CNN At This Hour With Berman and Michaela December 31, 2014 16:14:00
Data recorders, they are key. they've got some time they can be underwater. there's a long time the data can stay underwater. if they know where the wreckage is they should be able to find those. one of those recorders will have the voices from the cockpit we suspect. we'll know what was happening with those pilots. the rest will be the avionics. this is the next key. aside from returning these bodies as the family so desperately needs, it's the data we need isn't it gentlemen? >> it is and all that in addition to the cockpit voice recorder recording air traffic control negotiation reporting t...