Page 24 - Pinger News Today : Breaking News, Live Updates & Top Stories | Vimarsana

2,300 miles later. how did he survive? that story tonight. and you have been tweeting us your flight 370 questions by the thousands. we have top aviation and security experts standing by to answer them. like this, could the pinger be buried in silt at the location they are now searching in? can the bluefin locate it in that case? i want to go right to cnn's reporters in the search zone. miguel marquez is in perth. hello to both of you. miguel, i understand there's been a change of today's search plans based on the tropical cyclone. what can you tell us about that? >> yeah, this is something th...

The new ones only work about 80% of the time. so there's a lot of reasons why we might not hear the signal. the pinger only -- you have to be within a mile undert water. that's why they've had such a hard time finding it. this, instantaneously, the new ones, anywhere in the world can be detected by the satellite. the older ones you have you to triangulate in. it takes longer. it would be nice to know from the airline if they were carrying the older one or the n newer, more sophisticated ones. >> we've heard about ebbs tending the battery life on the pinger locators. do you think we're going th...

>> i want to get to mary. could the pinger be buried in silt at the location they are searching now and could the bluefin locate it in that case? >> well, probably, because it will have disturbed the ocean floor and the bluefin sonar pictures, apparently, are very good at detecting anything that isn't natural in nature, sharp edges, right angles, and the black box has a lot of sharp right angles. it's a square box with a pinger located on the front, so i think if it's there, the bluefin will find it. >> all right, karlene, i want to take a look at a question, it says, isn't it a good idea to s...

This is not one man's calculations on the back of an envelope. >> jeff? >> it absolutely is. you can have as many experts as you want, but they're all just making guesses. and there is no certainty in the outcome, except if you look at the bottom. listen, one thing i want to remind you, the towed pinger locator has a range of one mile. if you look at an they're is ten miles across and it's not in that area, it simply does not correspond to a black box pinger. >> go ahead, arthur. >> i said it last night. as much as it pains me, richard is right on spot. and jeff, you're just -- >> not only are...

The bluefin 21 has scanned about half of the area where pings were detected, that could be from the black boxes of the missing boeing 777. >> cnn aviation analyst mary schiavo joins us now. there is a cyclone near the search area. i wonder how much of an effect is the weather going to have on today's search? >> well, it will affect the ability to search. it won't affect the bluefin underwater, deploying other assets or once they get the bluefin out, putting it back down again it could affect that because it may not be safe for the ships. once underwater the bluefin can perform just fine. it sh...