" And who said the English or even the Americans are the best English speakers? Some simply swallow half the sentence."
oh yess... I understand better the English than Americans or even than the Irish!
But it is in all the languages, I guess it is easier for you to understand a french from north than a french from Marseille
The RT english is not difficult if the controllers and pilot use it.
It is difficult when the RT is not used.
Well I am improving english, but when I discovered yours expressions like that, I guess the americans use it more than english, I do not know:
I wanna..., I gotta..., I gonna..., what the hell are you doing here, or I dunno etc etc