the fbi s conducted many, many, many worldwide investigations and has a lot of expertise. and quite frankly, getting to those files is very important to see if this pilot practiced certain procedures or if he practiced waypoints that were along his route. we could learn a lot. or we could learn nothing. a match between a chinese satellite and an australian satellite, both finding wreckage. the wreckage checks out about the same size. 1,500 miles to the southwest of australia. is this satellite match cause for optimism, or is this just a derelict shipping container
the fbi s conducted many, many, many worldwide investigations and has a lot of expertise. and quite frankly, getting to those files is very important to see if this pilot practiced certain procedures or if he practiced waypoints that were along his route. we could learn a lot. or we could learn nothing. a match between a chinese satellite and an australian satellite, both finding wreckage. the wreckage checks out about the same size. 1,500 miles to the southwest of australia. is this satellite match cause for optimism, or is this just a derelict shipping container
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as a piece of a plane. but, it could be something as small as a seat cushion or a life vest. finding wreckage is like finding the needle in the hay stack. if only they could find the hay stack. that s a sonar buoy. correct. reporter: these devices are deployed in the indian ocean to monitor sounds and map the wind and ocean currents in hopes of narrowing down the search area. it has to fly in straight lines at 1,000 feet. at this height, a fishing boat can be obscured. this boat is about the same length as that piece of debris spotted on satellite. that could be missed, right in. absolutely. i would estimate it as 80 feet long or so. you can see the wave action today and the white caps, even
electro optical sensors. like the best type of camera available on the market. reporter: what you can see with that that you can t see with radar? it gives the p8 an advantage in picking out objects in an endless blue ocean. the search area for the missing plane is so remote and takes so long to get to the navy only has about three hours a day to use these hi-tech tools. and that s not the only problem. there are so many unknowns that search teams really don t even know what to look for. it could be something as large as a piece of a plane. but it could be something as small as a seat cushion or a life vest. finding wreckage would be like finding the needle in the haystack. if only they could find the haystack. that s a sonar buoy. correct. what we call a sonar buoy.