CNN The Lead With Jake Tapper April 10, 2014 01:16:00
If you go all the way down to the deep ocean where this pinger is, what we're talking about is the deep area at the end of the long slope that they're dealing with in this area. it is more than three miles deep. over here, more than one and a half miles. this is generally believed to be around the two and a half mile deep zone. that is plenty deep for all the equipment we have that might reach it. if you go below that you're relying almost entirely on robots. and placement along the ridge, jake, makes a big, big difference. if they can keep it here, that is easier, if they find it upslope, tha...
Source: archive.org