CNN Erin Burnett OutFront March 11, 2014 03:29:00
>> reporter: that's why the mystery behind how this flight vanished has stumped the world, even pilots like mike weiss who flew 777s. >> this was way out of the ordinary, this is just something that happened instantaneously or relatively quickly and overcame the crew and overcame the aircraft. >> reporter: since the first 777 rolled off the assembly line in 1994, the planes have made about 5 million flights. yet its first fatal crash came last july, when this asiana airlines 777 crashed in san francisco, three people died, the cause still under investigation. but in this crash, finding the pla...