add a status if the sequence is fixed

aman/types/Inbound.py

@@ -39,6 +39,7 @@ class Inbound:
         self.PlannedStar = None
         self.ArrivalCandidates = {}
         self.WTC = None
+        self.FixedSequence = False
 
         # analyze the WTC
         wtc = report.aircraft.wtc.upper()