GL-117 is an OpenGL action flight simulator for Linux/Unix and MSWindows.
Enter the Eagle Squadron and succeed in several challanging missions leading though different landscapes. Five predefined levels of video quality and an amount of viewing ranges let you perfectly adjust the game to the performance of your system. Joystick, mouse, sound effects, music..
You might have to install GL, GLU, GLUT, and SDL, SDL_mixer.
Look into your system directory, that is
WINDOWSSYSTEM for Win9x/ME
WINDOWSSYSTEM32 for WinNT/2000/XP
You need the files opengl32.dll, glu32.dll, glut32.dll, and sdl.dll, sdl_mixer.dll there!