1. Open editor
2. Place player
3. Place Zeus Marker
4. Load Preview
5. Open up Zeus
6. Place a AI chopper
7. Close Zeus
8. Run up to the chopper and get in the back (Or let a friend)
9. Open up Zeus again
10. Use Take Control Zeus function on chopper to control pilot
11. You'll now be controlling your own character (or other players characters if on multiplayer.