FS9 or MSFS9 means Flight Simulator 9
FSX is Flight Simulator X
FS2002 is Flight Simulator 2002
A: Hey, what flight simulators you use when you're flying?
B: FS9, X-Plane, Enemy Engaged, LOMAC. And you?
2. Hey, people, someone wants to fly in FS9 through multiplayer today?
using this word in a thread or forum where you post pictures and description about what you are selling.
FS: Front Bumper Lip for 250shipped.