Except for das Boot, which I really liked, which war film, about flying, would be recommendable in your opinion, talking accuracy, plot, suspense etc.
While not a movie, the mini series Piece Of Cake is good, great flying scenes! While made in England, even it has it's Hollywood moments. Such as , the American who flew in Spain before joining the RAF! [video=youtube;ZbeA504VzR8]https://www.youtube.com/watch?v=ZbeA504VzR8[/video]