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Aircraft but there's no indication yet of a surface-to air-missile. egypt's minister of aviation said investigators will start working on retrieving information from the black boxes tonight as a russian news agency said investigators found elements in the debris not part of the plane. bill neely joins us live from egypt. can you break this down? >> reporter: yes, kate. i think it's the heat flash that's really significant. the plane at 31,000 feet above it was a u.s. military satellite equipped with infrared. at the very moment of the disaster, it detected this heat flash. a brief, intense exp...

Ocean reality. give me the lowdown on this spot and what the ocean is doing to it. >> well, it all has to be roughly at this point, if you think about it, ashleigh. we're so far removed from the event. all of the calculations go further and further into approximation at this point. but this is why people are excited. because, yes, it is roughly in the right space. it's sort of corresponds with other images that have been captured in the area. when you go into this debris, you mentioned the big pieces. the big pieces are important, but in some ways the smaller pieces and the fact they're in an ...

And this is really the only dramatic moment when he turned to what the black boxes contained. he talked about the cockpit voice recorder, as you will hear from the clip, he calls it the cvr. >> the cvr team is still in the phase of writing the transcripts which will take time to finalize. a noise was heard in the last second of the cvr recording. >> reporter: so he timed the noise at 23 minutes and 14 seconds exactly. that noise will now be analyzed microscopically, because within that noise, and it is obviously didn't last for very long, but within that noise, maybe the clue to the what cause...