1 Create Helicopter and way.
2 Create Trigger Area.
in events create action
Event 0: Event 0

Triggers:

SSN 1 has reached waypoint 1, 1
Actions:

Change SSN 1 AI : AI state to Land

Event 1: Event 1

Triggers:

SSN 10000 is within area 2
Actions:

Redirect group 3 to waypoint 2 - 0
Change SSN 1 AI : AI state to Follow Waypoint
Redirect SSN 1 to waypoint 2-0

Event 2: Event 2

Triggers:

SSN 1 has reached waypoint 2, 2
Actions:

Change SSN 1 AI : AI state to Land

In Manual Follow Waypoint: Not Used This enable fallow next way / Waypoint for Helicopter if helicopter is landing.