So, if you are confident the development of the HX isn’t playing by the rules, why haven’t you, the many others, or the mainstream OEMs brought this to the UKCAA’s attention to have this “disruption” reviewed again?
Because it doesn't even fly yet - it only exists as a series of grand promises and mock-ups.
And the CAA/FAA, as you keep reminding us, have agreed in principle to the concept.
The proof of the pudding is in the eating.
But there's many a slip 'twixt cup and lip- as they say oop North.