“Wherever that plane is, whether in the ocean or on land, it was or is headed somewhere”
It headed to auto-pilot hell after the crew blacked out from hypoxia and the plane ran out of fuel
Why was it on a heading that took it to the Indian Ocean and the edge of civilization?
What caused the lack of oxygen?
Before you answer with the old saw about fire in the cockpit, you might want to read this.
english4aviation.pbworks.com/f/Fire+in+Flight.doc
Note that in most cases you have only 10 minutes.
This plane flew seven hours after it disappeared.