we're now joined by julian bray aviation expert in cambridge great britain as we just mentioned in the report boeing has been in the headlines quite a lot recently but for crashes involving the seven thirty max and to be clear again this was not a seven thirty seven max those planes are currently grounded of course but as a non-expert one's first thoughts might be might this crash be connected in any way to the company's current problems. good morning now i can categorically state it's nothing whatsoever to the max a max eight is a totally different aircraft with different engines and the reason for the grounding of that to live there in a totally different this is boeing's work courses seven three seven thousands these aircraft flying around the world every day in europe ryan air has hundreds of them and they rely on them all the time so it's commonly seen it is a very good aircraft it's only it's a little first your fuel any clue as far as you can tell is an expert as to what caused this particular accident. well apparently the way the rounds are that the jacksonville naval base was