Voice Data Recorders News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Will not be speculating about what may have caused this accident. >> ana, as you point out those voice data recorders could be a big part of the picture here in terms of finding answers the ntsb is looking for. we know the voice data recorder has a 30 day battery life. that is why the focus is able to remain on finding sfiefrs that could be out there. there is time to try and retrieve that voice data recorder. it should be pinging by now. i once it hits the water it should start pinging and it records events that happened 12 hours prior. to so it should have a clear snapshot of what was going ...

Fact. the couple planned to foint find out the baby's genders when he returned him it. and dylan malcolm's family says they are simply trying to remain resilient in the face of such uncertainty. >> we're not giving up. we can't. we can't. we have to -- i don't know if it will ever be clear in our minds but no. nobody's given up yet. >> the ntsb trying to figure out what happened and why. alexander field is with me for the latest on the investigation. and alexandra i up understand the black boxes are key to get the answers. >> they will be. but at this point they are devoting so many of the res...

Ferries do not have data recorders. passenger vessels under certain tonnages are required to have voice data recorders. that's something that's going to need to be looked at to see if this needs to be changed or if they just weren't carrying one if it was required. >> if they have these short distance rules, korean waters, not international waters. do we have the same rule hearse or do we have voyage data recorders on all ships that come in and out of the u.s.? >> well, like i said, it's -- on most passenger vessels of a certain gross tonnage is what they talk about having them. so a lot of sm...

It keeps us out of the way of any obstructions. >> reporter: these types of searches can take months or years but the payoff is high. wreckage that gives clues about what happened, data recorders, and the thing that matters most, the fate of the people on board. >> so the auv narrows your search, it finds the actual wreckage and you step it up with something called an rov, a remote operating vehicle. it's a robot that goes underwater, it has high definition cameras and little hands or claws that would actually help retrieve critical pieces of the wreckage. in this case, of course, those voice ...

Initially. let me ask you this other question i actually didn't know up this disaster and this situation. that voice data recorders are two hours long and they rerecord over themselves after that two hours. who decided that was long enough? >> well, that's a very interesting question. for what it's worth, years ago it used to be only 30 minutes. and i don't honestly know who certified it that way. but the reason they did it was that the majority of accidents tend to happen during landing and during takeoff. and they just assumed that that was going to be the really important information to kno...