UPDATED: U.S. Coast Guard says sounds and banging noises heard from search area for Titanic submersible
The exact location and source of the sounds was not yet determined, but it allowed searchers to focus on a more narrowly defined area. The full scope of the search was twice the size of Connecticut and 2 1/2 miles deep, said Captain Jamie Frederick of the First Coast Guard District.
After a Canadian military surveillance aircraft detected underwater noises in the search area, a robotic vessel was sent to scour the region but had so far “yielded negative results,” the Coast Guard wrote on Twitter. The report was encouraging to some experts because submarine crews unable to communicate with the surface are taught to bang on their submersible’s hull to be detected by sonar.
Authorities reported the 22-foot carbon-fiber vessel overdue Sunday night, setting off the search in waters about 435 miles south of St. John’s. “If the sounds are coming from below the water indicator then that indicates that they may be alive in the water, but now we’ve got time pressures in getting them up to the surface,” Brown told ABC’s “Good Morning America” Wednesday.
Jeff Karson, a professor emeritus of earth and environmental sciences at Syracuse University, said the temperature is just above freezing, and the vessel is too deep for human divers to get to it. The best chance to reach the submersible could be to use a remotely operated robot on a fiber optic cable, he said.
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