this is supposed to represent. >> reporter: he flew jet lines for 34 years. like many in the aviation community, he has a theory about what happened on flight 370. a problem on board. >> i like to go with the simplest explanation. >> reporter: maybe they were being heroes and trying to get back to a landing strip that was large enough to carry a 777 and that's the reason they made that large, sharp turn. >> if you have a serious problem aboard a jetliner like a fire, one thing you're going to want to do is get on the ground as soon as possible and turning back towards malaysia, towards a large airport, it's the first thing i would do. the most imperative thing is to take care of that fire. the last thing you're going to do is communicate unless you have the time to do it because no one on the ground can help you. >> reporter: so would a crisis like a fire leave the pilots to take drastic action? would it be crazy to think that just going into the water, trying to do a water landing of