fix a race condition crash

aman/sys/aco/Node.py

@@ -217,7 +217,7 @@ class Node:
 
                 if True == setEnrouteTime and (None == self.Inbound.EnrouteArrivalTime or ita < self.Inbound.EnrouteArrivalTime):
                     self.Inbound.EnrouteArrivalTime = ita
-                    self.Inbound.PlannedRunway = identifier.Runway.Name
+                    self.Inbound.PlannedRunway = identifier.Runway
                     self.Inbound.PlannedStar = star
                     self.Inbound.PlannedArrivalRoute = arrivalRoute
                     self.Inbound.PlannedArrivalTime = earliest