diff --git a/Documentation/User Manual Source/Release Notes Vecto3.x.pdf b/Documentation/User Manual Source/Release Notes Vecto3.x.pdf
index 4df7d3f6eb9d833d7d9a745eb8fc8bebf1aa5d7c..28a1c516775fb50ccf7b173b678b76477e065391 100644
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diff --git a/Documentation/User Manual Source/Release Notes Vecto3.x.pptx b/Documentation/User Manual Source/Release Notes Vecto3.x.pptx
index b67e950255fd778cc4022066423ac9e36b49f8c6..ebda673dd80210f058421bdcaea09d831cf32dce 100644
Binary files a/Documentation/User Manual Source/Release Notes Vecto3.x.pptx and b/Documentation/User Manual Source/Release Notes Vecto3.x.pptx differ
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Data/CrosswindCorrectionVAirBeta.cs b/VectoCore/VectoCore/Models/SimulationComponent/Data/CrosswindCorrectionVAirBeta.cs
index 0e63c8286c4c9761f33a4629698cc2180fe48e92..add85eb1a6e4beeb6366e547c90729d4dc57d2be 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Data/CrosswindCorrectionVAirBeta.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Data/CrosswindCorrectionVAirBeta.cs
@@ -82,12 +82,12 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 
 		protected SquareMeter DeltaCdxA(double beta)
 		{
-			var idx = FindIndex(beta);
-			return VectoMath.Interpolate(AirDragEntries[idx - 1].Beta, AirDragEntries[idx].Beta, AirDragEntries[idx - 1].DeltaCdA,
-				AirDragEntries[idx].DeltaCdA, beta);
+			var (first, second) = FindIndex(beta);
+            return VectoMath.Interpolate(first.Beta, second.Beta, first.DeltaCdA,
+                second.DeltaCdA, beta);
 		}
 
-		protected int FindIndex(double beta)
+		protected (CrossWindCorrectionCurveReader.AirDragBetaEntry, CrossWindCorrectionCurveReader.AirDragBetaEntry) FindIndex(double beta)
 		{
 			if (beta < AirDragEntries.First().Beta) {
 				throw new VectoSimulationException("Beta / CdxA Lookup table does not cover beta={0}", beta);
@@ -96,8 +96,8 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 				throw new VectoSimulationException("Beta / CdxA Lookup table does not cover beta={0}", beta);
 			}
 
-			AirDragEntries.GetSection(x => x.Beta < beta, out var index);
-			return index + 1;
+			return AirDragEntries.GetSection(x => x.Beta < beta);
+			
 		}
 	}
 }
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diff --git a/VectoCore/VectoCore/VersionNumber.t4 b/VectoCore/VectoCore/VersionNumber.t4
index d7dbf9feaad787938124242673fa9a823162e64a..a8ebf5cc4aece262653ec0b5296305ac55aa6b8f 100644
--- a/VectoCore/VectoCore/VersionNumber.t4
+++ b/VectoCore/VectoCore/VersionNumber.t4
@@ -6,6 +6,6 @@ int GetBuildNumber()
 
 string GetVectoCoreVersionNumber()
 {
-	return "0.7.5." + GetBuildNumber();
+	return "0.7.6." + GetBuildNumber();
 }
 #>
\ No newline at end of file