And im sorry to say it, never more than 1 at a time to an American pilot
I am not sure where this has come from either as from my experience of flying in the US they throw all the info at you at once at a rapid rate! I ALWAYS write everything down when being given clearances, etc due to this fact. Like EA I have developed a shorthand over the years and find it works very well.
I do feel sorry for the heli pilots amongst us, didnt realise that wasnt an option for them. Hope they have elephant memories instead
J.