def METHOD_NAME(self) -> FlightWaypoint:
    # The TOT is the time that the cargo will be dropped off. If the drop-off
    # location is the arrival airfield and this is not a helicopter flight, there
    # will not be a separate drop-off waypoint; the arrival landing waypoint is the
    # drop-off waypoint.
    return self.layout.drop_off or self.layout.arrival