in the area with more aircraft, to be in the south china sea. i wouldn't head off to the indian ocean. >> given what we know about the behavior of the plane, do you think it would be a trained pilot at the controls? >> absolutely. we talked about this, i think, a little bit last time, not just because of the flying but the systems involved. i mean, the transponder, turning that off is no big deal, but as i said yesterday, the other equipment, specifically the data link system and others, you have to physically get into the computer system through a display and log off. and that's not something that you can just intuitively do without having done it before. >> peter doocy reporting from washington today saying the latest that the investigators are not ruling out the passen r passengers are alive somewhere, somehow. we have a map of over 600 location where is the plane