what we don t know is why, whether it was foul play or simply a precaution in case of emergency or if there was some sort of malfunction on board they were trying to find a close airport they could land at. what we do know it would be very easy to do. that s what we want to show you now. we want to head into the cockpit of a 777 flight simulator an accurate down to the last detail. martin savidge is in the flight simulator. martin, let s start with you. the idea that the turn was entered into the system at least 12 minutes before the all right, good night, how does the pilot put the turn into the night management system? how complicated a process is it? reporter: well, if you know what you re doing it s pretty easy. let me point it out to you, show and tell here. this is the flight management system. one of the consoles here. actually three of them right in front of us. but this thing does a lot of things on this airplane. it primarily makes the job of flying for the pilot and
night management system? how complicated a process is it? reporter: well, if you know what you re doing it s pretty easy. let me point it out to you, show and tell here. this is the flight management system. one of the consoles here. actually three of them right in front of us. but this thing does a lot of things on this airplane. it primarily makes the job of flying for the pilot and co-pilot easier. think of it really in this sense as a gps, really beefed-up gps. prior to takeoff you would have loaded in all the coordinates that were necessary, the waypoints for this aircraft to go from kuala lumpur to beijing. every turn, every aspect of that flight would be here. however, once in the air you could alter it. you could change it in fact, mitchell, you can point out how simply that s done. very easily, martin. this magenta line here indicates the path that the aircraft is on to its destination. this white triangle is the aircraft. we re pretty much next to our route here. that tri