The Ripper wrote:
Just wondering if I can get a bit of advice from some people on here. I'm thinking of heading over to FHC for their Skyfair event, if it's held on the last Saturday of July, like it has been for the past couple of years. Is it wise to miss the last weekend of OSH? Have most "interesting" aircraft left by the last weekend? Would appreciate a bit of guidance as there's a lot of head scratching going on here!

Hi Ripper, if your question is whether you will have been able to see all the interesting aircraft if you leave sometime during the Friday (to get to WA state on time): yes, you will. After 10+ Oshkoshes I can't remember ever having seen anything extraordinary arrive for the last weekend only. In fact most warbirds will have left by Saturday evening, even though the EAA has been trying to convince warbirds owners to leave on the Sunday for years now.
There typically are 2 'banks' of aircraft arriving: those that arrive by the first weekend (when the convention officially hasn't started yet) and those that arrive mid-week (when many of the early arrivals have already left). Not many warbirds arrive by the first weekend, as most of the warbirds seem to arrive in 'type clubs' (e.g. the T-6's, T-28's, T-34's, classic jets, Yak's/Nanchang's) sometime during the Monday or sometimes the Tuesday. Those warbirds that are there by the first weekend are often the one-offs, however, and they might therefore fit your definition of 'interesting'. (Who knows, perhaps you don't think Mustangs are the only warbirds either.

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With the Blue Angels displaying this year, the crowdline will again be moved back from Friday lunchtime onwards to the (loud)speaker line, meaning take-off and landing shots will again be difficult during the airshows. I am therefore again considering leaving early. In the end I'll probably stay, though, as I want to photograph the departures on Sunday after the airshow (I don't just do warbirds). But if you're happy with seeing and/or photographing aircraft on static display, then there is no need to stay longer than Friday.
Best,
Roger