whirlygig
That was not aimed at you, but you obviously thought so.
George737 can ask questions without ploughing through a thread if he wants to.
It looks like he WAS asking his question in "rotorheads", hence my quote.
Maybe the forum heading should be changed, I don't know, far beyond me to even remark as I am a late joiner and have not read enough opinions of other people to qualify as an adviser on aviation issues!