‘Banging sounds’ heard in search for Titanic tourist sub
An aircraft equipped with underwater search technology has detected periodic banging sounds in the area where rescuers are searching for the lost Titanic submersible with five people on board. The tourist sub went missing on Sunday on what was meant to be an eight-hour trip to view the Titanic shipwreck 12,500 feet (3,800 meters) below the ocean, about 435 miles (700 kilometers) off the coast of Newfoundland. The underwater vehicle only has enough oxygen for about 96 hours, so time is running out for those on board....