CNN CNN Newsroom Live November 1, 2015 09:37:00
Sure will help. >> that's right. there are a number of investigations under way. of course, this plane went down when it was at cruising altitude, about 30,000 feet. how unusual is it for a plane to fall out of the sky when it's at that kind of location within a flight path? >> only about 13% of accidents occur in cruise. it's obviously the safest part of of the flight. so it is fairly unusual. but obviously it does happen. we've seen this in recent years. we lost a mcdonnell douglas md-80 over africa last year in 2014, i believe it was. that was a weather encounter. we've seen other aircraft ...