1 Create a Ghosthawk, Orca, or Mohawk (Not player as pilot!)
2 Set Elevation to something fairly high (2000 makes ai freak out for me, so try that :D)
3 Set a move waypoint a few kilometers away
-Preview
Optional: Put "(Chopper or pilot name) flyinheight 2000;" in an init field, or all the init fields. Results are completely unpredictable.