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The Bay class is a class of eight armed patrol boats, built by Austal Ships and used by the Customs Marine Unit of the Australian Customs and Border Protection Service. They entered service during the late 1990s and early 2000s, and are primarily used on border protection duties. The class was due to be replaced by 2010, but a request for tender was not issued until June of that year. The availability of the Bay class ships decreased during the later years of their service life. After the Cape class began entering service, four of the Bays were offered to other forces; two each to the Sri Lankan Navy and the Malaysian Maritime Enforcement Agency. ==Design and construction== Bay class vessels have a displacement of 134 tons, are long, have a beam of , and a draught of .〔 The propulsion system consists of two MTU 16V 2000 M70 diesels, supplemented by a VosperThornycroft bow thruster.〔 The patrol boats have a maximum speed of , and a maximum range of .〔 Each vessel is fitted with a 7.62 mm general purpose machine gun, and two Wiltrading Pursuit 640 vessels are carried for boarding operations.〔〔 The sensor suite consists of a Racal Decca surface search radar operating in the E/F and I bands, and a Wesmar SS 390E dipping sonar.〔 A Bay class vessel has a crew of 12.〔 The Bay class was built by Austal Ships.〔Australian Customs Service, ''Customs Maritime Unit''〕 The eight ships were delivered over a period of 19 months, beginning in February 1999.〔 The Bay class design was used as the basis for the 14 larger ''Armidale'' class patrol boats in use with the Royal Australian Navy,〔Tenix, ''Tenix shortlisted for Patrol Boat tender'', "(Maritime Services, partnering with Austal ) is offering a stretched version of the Austal designed Bay Class Patrol Boat that is currently in service with Australian Customs."〕 and the 10 patrol boats used by the Yemen Navy.〔Austal, ''Austal to Build 10 Naval Patrol Boats for Yemen'', "The all-aluminium patrol boat design selected by Yemen is a slightly less complex version of Austal's 38 metre Bay Class design..."〕 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「Bay-class patrol boat」の詳細全文を読む スポンサード リンク
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