after looking at Totalbf2.com i saw this. You can become an atc observer in free flight mode. if you love watching ai planes come in and out then this will be for you!
Easy aye. I tried and it works.
1. On the left side of the main Flight Simulator screen, click Multiplayer.
2. Sign in (either a Gamespy session or a LAN session will work) and click the Sign In button.
3. Click the Host a Session button.
4. Click Next.
5. On the Session Conditions screen, in the "Select Role" drop-down list, select "Air Traffic Controller."
6. Change the location, weather, time, and/or season as desired.
7. Click the Save Flight button.
8. Enter a Title (e.g. "Seattle Tower") and an optional description, and click OK.
9. Click the Back button multiple times to back out of multiplayer.
10. On the left side of the main Flight Simulator screen, click Free Flight.
11. Go to Free Flight, click the Load Flight button, and load the flight you just saved.
Easy aye. I tried and it works.


It might be good for GNZLAP planespotting...