Page 2 - Side Sonar News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Not too distant future. >> the detection brought optimism, but crews are searching in the area on their own borrowed time. >> the guaranteed shelf life of the pinger battery is 30 days, and it is now 33 days since the aircraft went missing. >> investigators say they will only launch the underwater vehicle bluefin after they are certain the batteries are dead. equipped with side sonar, they can launch materials, but it is slow, once found it could take months to recover the boxes. the water in this area can be miles deep. recreational scuba divers only go down about 130 feet. the empire state b...

The time factor in general, we really are doing this backwards which makes it even more extraordinary. what they're going to need to do is work the problem backwards in that once we find or can narrow down an area of boxes then to start looking for the wreckage. you know, we need to be mindful that even if we lose the pinger signal and we continue -- and then end up using the side sonar to start scan for that, the boxes are pretty small. we don't necessarily have to find the box per se right away. but if we can start to find larger pieces of debris that will help us narrow down and understand ...

Search with our sonar, our side sonar is getting a good location to put it in, we get that from finding the black box. we were encouraged a couple days ago. however, we are now very cautious in our optimism because we have not been able to reacquire that signal. >> how often does the black box ping? >> we heard signals coming at about one second intervals. and those are at a very specific frequency. so, the reason we were so encouraged at first was because all the signs did point to pings consistent with what we would expect from a black box. so the pings about at the correct frequency coming ...

Search with our sonar, our side sonar is getting a good location to put it in, we get that from finding the black box. we were encouraged a couple days ago. however, we are now very cautious in our optimism because we have able to reacquire that signal. >> how often does the black box ping? >> we heard signals coming at about one second intervals. and those are at a very specific frequency. so, the reason we were so encouraged at first was because all the signs did point to pings consistent with what we would expect from a black box. so the pings about at the correct frequency coming at about ...

get an exclusive. there is a major political boost tonight for republican presidential hopeful newt gingrich. a surprise announcement by his former rival, herman cain. >> i hereby officially and enthusiastically endorse newt gingrich for president of the united states! >> that was just last hour in palm beach, florida. a new poll shows that newt gingrich could use the help right now, because mitt romney leading gingrich 38% to 29% in a new poll, in a new survey. ron paul and rick santorum lag far behind. i want to go now to cnn exclusive. you're looking at now what happened to romney...