Transcripts for CNN CNN Special Report 20140407 06:08:00 : v

on cables if they are going to listen to the i thipinger. this is an example of it, how long and wide can it hear? about 5 miles. that sounds like a lot, but it isn t underwater. so let s just say, if you do get closer and you are over the field of debris, and you are looking for it after you get closer, you go to sonar? yes, you will use sonar to map out the field of debris. this is an example of a sonar. the sonar will emit sound itself, instead of the hydro phone, it will emit sound and as the sound comes a off the floor, it will receive it and build up a 3-d map of what is on the floor. let look at the data, start off by taking a look at what is coming in from the hydrophone. that is basically what it s hearing visually? right, you could put on a headset and listen for that once per second click or you could look at it visually.