Chamsuri-class patrol boat

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2010. 7. 동해 한미연합 훈련 Rep. of Korea Navy korea us combine training (7554655104).jpg
Chamsuri-class patrol vessel of the Republic of Korea Navy
Class overview
Name: Chamsuri-class patrol boat
Preceded by: Asheville-class gunboat
Succeeded by:

Chamsuri-211 class patrol boat

Gumdoksuri-class patrol vessel
Completed: over 100
Active: 52
Lost: 1 PKM 357 in 2nd yeonpyong sea battle
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

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

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 Bofors 60-cal Mk.3, one twin 30-mm 75-cal Emerlec EX-30, and two 20-mm 70-cal. Mk. 10 AA. Late PKM 201 boats were armed with one twin 30mm 75-cal Emerlec EX-30 AA, one or two single 20-mm Vulcan gatling AA, and two single 12.7-mm machine guns. The PKM 301 boats were armed with one 40mm 60-cal Bofors AA in a fully enclosed mount, two single 20-mm Vulcan gatling AA, and two single 12.7mm machine guns(before 2nd yeonpyeong sea battle 2×M60 .30cal machinegun.[1]

The Chamsuri class boats are slowly being retired and replaced by Gumdoksuri-class patrol vessel in South Korean Navy.


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

In Bangladeshi service[edit]

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[edit]

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[edit]

One vessel was transferred in 2011.

  • P33 (ex PKM 237)

In Kazakh service[edit]

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[edit]

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]

See also[edit]


  1. ^ a b Naval Institute Guide to Combat Fleets of the World. Google Books. 2007-01-05. Retrieved 2009-04-14. 
  2. ^ a b "List of commissioned ships". Philippine Fleet Website. Retrieved 2009-03-18. 
  3. ^ "Sea Dolphin Class Fast Attack Craft (Gun)". 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). Retrieved 2011-10-10. 
  6. ^ "Korea Sells Old Naval Patrol Ships for US$300". The Chosun llbo. 2006-02-27. 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. 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. Retrieved 2012-08-29. 

External links[edit]