单项选择题

Whichoneofthelistedrequirementsregardingthelaunchingandrecoveryarrangementsforrescueboatsdoesnotcorrespondtopresentregulations？（）

A.Embarkationandlaunchingarrangementsshallbesuchthattherescueboatcanbeboardedandlaunchedintheshortestpossibletime
B. Launchingshallbepossibleatship’sheadwayspeedupto5knotsincalmweather
C. Rapidrecoveryshallbepossiblewiththeboatsfullcomplimentofpersonsandequipmen
D. ThereleasemechanismshallbeofanautomatictypeapprovedbytheAdministration

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