of aircraft whether systems failure, engines failure or structural failure. it can also result in loss of control of the aircraft. so all of those are a possibility. although we have to keep open other possibilities such as terrorism, as remote as that might be. since in the point of origin there is terrorist activity and restlessness with regard to some of the militants there. anthony, it s brian sullivan. all our viewers have sat an airport and been delayed because of weather. the question is why were they flying into this category 5 thunderstorm? it s a relatively small geographic area. we have auto seen the radar. you can bring it back up guys how dense the storm was. why do you think the plane took off in the first place? well in this area there are storms a good deal of the time.