(AP) The US Coast Guard says a Canadian aircraft has detected underwater noises during the search for a submersible that vanished while taking five people down to the wreck of the Titanic.

And, when the boat didn't show up, the Canadian Coast Guard (CCG) was alerted ... a Cormorant helicopter and a Hercules fixed-wing aircraft launched a search Thursday, but thick fog hampered ...

Winter search and rescue operations are carried out by both the Canadian and United States ... if required. Aircraft from the Department of National Defence and the United States Coast Guard are also ...

Canadian Coast Guard vessels, aircraft and vessels from other federal sources assisted in the search. Proteau-Beaulieu said the decision to end the search was made Tuesday afternoon. "Such decisions ...