CNN CNN Newsroom April 5, 2014 22:57:00
Won't they, because if this pinging is verified, they will probably drop in the what they call the side scan sonar which has the ability to map the ocean floor and this is how they discovered the air france 447 wreckage a couple of years after the debris was discovered and ultimately discovered the black boxes on that particular crash. and the side scan sonar is an invaluable tool, but you don't want to plunk it down into the water unless you have a good idea where to go, and the ping ing might do that, and if it is all verified, that is the next step to get that side scan down, there because ...
Source: archive.org