Ojika-class patrol vessel

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Japan Coast Guard PL04.JPG
Yahiko (PL-04)
Class overview
NameOjika-class patrol vessel
Operators
Preceded by Nojima
Succeeded by Aso class
Built1990–2000
In commission1991–
Completed7
Active7
Retired1 (in Japanese service)
General characteristics
Type 1,000 ton-class PL [Note 1]
Tonnage1,269  GT [2]
Displacement
  • normal: 1,883 tons [3]
  • full load: 2,006 tons [4]
Length91.5 m (300 ft 2 in) [2]
Beam11.0 m (36 ft 1 in) [2]
Draught3.5 m (11 ft 6 in) [3]
Depth6.4 m (21 ft 0 in) [2]
Propulsion
Speed20.0 knots (37.0 km/h; 23.0 mph) [2]
Range3,000  nmi (5,600 km; 3,500 mi) [2]
Boats & landing
craft carried
Complement34 [2]
Sensors and
processing systems		JMA-1596 navigation radar [2]
Armament

The Ojika-class patrol vessel is a class of PL type patrol vessels of the Japan Coast Guard. [2] [3] [Note 1]

Contents

Design

The design of this class is generally a modified version of Nojima (PL-01), a preceding 1,000-ton class PL being emphasis on air-sea rescue operations. [5]

In contrast to the Nojima, which had a helicopter deck one level higher than the strength deck, this class utilizes the end of the strength deck as the helicopter deck, and has a reinforced structure to land a large Super Puma helicopter. In addition, a well dock was installed below the helicopter deck to accommodate a high speed launch, [5] but it was not efficient as planned and discontinued after the second ship. [6]

The chimney was split into two and placed on both sides of the ship. Between these funnels, a hangar for the ROV and a preparation room for diving operations were set up. [6] With these capabilities to support divers, all ships of this class are officially certified as Patrol Vessel with Enhanced Rescue Capability ( 救難強化巡視船 , Kyūnan-kyōka-junshisen). [2]

Ships in the class

Hull no.Ship nameBuilderCommissionDecommissionFate
PL-02Erimo (former Ojika) Mitsui Engineering & Shipbuilding 31 October 199124 January 2017Transferred to Malaysian Coast Guard as KM Pekan [7] [8]
PL-03Kudaka Hakodate Dock 25 October 1994
PL-04Yahiko (former Satsuma) Sumitomo Heavy Industries 26 October 1995
PL-05Dejima (former Hakata) Ishikawajima-Harima Heavy Industries 26 November 1998
PL-06Kurikoma (former Dejima)Mitsui Engineering & Shipbuilding29 October 1999
PL-07Satsuma Kawasaki Heavy Industries
PL-08Tosa (former Motobu) Sasebo Heavy Industries [ja] 31 October 2000

Notes

  1. 1 2 The hull classification symbol "PL" stands for "Patrol Vessel, Large". [1]

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References

  1. ↑ Asanaga & Ōtsuka 1995, p. 16.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 Kaijin-sha 2020, p. 59.
  3. 1 2 3 Saunders 2009, p. 438.
  4. ↑ Asanaga & Ōtsuka 1995, p. 161.
  5. 1 2 Asanaga & Ōtsuka 1995, pp. 131–132.
  6. 1 2 Mayama, Hasegawa & Sugawara 2003, p. 151.
  7. ↑ Ogilvy, Geryl (25 February 2017). "MMEA plans to set up two radar stations in Sarawak". Toronto Star . Retrieved 25 July 2017.
  8. ↑ "Malaysian Coast Guard To Be Strengthened With Three Patrol Vessels, Japan's Ex-Ojika-Class Boat". defenseworld.net. 25 January 2017. Retrieved 25 July 2017.

Bibliography

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