Search teams heard noises below the surface whilst searching this morning (Picture: OceanGate Expeditions)
Possible signs of life have been detected by search teams hunting for the missing sub that was heading for the Titanic wreckage.
The vessel, named Titan, lost communication with tour operators on Sunday while about 435 miles south of St John’s, Newfoundland, during a voyage to the shipwreck off the coast of Canada.
Titan has five people on board, including British billionaire adventurer Hamish Harding, and on Tuesday the US Coast Guard estimated the 6.7 metres (22ft) long OceanGate Expeditions vessel had just 40 hours of oxygen left.
The others on board are Shahzada Dawood, his son Suleman and OceanGate’s chief executive and founder Stockton Rush, reportedly together with French submersible pilot Paul-Henry Nargeolet.
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The US Coast Guard on Wednesday morning said: ‘Canadian P-3 aircraft detected underwater noises in the search area. As a result, ROV (remote operating vehicles) operations were relocated in an attempt to explore the origin of the noises.
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‘Those ROV searches have yielded negative results but continue.
‘Additionally, the data from the P-3 aircraft has been shared with our U.S. Navy experts for further analysis which will be considered in future search plans.’
It has just around 40 hours of oxygen left.