Like realistic flying games? What about games set on war periods were you pilot a jet fighter? If so, then Air Conflicts: Vietnam might be your cup of tea.
From the official Site:
Take a seat in the cockpit of fighter planes and helicopters and plunge right into daredevil aerial battles above the jungles of Vietnam! Prepare for a mind-blowing flight simulation with exotic landscapes, detailed airplane models and challenging missions that will put your piloting skills to the ultimate test.