I haven't read back through the entire thread again but I'm sure somebody must have already pointed out the difficulty of challanging an established statutory position, especially when dealing with a semi-public body or a body vested with responsibility for various aspects of public safety, such as the CAA.
As with the civil/public service, things are rarely done for their own sake. There are no such things as right and wrong, merely positions - and positions taken are determined by positions already taken either by those involved or by others.
This was always going to be a campaign rather than a skirmish.
"Seconds out - Round 2!"