a very steep angle, at a very sharp turn. getting down to about 5,000 fight or below, which is when you might expect that a cell tower connection could be made. so this all fits in to what was reported earlier. a plane turning, veering off course, going over the part of the northern peninsula of malaysia. so it fits. the weird part, though, is why was that phone on? because it goes against all the rules of the cockpit. >> i want to ask the pilot, mitchell. is that unusual for a pilot to use their cell phone in the cockpit? >> yeah, it is, in flight anyway. can you use it obviously if you're on the ground at the gate, but in the air, it's a big no, no. >> and they're not supposed to have cell phones on at all during a flight, because one, it could interfere, but it takes their mind off of the job of flying. >> that's right. >> so if you see it on, if