CNN New Day December 31, 2014 11:25:00
A in the case of air france 447, every minute sinding maintenance reports back. the problem is if you have a systemic failure, we had the failure of the secondary surveillance system with air traffic control, if that fails, you have another system failure. the black boxes are very robust piece of equipment and it's been well proven. it may be the case that ultimately in the future we move to this kind of system. >> i'm very aware as we report this story of compounding the agony for the families who are watching every little thing we say, watching every little bit of news as they try to put the...