Hmmm, I've had plenty of success fly both Lancasters and Ju88s between 10,000ft and 20,000ft.
I never go over 20,000ft in a bomber.
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We few, we happy few, we band of brothers;
For he to-day that sheds his blood with me
Shall be my brother
Bring the Mosquito FB.MkVI Series 2 to Aces High!!!
Sisu
-Karnak