Page 2 - He Tech Plane News Today

Refocused the investigation into the crew and passengers on board. nothing emerged and nothing indicated terrorist or psychological problems. n45,000 foot and 23,000 foot. what might all of this tell us? >> reporter: at one point the plane may have climbed to 45,000 and descended 20,000 foot and one pilot said that is a bad sign. >> those erratic altitude changes suggest to me there was a struggle going on in the aircraft. either it was a fire in the cockpit or a struggle with possible hijackers...