See also Lord Brennan to Sqn Ldr Burke at:
"772. I am going to ask you to think about that further, if the Lord Chairman will allow me, we had a reconstruction put to us, I would like you to mark in which ever way you think appropriate, that which you would not have put to the Board of Inquiry if asked before February 1995?
A. I would have put to them exactly what I put to you.
773. In that event the exercise does not need to be done. In that event, if you had been asked the Air Marshals would have had ...
A. They would have had some feasible technical explanations as to what might have gone wrong, I would not put it any stronger than that.
774. Which they did not have when they came to the Inquiry's conclusion, self-evidently."
Call me a bluff old traditionalist, but I see a kite being flown for a formula to change the conclusion and exonerate Day and Wratten - "the came to their erroneous conclusions while not in posession of all the facts due to an incomplete inquiry."
It'll be interesting to see is their Lordships pursue the question "Who told Cooke to shut Burke up?"