats. These entered service with the Republic of Korea Navy in the 1970s, and have since seen service with three other navies, of which the Philippine Navy is currently the largest import user.

Chamsuri-class patrol vessel of the Republic of Korea Navy
Class overview
Name: Chamsuri-class patrol boat
Builders:
Operators:
Preceded by: Asheville class
Succeeded by:

Chamsuri-211 class

Gumdoksuri class
Completed: over 100
Active: 52
Lost: 1 (PKM 357) in the Second Battle of Yeonpyeong
Retired: 50
Preserved: 4
General characteristics
Type: Patrol vessel
Displacement: 170 tonnes (167 long tons)
Length: 37 m (121 ft 5 in)
Beam: 7 m (23 ft 0 in)
Draft: 1.7 m (5 ft 7 in)
Propulsion: CODAD, 2 × MTU MD538 TU90 Diesel Engine
Speed: 37 knots (69 km/h; 43 mph)
Range: 7 knots (13 km/h; 8.1 mph)
Complement: 22 or 24
Sensors and
processing systems:		 STX RadarSys SPS-100k surface search radar
Armament:

These boats were built by the Hanjin Industrial SB, Chinhae, and Korea SB & Eng. Masan shipyards.[1]

These boats, also referred to as patrol killer medium "PKM", were built in two batches: the 201 series, and the more heavily armed 301 series. Early PKM 201 series boats were initially armed with one 40 mm/60 Bofors Mk.3, one twin 30 mm/75 Emerlec EX-30, and two 20 mm/70 Mk.10 AA. Late PKM 201 boats were armed with one twin 30 mm/75 Emerlec EX-30, one or two turreted single 20 mm Vulcan Gatlings, and two single 12.7 mm machine guns. The PKM 301 boats were armed with one 40 mm/60 Bofors in a fully enclosed mount, two turreted single 20 mm Vulcan Gatlings, and two single 12.7 mm machine guns (before the Second Battle of Yeonpyeong two single 7.62 mm M60 machine guns). [1]

The Chamsuri-class boats are being retired and replaced by Gumdoksuri-class patrol vessel in the Republic of Korea Navy.

Users
BRP Dioniso Ojeda (PG-117) of the Philippine Navy

In Bangladeshi service

The Bangladesh Navy operates four PKMs. The first two (P1011 and P1012) were transferred from South Korea in 2000. Another two (P1013 & P1014) entered service in 2004.[3]

  • P1011 Titas (ex-PKM-2??)
  • P1012 Kusiyara (ex-PKM-2??)
  • P1013 Chitra (ex-PKM-2??)
  • P1014 Dhansiri (ex-PKM-2??)

In Timorese service

One naval and two coast guard units were transferred by South Korea to the Naval Component of East Timor's F-FDTL in September 2011,[4] apparently on the basis of a transfer agreement signed in Seoul the previous month.[5] They have been rechristened Kamenassa, Dili and Hera, respectively. Sub-class and original pennant numbers are currently unknown.

  • P1?? Kamenassa
  • P1?? Dili
  • P1?? Hera

In Ghanaian service

One vessel was transferred in 2011.

  • P33 (ex PKM 237)

In Kazakh service

Kazakhstan received three PKMs in 2006. These were purchased for a token amount of $100 per ship.[6]

  • RK-031 (ex-PKM-2??)
  • RK-032 (ex-PKM-2??)
  • RK-033 (ex-PKM-233)

In Philippine service

At least eight PKMs were transferred to the Philippines. The first five, PKM 225, 226, 229, 231, and 235, were transferred in 1995. Four were commissioned the following year, with one (ex-PKM 235) cannibalized for spare parts. Another unit was transferred in 1998.[7] An additional two ships, PKM 223 and PKM 232,[8] were acquired in 2006.[9]

PKMs in Philippine Navy service are collectively referred to as the Tomas Batillo class, named after Filipino officers and soldiers who served with distinction during the Korean War. These are listed below:[2]

  • BRP Tomas Batillo (PG-110) (ex-PKM 225) [10]
  • BRP Boni Serrano (PG-111) (ex-PKM 226)
  • BRP Bienvenido Salting (PG-112) (ex-PKM 229)
  • BRP Salvador Abcede (PG-114) (ex-PKM 231)
  • BRP Ramon Aguirre (PG-115) (ex-PKM 235)
  • BRP Nicolas Mahusay (PG-116)[11]
  • BRP Dionisio Ojeda (PG-117) (ex-PKM 232)[12]
  • BRP Emilio Liwanag (PG-118) (ex-PKM 223)[13]
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References
  1. Naval Institute Guide to Combat Fleets of the World. Google Books. 2007-01-05. ISBN 9781591149552. Retrieved 2009-04-14.
  2. "List of commissioned ships". Philippine Fleet Website. Retrieved 2009-03-18.
  3. "Sea Dolphin Class Fast Attack Craft (Gun)". bdmilitary.com. Retrieved 2009-04-14.
  4. "East Timor Naval Force Receives Three Patrol Vessels from South Korea". RP Defense. Retrieved 2011-10-10.
  5. "S Korea hands over decommissioned patrol boats to Timor Leste". Xinhua News (english service). Archived from the original on 2016-03-04. Retrieved 2011-10-10.
  6. "Korea Sells Old Naval Patrol Ships for US$300". The Chosun llbo. 2006-02-27. Archived from the original on 2006-03-16. Retrieved 2009-04-09.
  7. "PKM 200 Sea Dolphin (Wild Cat) class patrol boats". Jane's. Retrieved 2012-08-29.
  8. "Photograph". Yonhap News. Retrieved 2009-04-14.
  9. "Modernization projects". AFP Modernization Office. Retrieved 2009-03-18.
  10. Naval Institute Guide to Combat Fleets of the World. Google Books. 2007-01-05. ISBN 9781591149552. Retrieved 2009-04-09.
  11. "Malaysia-Philippine naval exercises boost border security". Philippine Daily Inquirer. 2008-07-11. Archived from the original on 2008-10-04. Retrieved 2009-04-09.
  12. "Events". Philippine Fleet Website. Retrieved 2009-03-18.
  13. "Patrol gunboat is latest addition to Navy's inventory". Philippine Navy Naval Public Affairs Office. 2011-01-03. Archived from the original on 2012-03-09. Retrieved 2012-08-29.
  • PKM 357 at the War Memorial of Korea
  • PKM 357 bow section
  • PKM 357 mid and Bridge section
  • PKM 357 stern section
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