CNN New Day March 24, 2015 11:10:00
This so there was tracking and that's what i wanted to ask mary about, if you could help us understand. we know we have our systems here the american air space in terms of how traffic is tracked. how does it work overseas? what is the chain of command? what is the communication process? >> it's coordinated throughout the eu and the system is very much like ours. worldwide, with air traffic control systems are very similar. they do hand off between air traffic control to air traffic control. but throughout the eu they're completely coordinated. they have open skies, so the handoff wouldn't be d...