He may well be asked :-
"whether he believes there is any doubt whatsoever that the a/c was at very low level, at a goodly forward speed, heading for hills in IMC, which conditions the a/c then entered."
To which he may choose to reply to who ever poses that question whether they, based on the wealth of available technical information and expert testimony from the likes of S/L Burke etc have any doubt whatsoever that ZD576 was fully serviceable just prior to impact and that there is no doubt whatsoever that a mechanical failure did not contribute to this accident................