Canadian plane detects sounds in search for missing submersible

A Canadian aircraft detected underwater noises in the area of the missing submersible that was heading for the wreck of the Titanic.

A Royal Canadian Air Force (RCAF) plane involved in a search for a missing submersible headed for the Titanic has detected "underwater noises".

Just after midnight EDT on Wednesday, the U.S. Coast Guard said on Twitter, both underwater and air searches were "relocated in an attempt to explore the origin of the noises." 

It's not clear whether the sounds are linked to the missing submersible.

Search crews are looking for a submersible carrying five passengers that lost contact with its surface ship the Polar Prince early Sunday morning after leaving St. John's, N.L.

The missing vessel is named the Titan and was heading to the 1912 wreckage of the Titanic, which is located about 600 kilometres off the coast of N.L. The tours are owned and operated by OceanGate, a U.S.-based company.

The submersible is carrying Hamish Harding, a billionaire and explorer, Paul-Henry (PH) Nargeolet, a French explorer, Shahzada Dawood and his son Suleman, members of a prominent Pakistani family, and OceanGate CEO and Titan pilot Stockton Rush.

The U.S. and Canadian coast guards and RCAF have crews looking for the vessel that lost contact an hour and 45 minutes into the expedition.