was released in 1991 and ran very fast, even on a 386 25Mhz which was a typical machine of the day.
I remember trying again and again to strafe a train whilst travelling at about mach 1.2.. it never occured to me to slow down! (Early days!)
F22 Lightning II
was one of the first "good looking" sims and an early 3DFX sim. It hit the shelves in 1996.