as an expert witness
Are you? I've worked as an expert witness in aviation, and your writing style looks somewhat unlike how we normally tend to work. I note you didn't answer whether you hold a professional licence.
Incidentally, from the bottom of the page, could I mention the standard PPrune warning...
As these are anonymous forums the origins of the contributions may be opposite to what may be apparent. In fact the press may use it, or the unscrupulous, or sciolists*, to elicit certain reactions.
I spot at-least one of those on this thread, and I
don't mean Mr Werks. I can't be the only person to have spotted the person in question.
G