The Italian investigation into the deadly sinking of the 'unsinkable' Bayesian superyacht could drag on a while. \xa0
New Zealand-born captain James Cutfield is being investigated for possible manslaughter and negligent shipwreck charges. \xa0
He's being advised by two Italian lawyers, and has so far exercised his right to silence. \xa0
Italy correspondent Jo McKenna told Mike Hosking the investigation could take some time, particularly as the yacht needs to be brought to the surface. \xa0
She says before they do that they'll have to secure fuel supplies to ensure there's no leakage, which could take several weeks. \xa0
McKenna says it took 11 months for the captain of the Costa Concordia to be charged. \xa0
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