it's a very rare situation. now you will have a distress call. you will have the cockpit voice recorder you'll have the flight data recorder. i'm guessing from what you're telling me that pretty short order, there will be information as to what happened and why. >> richard, speaking about this happening mid flight it does lead you to believe that something must have happened structurally or electrically. this plane was 24 years old. give us context in airline years, what is that? >> it's a robust aircraft. the a-320, it is a work horse of european aviation. and what you think you're looking at of course the core point here is in terms of the