Page 25 - Data Recorders News Today

The black boxes are found, who gets them? cnn senior correspondent joe johns has more on that from kuala lumpur. >> reporter: over two dozen countries have been involved in the search for the missing plane. any hope of unraveling the mystery in the fate of its 239 passengers and crew rest in two boxes. the flight and data recorders. >> we have very much narrowed down the search area and we are very confident that the signals that we are detecting are from the black box on mh-370. >> reporter: if...

Of the crash, memory hips extracted from the data recorders could still be damaged and might require cleaning until the raw data begins to paint a picture of what happened. >> we still dont know what condition theyre in. and theyve been sitting on bottom of the ocean under extreme pressure for, you know, weeks, perhaps months by the time we get them up. the water could have caused some deterioration of the circuitry. you just need to be careful when you first download it. if you screw it up, you...

Its a bit late in the day for the left hand not to know what the right hand is up to. this far down the road they should be speaking. >> how do we know what to believe? and -- >> i think it is inevitable that there will be some discrepancies in fact. but something as fundamental as this, whether or not they have cleared everybody or not is a little bit basic and those sort of things we shouldnt be hearing about now. if one party is not sure you say i dont know. i dont know. >> lets talk about th...

Data recorders from the crash off brazil, the recorders were found about two years after the crash, long after the pingers had died. underwater vehicles were used to also recover artifacts from the titanic, but before sending the investigators down they have to map the terrain. a step that takes time and requires patience. >> if it is in rocky or cavernous terrain, it can be challenging. but once the wreckage is identified these vehicles and operators have extraordinary capabilities. >> locating...

Happens once theyre finally recovered? our senior correspondent joe johns is joining us from kuala lumpur right now. hes got more. what are you hearing about the fate of that black box or both black boxes once theyre discovered, joe? >> reporter: well, wolf, retrieving information from the black boxes can be a tough job, and for days now, the question has been whos going to do it? now were learning the malaysian government is not planning to try to do all of the work by itself. over two dozen co...

>> we dont have to open up the black box and to analyze what are the contents of the datas, the voice data and the flight data. we have to get experts to do it for us. >> reporter: the u.s. national transportation board as well as other authorities have sophisticated labs and technicians but an international group of experts has been suggested. if they are found, decoding the black boxes could be complicated. the boxes are built to withstand extreme conditions but memory chips extracted from the...

Confidence is there that something will be found on or below the surface. now, the plan at the moment is to continue that search, hope to hear even more pings and narrow the search area down to even further that of course becoming less and less likely with the pinger batteries fading, even by the hour. of course, important to remember, even if say the wreckage or the data recorders were located even today, the recovery phase has a whole new set of challenges, getting the right vehicles in place ...

Kilometers. authorities narrowed it down after analyzing satellite data and four underwater signals detected saturday and tuesday came from that same area. >> tuesdays pings were weaker, adding to concerns, the locator beacons are giving out, if they havent already. >> a first step toward answering the many questions surrounding flight 370 will be finding its flight data recorders. as rosa flores reports, that will require a lot of technology and patience. >> reporter: four times investigators h...

Manmade signal. so we know the data is actually being analyzed right now. the analysis will continue overnight. and if they have something to report, if they can confirm that they think this is also from a black box, we could learn that as early as tomorrow morning. perth time it would be late in the evening on the east coast where you are, john. >> so just to be clear, when they were picking up sthals from the towed pinger located, theyre saying that was in a slightly different frequency as wel...

This morning investigators have found a few more clues they say in the hunt for the jetliner. searchers heard another possible signal from the jets data recorders. also, some fascinating new details on many levels about what happened the night that the plane vanished. malaysian officials say it disappeared from military radar for about 120 nautical miles. they have deduced that it may have disappeared because it dipped to between 4,000 and 5,000 feet. malaysian officials are now also saying that...