went clear to the back. he was gone for four minutes. there was nothing indicated in the report that when he came back he said anything or at least that was captured on cvr that i felt something or heard something or nothing. so while you could capture that kind of data and in fact after every flight if you wanted to you could change the configuration and get the data off the flight data recorder. they're not made that way now. it's not monitored now even though that data could be available. >> two questions here, les. there are possible ways in the future that people would notice as mary said live streaming of that data if someone knew what to look for and an additional person in the cockpit which many european airlines instituted since. us airlines has that. someone would have noticed if he was doing this. >> it would have been a flight attendant into the cockpit as a precaution more for nefarious event to come into the cabin as