CNN CNN Newsroom April 18, 2014 18:08:00
It's really a matter of how much of the area do they cover. right now they're searching in the area ya where they think they heard the pings from the black boxes. they have done some analysis. that's about 320 to 500 square miles. that's a good chunk of area given that they have only uncovered about 40 square miles. if they get through the whole area and still have found nothing and that's several weeks, maybe a month, month and a half, then it's time to regroup. >> could be a couple more weeks before they are able to look at the entire area. how big is this? >> what i could see on marine traf...