CNN Anderson Cooper 360 April 9, 2014 00:06:00
Detection locater, but it is the best means to do the locater beacon with the live batteries. >> do you believe they are live -- do you actually know if they are, or just kind of hoping that they are at this point? >> well, those batteries are rated for a 30-day life. and you know, that is the minimum they're designed for. so today is day 33. i fully expect that there is a strong probability that they're still active. but you know, there are certainly variables at play here. if you look at the air france flight 447 accident, those pingers were not working due to damage they sustained during th...