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How Can a Plane Be Lost?

With satellites crisscrossing the globe and GPS technology available at the touch of a button in everything from cars to cell phones, how did officials any sight of an airplane with 239 passengers on board?   Aviation safety consultant John McGraw says it’s easier than you think.   “People are under the impression that every airplane, even when it’s flying across the ocean, is observed on some kind of radar scope, with a human being looking at that scope," McGraw said....

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