accident. >> the key is to get out early. one of the things that's interesting about this particular accident, the plane went 500 feet on the runway before this all happened. what questions do you have about this? >> first of all, the run way is over a mile long down here. so they had plenty of runway. 500 feet doesn't seem that much. i haven't gone and measured how far they went down the runway before they tried to take off. but the key is pilots on takeoff are always ready to abort a takeoff. they get to a point of their decision speed they have to go or don't go. unless the airplane is unflyable or unsafe, the pilots are going to take off. a problem in the takeoff role that doesn't threaten the safety of the flight is not going to cause a pilot to abort. the big question is did they