Page 175 - Ping News Today

Airlineratings.com, hes joining us from perth, australia. jeffrey, what are you hearing right now from the search? i take it they are still convinced the pings they detected, the towed pinger, thats the real thing, the locator, if you will, they are working under the assumption that they basically know roughly where those two black boxes are. >> indeed, wolf. theres a very high level of confidence that the signals that the ocean shield got, the two sets of signals they got, are the pinger from t...

Other countries. anything that we can do to narrow this search area to a more defined field will help us tremendously because the next -- so the shift will be from listening to the active search with the sonar. its much harder to search with a sonar, its very slow, methodical and deliberate and takes a lot of time. so, you know, were just happy to have any leads and, you know, this two hours of detection time is something that was encouraging and at least if we dont reacquire it thats okay its s...

Back. >> you can be assured that we are throwing everything at this difficult complex task in these -- at least these next several days, whilst we believe the two pingers involved are still active. >> the underwater drone is collecting dust onboard the ocean shield and it will stay above water, not to be deployed unless they hear another ping. thats what theyre waiting for. because this then has more sonar to find it and hopefully find the wreckage. will ripley is live in perth, 2:00 in the morn...

Its efforts today reducing the size of the search area to about a third of the previous zone. >> and for now investigators will not be sending any submarines to the ocean floor as previously planned. abcs clayton sandell is in perth, australia with the latest of the details. good morning, clayton. >> good morning. >> reporter: weve just got an update from officials here and the headline is this. search teams have not had new contact with those underwater signals they hoped were coming from malay...

What adds to the mystery is the terrain. >> you have valleys. you have gullies. you have mountain ranges. its very much an area as it will miami mic what we have top side. >> reporter: theyre trying to find acoustic pings, the black box. in air sound travels in a straight line, but its not like that in the sea. it can angle and bend up to 90 degrees. that means you cant be exactly sure where the sound is coming from. >> acoustic energy sound through the water is greatly affected by temperature, ...

Islands bay, researchers show us the challenges search crews face as they try to hear the ping from flight 370s data recorder. >> this is a hydrophone. >> reporter: we drop an underwater microphone, a hydrophone, off the back of the boat as it moves farther away from the pinger thats already been submerged. and even less than 100 yards away, the ping starts to fade. distance isnt the only problem out in the indian ocean. there are other noises competing with the sound of the pinger, like sea lif...

Continuous ping, theres tremendous emotional release. >> reporter: with all of the ups and downs of this search, he urges patience. in the air france crash, it spanned over 20 weeks over the course of two weeks before rovs like this one picked up that wreckage. wolf? >> brian todd reporting for us. thanks. lets get more from oceanographer van gurley. van, thanks very much. in that air france 2009 search for the black boxes, they found debris after five days but then two days it took them to find...

Good tuesday morning. search for flight 370 refocusing its efforts today reducing the size of the search area to about a third of the previous zone. >> and for now investigators will not be sending any submarines to the ocean floor as previously planned. abcs clayton sandell is in perth, australia with the latest of the details. good morning, clayton. >> good morning. >> reporter: weve just got an update and the information is this. search teams have not had new contact with those underwater sig...

Youre watching cnn. im brooke baldwin. the u.s. navys tpl is scouring, and now a narrow section of the indian ocean. the search area is smaller thanks to the two possible black box pings which with are now guiding the search. so far, theyve been unable to find another ping. one of the reasons is the ocean is actually such a noisy place. other sounds under the surface could be drowning out any other signals coming from those key data recorders. flores took a pinger out on the water to show us som...

You do get -- it doesnt often tell you much, but it does pull all the strands together of what the investigators know. it sort of pats it up quite nicely, and it allows you to know whats known and whats not known. so, for instance, we should have known more details about what they definitely think on the flight route, what they think on the altitude, on the speed. it should have had a few more details about the inmarsat, and i think we are now getting to the point where legitimately we can say t...