diff --git a/OpenSky.Agent.UdpXPlane11/Models/WeightAndBalanceDataRef.cs b/OpenSky.Agent.UdpXPlane11/Models/WeightAndBalanceDataRef.cs
index d4f40a2..c178e51 100644
--- a/OpenSky.Agent.UdpXPlane11/Models/WeightAndBalanceDataRef.cs
+++ b/OpenSky.Agent.UdpXPlane11/Models/WeightAndBalanceDataRef.cs
@@ -154,15 +154,17 @@ private void DataRefUpdated(DataRefElement element, float value)
             {
                 this.FuelWeightPerGallon = (int)value switch
                 {
-                    0 => 6,
-                    1 => 6,
-                    2 => 6.7,
+                    0 => 6, // Recip carb
+                    1 => 6, // Recip injected
+                    2 => 6.7, // Free turbo deprecated
                     3 => 0, // Electric engine
-                    4 => 6.7,
-                    5 => 6.7,
+                    4 => 6.7, // Lo Bypass Jet deprecated
+                    5 => 6.7, // Single spool jet
                     6 => 0, // Rocket
-                    7 => 0, // Tip rockets
-                    8 => 6.7,
+                    7 => 6.7, // Multi spool jet
+                    8 => 6.7, // Turbo Prop Fixed deprecated
+                    9 => 6.7, // Free turbo prop
+                    10 => 6.7, // Fixed turbo prop
                     _ => 0
                 };
                 updateFuelValues = true;
diff --git a/OpenSky.Agent/Properties/AssemblyInfo.cs b/OpenSky.Agent/Properties/AssemblyInfo.cs
index ccc5344..64dff84 100644
--- a/OpenSky.Agent/Properties/AssemblyInfo.cs
+++ b/OpenSky.Agent/Properties/AssemblyInfo.cs
@@ -21,8 +21,8 @@
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
 [assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]
-[assembly: AssemblyVersion("0.5.1")]
-[assembly: AssemblyFileVersion("0.5.1")]
+[assembly: AssemblyVersion("0.5.2")]
+[assembly: AssemblyFileVersion("0.5.2")]
 
 // This allows us to detect debug mode in XAML
 #if DEBUG
diff --git a/changelog.txt b/changelog.txt
index f1daef4..e127196 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2,6 +2,11 @@
 OpenSky Flight Tracking Agent Changelog
 ======================================================================================
 
+--------------------------------------------------------------------------------------
+Version 0.5.2 (ALPHA5)
+--------------------------------------------------------------------------------------
+- Updated XP11/12 engine type dataref to fix fuel weight issue
+
 --------------------------------------------------------------------------------------
 Version 0.5.1 (ALPHA5)
 --------------------------------------------------------------------------------------