 PL-01 Oki
| |
| Class overview | |
|---|---|
| Name | Kunigami-class patrol vessel |
| Operators |  Japan Coast Guard |
| Preceded by | Hateruma class |
| Succeeded by | Iwami class |
| Subclasses | Teresa Magbanua class |
| In commission | 2012–present |
| Planned | 21 |
| Building | 1 |
| Completed | 20 |
| Active | 20 |
| General characteristics | |
| Type | PL (Patrol vessel Large) |
| Tonnage | 1,700 GT |
| Length | 96.6 m (316 ft 11 in) |
| Beam | 11.5 m (37 ft 9 in) |
| Draft | 5.2 m (17 ft 1 in) |
| Propulsion |
|
| Speed | 25 knots (46 km/h; 29 mph) |
| Armament | 1 × JM61 20mm gun or Bushmaster II 30mm gun |
The Kunigami-class patrol vessel (くにがみ型巡視船, Kunigami-gata-junnsi-senn) is a class of 1,000 ton-class PL type patrol vessels of the Japan Coast Guard (JCG).
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Transcription
Background
In the 2000s, the JCG was building 1,000-ton class PLs with a high speed planing hull, such as Aso and Hateruma classes. Although these ships were excellent in security missions, they were also unsuitable for rescue missions because of their poor low-speed stability and cruising capacity.[1]
Since the mass retirement of the Shiretoko class was planned in the 2010s, general-purpose ships as replacements were needed. For this purpose, construction of this class was started under the FY2009 supplement budget.[2]
As a result of emphasis on versatility, the price soared, only two ships were built, more reasonable Iwami class was built from the following fiscal year. However, after that, additional construction was done to deploy on the Senkaku Islands in the FY2012 budgets. And construction is continuing from FY 2013 onwards, as construction costs have been reduced due to the mass production effect of this large-scale construction.[2]
Design
Due to the demand for multi-mission capabilities, displacement hull made of steel was adopted. Also, since low-speed stability was required, antiroll tanks was also installed in addition to fin stabilizers. The superstructure is made of aluminium alloy, but the bridge has bulletproofing structure introduced.[3]
A helipad is set on the stern deck. Although there is no hangar, they can supply fuel and electric power to a helicopter on board.[3]
As a main weapon, a JM61-RFS 20 mm rotary gun system with an optical director was installed on the early ships built under the FY2009 and FY2012. And more powerful Bushmaster II 30 mm chain gun system was installed on the late ships built under the FY2013 and following fiscal years.[4]
A variant made for the Philippines is known as the Teresa Magbanua-class patrol vessel.[5]
In service
The 10 Kunigami class ships leading JCG's increased focus on grey-zone challenges along with 2 Hateruma-class patrol vessels has made the base at Ishigaki JCG's largest base, surpassing Yokohama. The ships of FY2012 constitutes the main force of the task force deployed around the Senkaku Islands. And the ships built under the FY2013 and following fiscal years were deployed as replacements of the Shiretoko class.[2][6][7]
Ships in the class
| Pennant no. | Name | Builder | Commissioned | Homeport |
|---|---|---|---|---|
| PL-09 | Kunisaki (former Kunigami) |
Shimonoseki shipyard, Mitsubishi Heavy Industries |
April 27, 2012 | Moji |
| PL-10 | Bukō (former Motobu) |
Yokohama | ||
| PL-81 | Taketomi | September 26, 2014 | Ishigaki | |
| PL-82 | Nagura | |||
| PL-83 | Kabira | November 7, 2014 | ||
| PL-84 | Zampa | February 25, 2015 | ||
| PL-85 | Tarama | Isogo shipyard, Japan Marine United |
November 25, 2015 | |
| PL-86 | Ikema | |||
| PL-87 | Irabu | Tamano Shipyard, Mitsui Engineering & Shipbuilding | ||
| PL-88 | Tokashiki | Shimonoseki shipyard, Mitsubishi Heavy Industries |
February 4, 2016 | |
| PL-89 | Aguni | Tamano Shipyard, Mitsui Engineering & Shipbuilding |
February 24, 2016 | |
| PL-90 | Izena | Shimonoseki shipyard, Mitsubishi Heavy Industries | ||
| PL-11 | Rishiri | October 27, 2016 | Wakkanai | |
| PL-12 | Esan | Otaru | ||
| PL-13 | Motobu | Isogo shipyard, Japan Marine United |
November 29, 2016 | Naha |
| PL-14 | Yonakuni | Tamano Shipyard, Mitsui Engineering & Shipbuilding |
November 25, 2016 | Ishigaki |
| PL-01 | Oki | Shimonoseki shipyard, Mitsubishi Heavy Industries |
February 27, 2017 | Sakaiminato |
| PL-02 | Erimo | Kushiro | ||
| PL-91 | Tsuruga | Isogo shipyard, Japan Marine United |
May 15, 2020 | Tsuruga |
| PL-92 | Echizen | Tamano Shipyard, Mitsui E&S |
July 30, 2020 | Tsuruga |
See also
References
- ^ Equipment and Technology Department of the Japan Coast Guard (July 2016). "Characteristics of JCG new type vessels and their design methods". Ships of the World (840). Kaijin-sha: 142–145.
- ^ a b c "Ships of Japan Coast Guard". Ships of the World (840). Kaijin-sha: 48–49. July 2016.
- ^ a b "Details of Kunigami class new patrol vessels". Ships of the World (762). Kaijin-sha: 10–13. July 2012.
- ^ Nakanomyo, Masami (October 2015). "History of shipboard guns on JCG's patrol vessels". Ships of the World (825). Kaijin-sha: 168–173.
- ^ "Mitsubishi Shipbuilding launches new multi-role response vessel for Philippine Coast Guard". Archived from the original on 2021-07-29. Retrieved 2021-07-29.
- ^ Sato, Yuji (18 October 2016). "The Japan Coast Guard protects the Senkaku Islands to the last". Japan Foreign Policy Forum. Archived from the original on 14 June 2021. Retrieved 14 June 2021.
- ^ Saitō, Katsuhisa (26 April 2021). "The Senkaku Confrontation: Japan's Coast Guard Faces Chinese "Patrol Ships"". Nippon Communications Foundation. Retrieved 14 June 2021.
This page was last edited on 8 April 2024, at 21:49