primarily for safety. it also increases fuel efficiency passenger comfort. but it is a very automated aircraft. it can also be controlled just the same by the pilots. but those computer systems are redundant and exist primarily for incredible amount of safety. leon, thank you very much. thank you. and straight ahead, just moments ago president obama touting yemen as a success. but look at it now. disintegrations. complete chaos in the streets. that means danger for us. senator rubio goes on the record next. plus a very bizarre mystery unveelg. a physical therapist reported kidnapped for ransom. suddenly she turns up. where was she? the
that computer is there primarily for safety. it also increases fuel efficiency passenger comfort. but it is a very automated aircraft. it can also be controlled just the same by the pilots. but those computer systems are redundant and exist primarily for incredible amount of safety. leon, thank you very much. thank you. and straight ahead, just moments ago president obama touting yemen as a success. but look at it now. disintegrations. complete chaos in the streets. that means danger for us. senator rubio goes on the record next. plus a very bizarre mystery unveelg. a physical therapist reported kidnapped for ransom. suddenly she turns up. where was she? the latest on the investigation coming up. sketchbooks, and scribbles. let s pin em to the wall. kick em around. kick em around, see what happens.
absolutely devastated including one american family. french investigators saying right now they do not have the slightest explanation for this crash as catherine said. of course, they are hoping to find those clues in the black box of the a 320. very common plane. many u.s. airlines fly them. right now at least 464 air bus air a 320s are being operated by u.s. carriers. pilot leon grey flies air bus 320. he joins us. good evening, leon. good evening greta. possible explanations. one is terrorism. i will get to that second is it was somehow decompression and people lost consciousness. is that the other choice, main choice. i heard that theory myself. i think it s too early to speculate on what could have caused it. but once we hear the cockpit voice recorder and the flight data recorder. i think wee will have a much better handle on the moments leading up to the incident. okay. a 320. you heard catherine say that there are alarms going off. what kind of alarms go off in a cockpi