The only negative note(s) I can make for this game are;
1/ the manual is to short more details should be added an example the Spitfire and BF109 controls are not the same at all and the manual does not give enough details about each plane. Also more details about the Full Mission Builder.
2/ radio communications with other members of your squadron or flight are OK but with the ground control I get never any answer even when the other members of the squadron/flight do receive an answer per example when asking for permission to land even if flying a damaged airplane I get no permission to land ever!
Otherwise a fantastic game, nobody should forget this is a game about the beginning of the war where communication where not good and perfect. Better than in 1914/18 but still not good.
Maybe is it possible to land at more than one airfield? Wind direction indicator, control tower authorization!
