A Canadian military surveillance aircraft detected underwater noises as a massive operation searched early Wednesday in a remote part of the North Atlantic for a submersible that vanished while taking five people down to the wreck of the Titanic. A statement from the U.S. Coast Guard did not elaborate on what rescuers believed the noises could be, though it offered a glimmer of hope for those lost aboard the Titan as estimates suggest as little as a day's worth of oxygen could be left if the vessel is still functioning. For more: https://www.wtsp.com/article/news/nation-world/canadian-aircraft-underwater-noises-titanic-sub-search/507-e1f2f227-552a-49e3-9690-d93853da6e6b ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay