dalek
Just when, exactly, during your RAF Service did you last read the Manual of Flight Safety from cover to cover? I don't mean look for a reference but read it thoroughly.
It's a bit like reading MAFL or QR's for the vast majority of Service Personnel -you don't take it away on holiday to pass the time; you keep (or have access to) a copy as a Reference Book that you hope you don't need in anger.
Tell us please, exactly when did you find out about the caveat in respect of Negligence? Not that it really matters, because you -along with all the other contributors to this thread (including myself) - were not burdened with the onerous Duty of making a Finding in this matter. That fell upon AOC 1 Gp and AOC in C STC; reinforced by CAS who personally reviewed the matter before release. You may disagree with the conclusions that they came to but that does not give you the right to calumniate them.