Page 9 - Pinger News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Answers, but it is extraordinary to me, you know why are we relying on these pingers after all these years with the technology we have? we know when air france 447, they went right over the wreckage. in the time frame when the pingers should have been working and they heard nothing. we think they failed as david soucie pointed out. obviously, the pinger is doing no good with mh 370 and in this case no black boxes yet. we have to figure out a way to get some of this information, some of this telemetry in the cloud when there is trouble on an aircraft. we shouldn't have to do this. >> and david ...

Really, we don't know if the plane hit the water in one piece. and then broke up upon impact. or it broke up upon hitting the bottom of the sea. so there's a lot of questions still. >> let me get into the black box you just brought up for a moment and go to sean. sean, more than three weeks left on the battery there on that pinger on the black box. with the divers not being able to go in. aircraft being called back and the sloshing there of the shallow water, do you think it's going to be a race against the clock? it's come down to the last couple of days or hours. >> you know, i actually don'...

The critical black boxes from airasia flight 8501. the bat eye ares are designed to last a month but in some cases can actually last longer. they will fade out, not abruptly before they shut off. joining me now is the vice president of teledyne systems. good to see you. are you confident, 23 days life typical battery life of those pingers, are you confident that those searchers will find the black boxes well before that time? >> well there are a couple of things going on. i'm quite confident for a couple reasons. first of all, they have a relatively small search area to localize the tail secti...

Pingers which send out signals under water. it's called the underwater locator beacon in fact on this image. miguel marquez sat down with an expert to find out what it will sound like under water. >> reporter: the search for airasia 8501 narrowing the hunt on for a tiny signal in a turbulent sea. minute pings from a device attached to the flight data recorder. >> a pinger has a specific pulse. it has -- comes at a specific interval and a specific frequency. >> correct. >> reporter: but still hard to find. >> yes, it is. >> reporter: forensic audio expert paul ginsburg has simulated what a ping...

First though the technology that it takes to find the black boxes, miguel marquez has that story. >> reporter: the search for air asha 8501. a pings from the flight data recorder. a pinger has a specific pulse. it comes at a specific interval and frequency. >> correct. >> but still hard to find. >> yes, it is. >> reporter: forensic audio expert paul ginsburg shows what it would sound like with any competing sounds. but said there is plenty keeping for attention at the bottom of the sea. >> a school of fish swimming currents. echoes from the signal bouncing off different rock formations at the ...