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Hatsushima-class minesweeper

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JDS Sakushima
Class overview
NameHatsushima
Builders
Preceded byTakami class
Succeeded byUwajima class
Built1977-1989
In commission1979-2013
Planned23
Completed23
Retired23
General characteristics
TypeMinesweeper
Displacement
Length55 m (180 ftin)
Beam9.4 m (30 ft 10 in)
Draft2.5 m (8 ft 2 in)
Depth4.2 m (13 ft 9 in)
Propulsion
Speed14 kn (26 km/h; 16 mph)
Complement45
Sensors and
processing systems
Armament1 × single Oerlikon 20mm gun

The Hatsushima class is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.[1]

Development

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The Maritime Self-Defense Force has introduced the mine sweeping capability of the Takami class minesweeper developed in the 3rd Defense Build-up Plan by installing the British ASDIC 193 and the ZQS-2 mine detector that introduced the technology. However, in minesweepers such as the same class, immediately after the introduction of mine sweeping technology, mine disposal depended on the underwater diver, and the danger was great.[2]

For this reason, it has become necessary to reduce the risk of mine clearance by using a self-propelled / precursor-type mine disposal tool that is remotely controlled. In response to this, the medium-sized minesweeper in the 4th Defense Build-up Plan was to further improve its sweeping ability, and this type was built by this.[3]

Ships in the class

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Pennant no. Name Builders Laid down Launched Commissioned Decommissioned Home port
MSC-649 Hatsushima Nippon Kokan, Keihin 6 December 1977 30 October 1978 30 March 1979 13 July 2001 Yokosuka
MSC-650 Ninoshima Hitachi Zosen Corporation, Kanagawa 8 May 1978 7 August 1979 19 December 1979 23 May 2002 Kure
MSC-651 Miyajima Nippon Kokan, Keihin 8 November 1978 18 September 1979 29 January 1979 Kure
MSC-652 Enoshima 4 October 1979 26 July 1980 25 December 1980 6 December 1996 Yokosuka
MSC-653 Ukishima Hitachi Zosen Corporation, Kanagawa 15 May 1979 11 July 1980 27 November 1980 12 March 1997 Yokosuka
MSC-654 Oshima 2 June 1980 17 June 1981 26 November 1981 23 March 1998 Ominato
MSC-655 Niijima Nippon Kokan, Keihin 4 August 1980 2 June 1981 4 March 2002 Ominato
MSC-656 Yakushima 15 June 1981 22 June 1982 17 December 1982 16 February 1999 Sasebo
MSC-657 Narushima Hitachi Zosen Corporation, Kanagawa 29 May 1981 7 June 1982 25 June 1999 Sasebo
MSC-658 Chichijima 2 June 1982 13 July 1983 16 December 1983 13 March 2000 Yokosuka
MSC-659 Torishima Nippon Kokan, Keihin 30 June 1982 23 June 1983 1 December 2000 Yokosuka
MSC-660 Hahajima 20 May 1983 27 June 1984 18 December 1984 8 February 2000 Yokosuka
MSC-661 Takashima Hitachi Zosen Corporation, Kanagawa 7 June 1983 18 June 1984 4 June 2001 Kure
MSC-662 Nuwajima 21 May 1984 5 June 1985 12 December 1985 29 May 2002 Kure
MSC-663 Etajima Nippon Kokan, Keihin 22 May 1984 17 June 1985 Kure
MSC-664 Kamishima 10 May 1985 20 June 1986 16 December 1986 16 December 2004 Yokosuka
MSC-665 Himejima Hitachi Zosen Corporation, Kanagawa 16 May 1985 10 June 1986 16 December 2004 Yokosuka
MSC-666 Ogishima 19 December 1986 26 February 2010 Kure
MSC-667 Moroshima Nippon Kokan, Keihin 22 May 1986 9 February 2005 Kure
MSC-668 Yurishima 14 May 1987 13 May 1988 15 December 1988 23 February 2007 Kure
MSC-669 Hikoshima Hitachi Zosen Corporation, Kanagawa 12 May 1987 2 June 1988 11 March 2008 Kure
MSC-670 Awashima 12 May 1988 6 June 1989 13 December 1989 6 March 2009 Yokosuka
MSC-671 Sakushima Nippon Kokan, Keihin 17 May 1988 2 June 1989 21 March 2013 Yokosuka

Citations

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  1. ^ Self-Defense Forces Equipment Yearbook 2006-2007. Asagumo Shimbun. pp. 250–251. ISBN 4-7509-1027-9.
  2. ^ Ohira, Tadashi (October 1990). Mine Disposal Tool (Dissecting Modern Minesweepers), Ships of the World. Vol. 427. Japan: Gaijinsha. pp. 96–99.{{cite book}}: CS1 maint: year (link)
  3. ^ Hirogun, Yosuke (June 2010). History of the Construction of Wooden Minesweepers by the Maritime Self-Defense Force, Ships of the World. Vol. 725. Japan: Gaijinsha. pp. 155–161.{{cite book}}: CS1 maint: year (link)