Then Economou switched to legal research, renaming his companyH5 in tribute to 18th-century English clockmaker John Harrison, whose fourth chronometer, commonly known as "H4, " enabled modern sea navigation.

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Still, any mapping should improve navigation for modern boats -- and hopefully prevent others from sharing Sir Franklin's fate.

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Modern amenities include leather, navigation, Bluetooth and premium sound.

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But what shocked locals is that this happened on a calm January night, to a modern cruise liner bristling with the latest navigation equipment.

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