nawww thats still too high, all those speed demons dropping down from 10k and pick and extend. Pretty much what we have from a few players last night. Even saw a guy come in with a 262, and you know he wasn't planning on turn fighting on the deck with the rest of us. 
That leave good bunch of planes out of that terrain part, if the pilot is not totally suicidal, or likes to HO alot.
Some planes need some alt to stand a slim chance against the total-turners with almost zero loss if energy when they turn with their infinite WEP.
Flying those planes would just turn out to be a total cannon HO-fest, where more is better.
We still will have to live in a 3D world, else AH pilots are only very fast hovercraft GV'ers.
262s can be disabled / enabled where map designers like.