David Gallows News Today : Breaking News, Live Updates & Top Stories | Vimarsana

These of course the beacons for the so-called black boxes. the flight data recorder. the crucial equipment that tells -- tells you what happened. and will give investigators an idea what happened on the flight. we also know some good news. that the batteries had recently been changed on one of the pingers. the second one. manufacturers say may have been changed for a competitor's model. but that that shows that they may have the full 30 days. the standard 30 days. that the pingers will be sending out that signal. to show where exact low they are. now of course this is goods now for searchers w...

Will know with great detail the way the current was moving. at different levels. the surface. the mid. the lower levels. they will be able to work out how far. it is likely. we are seeing so much debris. the seats. the body. the portal. the part the window section that we saw. we are seeing so much wreckage. particular area. that now they can do this this modeling to quite a very sharp level of accuracy. that doesn't mean it is going to be that way. it really takes you into the haystack. doesn't take you right to that point of the haystack where the needle is. >> david. several metal objects h...

It has enough oxygen and emergency provisions aboard for people to survive underwater for up to five days. this sub is retired, though but other subs that can go even deeper could be brought into action along with aovs andready to assist. >> i want to bring in david gallows from the woods hole. why don't they just start searching for pings, if the plane is believed to be at the bottom of the sea. wouldn't that be a prudent move so early on? >> yeah it could be prudent except the teams are few and far between. you don't want to burn out a team just having them go out there do busy work. we're t...