CNN CNN Newsroom March 19, 2014 13:13:00
Pilots do this not regularly but not uncommon to change course when you're flying. >> it's not uncommon. it happens. there's mechanical problems. sick passengers. sometimes weather gets in the way. so it's actually not uncommon at all. >> reporter: the fact that they did alter course is not unto itself an indication of suspicion. you could point and say boy it was a significant change of course, but that doesn't tell us the motivation inside the cockpit, carol. >> except, according to these investigators this happened 12 minutes before the co-pi lot said to air traffic controllers, "all right,...