Wasnt Debris News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Me just like an emergency locator beacon. >> reporter: search crews are cautiously optimistic. >> certainly we're jumping to conclusions here. we need to reacquire the signal to confirm that it is the aircraft. >> reporter: the task now? the "ocean shield" is trying to find the signal again and hoping for confirmation. if the ping is detected again, crews will launch this underwater drone. it can scan the ocean water and take photos of any potential debris. at the same time, 375 miles away, chinese ships and the british "hms echo" are trying to confirm pings that the chinese briefly detected o...

Chinese crew which used a hydrophone for what could be the black boxes. with this breakthrough coming on the very last day of battery life, is it too good to be true? >> what i find still odd is the fact that we don't have an associated debris field. you don't have smoke without fire. we've never had a crash investigation where black boxes were found without debris. >> there is fleeting signals that the chinese picked up. for instance, how could a relatively rudimentary detect for, this one costing no more than $16,000, pick up pulses miles deep? it's technically possible but not likely. >> re...

>> i want you to listen to mark matthews who is overseeing operations on the "ocean shield." he talked to cnn about the confirmation process of these pings. >> what i'd like to do before i say with certainty that it's the aircraft, one, reacquire the signal, two, deploy the autonomous underwater vehicle to map the debris field and take photographs of what would be the wreckage. >> so some real caution there. tim, what could these pings be other than the black box? i think the whole world and certainly our viewers have had an education of how much garbage is noting with all of the false positiv...

It were only going one mile an hour, at this amount of time, it could be 750, 800 miles an hour. that essentially separates this area from the event down below, wherever the plane is. so if you find what is down below, that doesn't necessarily connect you to something up above. if you find something up above, it may not connect to something below. could it still be the picker locators and you have nothing on the surface? sure. there may not be debris on the surface. but the converse is also true. if you find debris on the surface, that may not at this point tell you anything about where the de...

Is strange acoustic properties underneath the water, which might be, it has to be somewhere near the target. >> and tom, as i know you know, some white objects were seen floating i think 50, 60 miles away from where the chinese detected their sound. at this point, how important is the search for the debris or is the thought that the debris is all gone? >> i think the debris is still important in that it tells you for sure that the plane crashed if you find it. but look at this and think about this. if you were to look at the water as two different layers, there is the top layer where so much o...