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The Canadian Coast Guard maintains a fleet of Cape-class motor lifeboats〔 〕 , based on a motor lifeboat design used by the United States Coast Guard. In September 2009 the CCG announced plans to add five new lifeboats, bringing the total number of Cape-class lifeboats to 36. The vessels are staffed by a crew of four, two of whom are rescue specialists.〔 〕〔 〕〔 〕 In spite of its name, the CCGS ''Cape Roger'' is a larger patrol vessel, not a Cape-class lifeboat. The CCG also maintains some larger motor lifeboats based on Arun-class lifeboats designed in the United Kingdom. ==Design== Cape-class motor lifeboats have displacements of and total lengths of and beam lengths of . Constructed from marine-grade aluminium, ships have draught lengths of . They contains two computer-operated Detroit DDEC-III 6V-92TA diesel engines providing a combined 870 shaft horsepower. They have two four-blade propellers, and each ship's complement is four crew members and five passengers.〔 The lifeboats have maximum speeds of and cruising speeds of . Cape-class lifeboats have fuel capacities of and ranges of when cruising.〔 They are capable of operating at wind speeds of and wave heights of . They can tow ships with displacements of up to and can withstand winds and -high breaking waves.〔 Communication options include Raytheon 152 HF-SSB and Motorola Spectra 9000 VHF50W radios, and a Raytheon RAY 430 loudhailer system.〔 The lifeboats also support the Simrad TD-L1550 VHF-FM radio direction finder. Raytheon provides a number of other electronic systems for the lifeboats, including the RAYCHART 620, the ST 30 heading indicator and ST 50 depth indicator, the NAV 398 global positioning system, a RAYPILOT 650 autopilot system, and either the R41X AN or SPS-69 radar systems.〔 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「Cape-class motor lifeboat」の詳細全文を読む スポンサード リンク
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