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CNN Early Start With John Berman and Christine Romans March 24, 2014 08:55:00

One large piece, several small pieces, consistent in theory with the size of maybe a piece of a wing. how important is it to find whatever it is that s out there, alastair? well, first of all, this debris, we don t know that it came from the aircraft. there is a lot of debris floating around in the southern ocean. an oceanographer was telling me this the other day. it s important to get hands on. they have to get the ships down there. i believe they are already, but they ve got to get that that debris field. they ve got to pull these pieces on to deck and they ll be able to identify them almost immediately as being part of an aircraft or not. and until they have that confirmation, there s nothing to say that the aircraft is even in the indian ocean, although i suspect the probabilities, this is a debris field, but they haven t confirmed it yet. until they do so, one must be open-minded. especially in these trade corrors in the ocean. i mean, there s all kinds of junk floating aroun ....

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CNN Chicagoland March 23, 2014 00:49:00

Earth, it would be very much like the deep oceans, it s perpetually dark, it s perpetually cold. the pressures are absolutely crushing. it makes it very difficult for any piece of equipment to work effectively down there. so the sort of cyclonic conditions on the surface, the good news. the bad news is what happens if you really do have to look for something in that part of the ocean, because it s exceedingly technically challenging. alastair, the most interesting thing to me recently is where they re searching. then how difficult it is. many of these waters, many parts of this ocean, uncharted. really undiscovered. people have never seen it. obviously we ve never been to the depths of it. to get people to understand just how difficult it is, just how much water this is, the depths, the different currents, it s almost impossible. i think you said it was like searching for a needle in a haystack. you went beyond that saying, what? on the dark side of the moon, is that correct? right ....

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CNN Chicagoland March 23, 2014 00:50:00

Debris on the surface of the ocean. if you re trying to find debris on the bottom of the abyssal oceans that haystack is on the dark side of the moon. it s a deliberate analogy because we don t know that much about most of the abyssal oceans. it s equivalent to what we know about the dark side of the moon. noaa, national oceans and atmospheric administration, maintains a system of buoys around the world in the oceans that provide realtime data about what s going on in the oceans. and unfortunately that part of the southern indian ocean is one of the worst-covered areas in terms of providing realtime data about ocean conditions. and it s very poorly surveyed on the bottom. and it s a tremendously difficult place to look for anything. alastair and everyone else, stick around because when we come right back we re going to get more of your questions. everything from black boxes to how much this search is costing. that s next. [ male announcer ] we all think about life insurance. ....

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CNN Chicagoland March 23, 2014 00:55:00

Go much higher as the search goes deep into the south indian ocean. but one thing to bear in mind, as long as they are using military assets, those assets already exist. so you re talking about fuel, overtime, all those sort of things. where it will become extremely expensive, although money is not an issue, is if you start having to rent external facilities. things like submersibles and the like. then the costs will go up. at the moment, not an issue. alastair, how much water pressure can a black box endure and can the pressure cause it to malfunction? i would imagine yes. possibly. it all depends on how much damage the black box sustains during any impact it might have experienced. they re really rated when they re manufactured to go to at least 20,000 feet, sometimes more, depending on the model. but that s enough to sustain them at the bottom of the ocean. they should function properly as long as they didn t sustain any damage themselves on the way down. this is for miles o b ....

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CNN Chicagoland March 23, 2014 00:06:00

Shores? it s been two weeks. it seems like an obvious time that we should have something washing up on the beach by now. but that practically speaking isn t how these things go. it s a very large part of the ocean. there aren t a lot of places for the debris to wash up. and sometimes it just takes a really long time. the material that came from the japanese earthquake a couple years ago took almost 18 months before it reached land. and even then it was a tiny fraction of the amount of debris that was originally washed into the ocean, which was estimated to be between 5 million and 8 million pounds of debris. and so it it s entirely possible this stuff will never wash up anywhere. and the fact that it s been two weeks is really not that surprising in that part of the world. and let s talk about really the difficulty that they are facing there. because when you think about it, people say, why aren t the bodies washing up? why aren t they finding in example? when you look at the amo ....

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