CNN CNN Newsroom June 29, 2014 19:32:00
Only takes about 12 minutes to lose consciousness when you don't have the right amount of oxygen going to your head. it can happen very, very quickly. >> the theory implies that this plane was likely an autopilot. does that make sense to you that there would be a combination of things happening and likely be while in autopilot? >> yes, it does. there's several modes of autopilot and need to clarify a little bit in that in an efficiency mode and confusing them originally in their analysis is that the aircraft speed kept changing and couldn't figure out why but in efficiency mode, burning off fu...