Like the other thread said, just modify your AIRSTRIKE file in that data cfg folder...
i lowered the values and have found the game much more enjoyable. on any given patrol, i may encounter MAYBE 4-5 airplanes. It was just detracting from enjoying the game before. Not having planes bugging me all the time allowed me to think about other stuff. The planes were just competely out of hand until i modified the file. Now much quieter skys....
