1) If you are not moving and on a runway, you successfully land.
2) If you are not on a runway and any enemy is in range, and you exit, it will be a ditch (moving or not).
3) If no enemy is in range, and you are not moving when you exit, then you successfully landed.
4) If you are moving and exit the vehicle, you ditch.
5) The ditch can turn to a capture depending on the closest tower or carrier.