Three different aircraft heard repetitive underwater sounds for 2+ days

After two days of underwater noises, the search area for the missing submarine carrying five passengers to the Titanic wreck has been doubled.

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Deep marine investigator Dr. David Gallo told a British TV program this morning that three aircraft with sensors detected repetitive underwater noises for two days.

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A US Coast Guard officer indicated that while the sounds discovered could narrow the search, their location and source have not yet been confirmed.

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The US Coast Guard said they still hope to save people onboard, but estimations suggest Titan's oxygen would run out by Thursday morning local time.

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New claims also indicate that the vessel's safety was warned about before its disappearance.

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The noises are repetitive, every half hour." Three aircraft simultaneously detected them for two days.

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"They've got to go fully ready as if that was the sub because it takes hours to locate it and get it up to the surface.".

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