CNN Early Start With John Berman and Christine Romans April 9, 2014 09:24:00
That could be from the jet's black boxes. two sounds were heard in the indian ocean lasting just five minutes and then seven minutes. the signals were weaker than they had been. that's a possible sign that the batteries on those flight recorders are starting to run out. let's bring in jeffny thomas, an aviation expert and editor in chief of airlines ratings.com. he joins us from perth via skype. the question we have here, it seems like an incredible stroke of luck that they were able to hear these pings in the first place over the weekend at that location. now they've heard them again. do you ...