diff --git a/Influx/Influx/InfluxStatisticsClient.cs b/Influx/Influx/InfluxStatisticsClient.cs
index 43599c5..f795b8f 100644
--- a/Influx/Influx/InfluxStatisticsClient.cs
+++ b/Influx/Influx/InfluxStatisticsClient.cs
@@ -240,6 +240,7 @@ internal sealed class InfluxStatisticsClient : IDisposable
                                 .Tag("build", sub.Build)
                                 .Field("level", sub.Level)
                                 .Field("predicted_level", sub.PredictedLevel)
+                                .Field("state", (int)sub.State)
                                 .Timestamp(date, WritePrecision.S));
                         }
                     }
diff --git a/Influx/SubmarineTracker/EState.cs b/Influx/SubmarineTracker/EState.cs
new file mode 100644
index 0000000..3408bce
--- /dev/null
+++ b/Influx/SubmarineTracker/EState.cs
@@ -0,0 +1,8 @@
+namespace Influx.SubmarineTracker;
+
+public enum EState
+{
+    NoVoyage,
+    Returned,
+    Voyage,
+}
diff --git a/Influx/SubmarineTracker/Submarine.cs b/Influx/SubmarineTracker/Submarine.cs
index fcf7aeb..ac27ce4 100644
--- a/Influx/SubmarineTracker/Submarine.cs
+++ b/Influx/SubmarineTracker/Submarine.cs
@@ -14,6 +14,13 @@ public sealed class Submarine
         {
             (uint predictedLevel, double _) = ((uint, double))@delegate.GetType().GetMethod("PredictExpGrowth")!.Invoke(@delegate, Array.Empty<object?>())!;
             PredictedLevel = (ushort)predictedLevel;
+
+            bool onVoyage = (bool)@delegate.GetType().GetMethod("IsOnVoyage")!.Invoke(@delegate, Array.Empty<object>())!;
+            bool returned = (bool)@delegate.GetType().GetMethod("IsDone")!.Invoke(@delegate, Array.Empty<object>())!;
+            if (onVoyage)
+                State = returned ? EState.Returned : EState.Voyage;
+            else
+                State = EState.NoVoyage;
         }
         catch (Exception)
         {
@@ -25,4 +32,5 @@ public sealed class Submarine
     public ushort Level { get; }
     public ushort PredictedLevel { get; }
     public Build Build { get; }
+    public EState State { get; }
 }
diff --git a/Influx/SubmarineTracker/SubmarineStats.cs b/Influx/SubmarineTracker/SubmarineStats.cs
index 145c351..00926ef 100644
--- a/Influx/SubmarineTracker/SubmarineStats.cs
+++ b/Influx/SubmarineTracker/SubmarineStats.cs
@@ -12,4 +12,5 @@ public sealed class SubmarineStats
     public required string Bow { get; init; }
     public required string Bridge { get; init; }
     public required string Build { get; init; }
+    public required EState State { get; init; }
 }
diff --git a/Influx/SubmarineTracker/SubmarineTrackerIpc.cs b/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
index dc66c55..6c40781 100644
--- a/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
+++ b/Influx/SubmarineTracker/SubmarineTrackerIpc.cs
@@ -52,6 +52,7 @@ internal sealed class SubmarineTrackerIpc
                         Bow = y.Build.BowIdentifier,
                         Bridge = y.Build.BridgeIdentifier,
                         Build = y.Build.FullIdentifier,
+                        State = y.State,
                     }).ToList());
         }
         else