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Coordinate to search and they just systemically go through it and they check off the boxes, if you will. so they know they have covered all of the areas where the wreckage could be. and they just backtrack working back to where the point of impact would be. and then at that point of course where the point of impact is is where they're going to want to get divers and submersibles and get those assets there as quickly as possible to get those all-important cockpit voice recorder and flight data recorder black boxes. >> mary brings up a great point. this water is shallow, this water is only about...

>> well we really don't know. and the recorders hopefully will tell most of the story. but that's why cameras in the cockpit are so important. it will give us an idea a visual idea of the conditions the crew was facing and the actions that they took in regard to trying to safely maneuver the aircraft. and of course again, i underscore the fact that this is an unacceptable amount of time for a rescue to hope to have survivors alive and that's why i'm so for and have always been for these deployable recorders used in the military. >> deborah, we saw the ceo and the president of indonesia speakin...

To get there. murky water. talk about some of those challenges in terms of getting to the actual debris. >> well you've got to find it first of all. well they've done that you've got to find the main debris field, well, mary as elgabtegantly said you'll work backwards until you find it and then you go into the water and start searching. in 447, they found the debris field, they found where the fuselage was. but they still had several months before they could find the black boxes. because after, there was so much time had passed the there water any pings from the locators. which of course only ...

Happen. and i think not finding the aircraft until today, that was another pressure that was operating. but jim raises a good point -- there's a lot of new technology out there. whether it's video in the cockpit to really see what was going on. or recorders, deployable recorders, or simultaneous transmission there's more that can be done to improve safety. >> the flight data recorder the all-important missing piece right now. obviously the priority is recovering the bodies so families can get closure and begin the burial and funeral process. but the flight data recorder is going to provide ans...

Of those recorders. we're looking for really redundant recorders, making sure we have good data both on the cockpit voice recorder and the flight data recorder we're looking for two hours on the cockpit voice recorder and potentially hundreds of parameters on the flight data recorder. they pull those out. the most important thing is really to preserve that evidence. to not damage it. as you're removing it and you're getting it out of the water, making sure you keep it wet so that you don't lose the data that's on there and so that it can be dried in an appropriate manner to be read. >> i know ...