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HMS ''Protector'' is a Royal Navy ice patrol ship built in Norway in 2001. As MV ''Polarbjørn'' (Norwegian: ''polar bear'') she operated under charter as a polar research icebreaker and a subsea support vessel. In 2011, she was chartered as a temporary replacement for the ice patrol ship, and was purchased outright by the British Ministry of Defence in September 2013. ==Service history (Norway)== An earlier icebreaker ''Polarbjørn'' was bought by Greenpeace in 1995 and renamed .〔(【引用サイトリンク】 title=Ships of the French Southern and Antarctic Territories )〕 ''Polarbjørn'' was designed and built for long Antarctic expeditions and for supporting subsea work.〔(【引用サイトリンク】 title=Polarbjørn )〕 ''Polarbjørn'' was equipped to DP2 class〔 and had accommodation for 100. Large cargo holds and open deck areas provide storage capacity for ROVs and related equipment. A 50-ton knuckle-boom crane and the 25-ton stern A-frame allow equipment to be deployed over the side and over the stern. ''Polarbjørn'' worked in the "spot" market, on short-term charter. During 2009, the vessel was chartered for electromagnetic survey work in the North Sea, Norwegian Sea and Barents Sea. She was exposed to a downturn in business during 2010, with only a 33% utilisation. Prior to the Royal Navy charter, she underwent a ten day refit in Odense, Denmark. The helicopter deck, originally above her bridge, was repositioned over the stern and a multibeam echosounder for survey work was installed. Her engines and gearboxes were overhauled and she was modified to allow the carriage of the ancillary vessels and vehicles (survey boats, all-terrain vehicles) used in support of the British Antarctic Survey. 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「HMS Protector (A173)」の詳細全文を読む スポンサード リンク
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