diff --git a/OpenRA.Mods.RA/Air/Plane.cs b/OpenRA.Mods.RA/Air/Plane.cs
index 5f4faea934..eaba982678 100755
--- a/OpenRA.Mods.RA/Air/Plane.cs
+++ b/OpenRA.Mods.RA/Air/Plane.cs
@@ -25,10 +25,12 @@ namespace OpenRA.Mods.RA.Air
 		public override object Create( ActorInitializer init ) { return new Plane( init, this ); }
 	}
 
-	public class Plane : Aircraft, IIssueOrder, IResolveOrder, IOrderVoice, ITick, INotifyDamage
+	public class Plane : Aircraft, IIssueOrder, IResolveOrder, IOrderVoice, ITick, INotifyDamage, ISync
 	{
 		public IDisposable reservation;
-
+		[Sync]
+		public int2 RTBPathHash;
+		
 		public Plane( ActorInitializer init, PlaneInfo info ) : base( init, info ) { }
 
 		bool firstTick = true;
diff --git a/OpenRA.Mods.RA/Air/ReturnToBase.cs b/OpenRA.Mods.RA/Air/ReturnToBase.cs
index 05f50dd7b1..50319ac224 100755
--- a/OpenRA.Mods.RA/Air/ReturnToBase.cs
+++ b/OpenRA.Mods.RA/Air/ReturnToBase.cs
@@ -37,11 +37,11 @@ namespace OpenRA.Mods.RA.Air
 			{
 				dest = ChooseAirfield(self);
 			}
-
+			
+			var plane = self.Trait<Plane>();
 			var res = dest.TraitOrDefault<Reservable>();
 			if (res != null)
 			{
-				var plane = self.Trait<Plane>();
 				plane.UnReserve();
 				plane.reservation = res.Reserve(self);
 			}
@@ -77,6 +77,7 @@ namespace OpenRA.Mods.RA.Air
 			w1 = (c1 + f).ToInt2();
 			w2 = (c2 + f).ToInt2();
 			w3 = (approachStart).ToInt2();
+			plane.RTBPathHash = w1 + w2 + w3;
 
 			isCalculated = true;
 		}