Any ATR vs Q400 argument needs to look at the one big thing that accountants just can't see. Disruption due to the utterly crap wet crosswind limits of the ATR. It just cant handle weather like the Q400 can. 5 years of piss poor regularity on the Island and yet again they ACCOUNTANTS) want to [wap over the q400s and the Loganair Saab (40kt limits!!) based there.