points they take that make sense if you look to control of a border area. nick patton wash. that s it for us. see you at 11:00. good evening from boston. i am bill weir. we begin with breaking news on the never ending hunt for flight 370. navy s underwater search vehicle aborted its mission. it exceeded its operating depth of just under three miles deep. a built in safety feature returned it to the surface after six hours of data gathering. technicians looking at that data hoping against hope it might present some trace of the plane after a disappointing first search day. revelations about the co-pi lot s cell phone, a u.s. official tells cnn the phone
of the missing malaysian flight. the submarine was unable to complete the first mission, because it has reached maximum operating depth, and it came back to surface and downloaded six hours of data, and found nothing. but they plan to the launch it again. and parents and students are walking through the pennsylvania school that was the scene of mass stabbing that injured 22 people, and classes won t continue until tomorrow at franklin regional school, and students and parents were able to walk down the hallways and in preparation to cope. and some is say that michael jackson jackson s mom should pay more than $800,000 in court fees because of a case she brought in the death of her son. and she lost the lawsuit against
the bluefin 21 and the flight for flight 370. the bluefin reached its depth then automatically turned back when it hit about 2.7 miles down into the ocean. apparently the ocean charts were wrong on land. so explain to us what that means. well, a couple of things. first of all, we should know that the bluefin functioned the tway should operate. all auvs have a maximum operating depth. if they doubelow that they risk collapsing in on themselves. for safe operations they picked that depth as a design criteria. so the issue in the ocean is that the bathinatry is not well understood. the best you have, things called soundings from ship that help you understand what the, the general area, but there are going to be regions that could be deeper. regions that will be more shallow. so the vehicle needs to be able to operate as best it can in that without risking loss.
it was expected to scour the ocean floor for deb british the whole journey lasting 20 hours but instead, the device resurfaced after officials say it exceeded its maximum operating depth of 14,800 feed feet. we just hit a deeper spot than we initially planned, just bring it up, reprogram it, shift a little bit away from that deeper area and adjust our search pattern. meanwhile, a new detail emerging, a u.s. official tells cnn the co-pilot s cell phone was on during the play and made contact with the malaysian cell tower. according to information shared by investigators. that cell phone signal reportedly detected about 30 minutes after the plane made that sharp westward turn, around the time the aircraft disappeared from radar. as far as we new york the bluefin 21 is on board the australian vessel, the ocean
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