Underwater Signals May Be from Missing Plane's Black Box

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There’s new hope in the nearly month-long search for the missing Malaysian airliner.

Officials say one of the ships searching the southern Indian ocean detected underwater signals that sound like flight recorders.

U.S. Navy equipment aboard and Australian ship in the southern Indian Ocean picked up the sounds that may be coming from the plane's black box.

Crews are trying to get an exact location on where the signals are originating. If they are successful, an underwater vehicle will be used to search the debris field.

Authorities say it could take days to determine if the signals are actually coming from the black box.

On Saturday, a Chinese ship detected two separate signals 345 miles away in the Indian ocean. Crews are trying to determine whether those sounds are related to the missing plane.