One possible explanation of what happened to Flight 370 is a fire forced the pilots to change course while attempting to manage the crisis. That's exactly what happened 15 years ago to Swissair Flight 111. Randi Kaye takes a look back at the lessons learned from that tragedy.
Anderson discussed this with CNN aviation analysts Les Abend and Jim Tilmon, along with Ron Brown, an airline pilot with more than 30 years experience.