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The ''Samuel Beckett''-class OPV is a class of offshore patrol vessels ordered by the Irish Naval Service in October 2010. The first vessel is named the , which is also the name given to the class. Construction on this first vessel commenced in November 2011, and it was commissioned in May 2014. The second vessel was named the and delivered in 2015,〔 with the third to be named and planned for delivery in 2016. ==Background and design== Vard Marine Inc. (formerly STX Marine) designed the vessels, which have features in common with an earlier design, the ''Róisín'' Class, in service with the Irish Naval Service since 1999. The 90 metre OPV vessels are designated PV90 by Babock Marine and approximately 10 metres longer with an additional 0.6m in depth to the existing ''Róisín'' Class PV80 vessels. This is intended to increase both its capabilities and abilities in the rough waters of the North Atlantic. The PV90 ship is designed carry a crew of 44 and have space for up to 10 trainees. The ships' published cruising speed is 16 knots, with a top speed of 23 knots. The New Zealand Navy uses an 85-metre version of the Vard Marine Inc. OPV design referred to as the Protector Class Offshore Patrol Vessel (OPV). This is a modified version of the older Irish Navy Róisín Class PV80 vessels with helideck and hangar incorporated.〔(【引用サイトリンク】title= STX Company presentation to IQPC OPV Asia Conference Apr 2011 )〕 The new ships are designed to carry remotely operated submersibles and a decompression chamber for divers. This is intended to add enhanced capabilities to undertake search and rescue, search and recovery, under sea exploration and increased sea area surveillance. The expanded deck area would also allow the Navy to deploy unmanned surveillance planes for the first time. Features also include Dynamic Positioning systems and "Power Take In Systems" to enable fuel savings as the main engines can be shut down and power sourced from battery storage or a smaller more economical engine.〔 〕 The first new ship was commissioned on 17 May 2014 - to replace which was decommissioned on 20 September 2013. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Samuel Beckett-class OPV」の詳細全文を読む スポンサード リンク
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