Open the editor
Create a helicopter unit (opfor Ka-60)
Name unit
Create a squad with the initialisation 'the moveincargo [unit name]'
Set helicopter waypoint 'TRANSPORT UNLOAD' to designated LZ spot
Set squad waypoint 'GET OUT' to same LZ spot
Synchronise both waypoints
Set additional waypoint for helicopter
Helicopter AI will not execute any waypoints after 'TRANSPORT UNLOAD'