diff --git a/ExtLibs/Mavlink/Mavlink.cs b/ExtLibs/Mavlink/Mavlink.cs
index fb2d326c49..344e4cc4ba 100644
--- a/ExtLibs/Mavlink/Mavlink.cs
+++ b/ExtLibs/Mavlink/Mavlink.cs
@@ -6012,12 +6012,21 @@ public enum MAG_CAL_STATUS: byte
         ///<summary>  | </summary>
         [Description("")]
         MAG_CAL_FAILED=5, 
-        ///<summary>  | </summary>
-        [Description("")]
-        MAG_CAL_BAD_ORIENTATION=6, 
-        ///<summary>  | </summary>
-        [Description("")]
-        MAG_CAL_BAD_RADIUS=7, 
+        ///<summary> Compass calibration failed: the vehicle orientation is outside the required tolerance. | </summary>
+        [Description("Compass calibration failed: the vehicle orientation is outside the required tolerance.")]
+        MAG_CAL_FAILED_ORIENTATION=6, 
+        ///<summary> Compass calibration failed: the radius of the fitted sphere is unrealistically small or large. | </summary>
+        [Description("Compass calibration failed: the radius of the fitted sphere is unrealistically small or large.")]
+        MAG_CAL_FAILED_RADIUS=7, 
+        ///<summary> Compass calibration failed: offset magnitude too large. | </summary>
+        [Description("Compass calibration failed: offset magnitude too large.")]
+        MAG_CAL_FAILED_OFFSETS=8, 
+        ///<summary> Compass calibration failed: diagonal or off-diagonal scaling values out of valid range. | </summary>
+        [Description("Compass calibration failed: diagonal or off-diagonal scaling values out of valid range.")]
+        MAG_CAL_FAILED_DIAG_SCALING=9, 
+        ///<summary> Compass calibration failed: fitness (RMS residual) exceeds tolerance. | </summary>
+        [Description("Compass calibration failed: fitness (RMS residual) exceeds tolerance.")]
+        MAG_CAL_FAILED_RESIDUALS_HIGH=10, 
         
     };
     
diff --git a/ExtLibs/Mavlink/message_definitions/common.xml b/ExtLibs/Mavlink/message_definitions/common.xml
index 856160b534..ef712ce3a1 100644
--- a/ExtLibs/Mavlink/message_definitions/common.xml
+++ b/ExtLibs/Mavlink/message_definitions/common.xml
@@ -4142,8 +4142,21 @@
       <entry value="3" name="MAG_CAL_RUNNING_STEP_TWO"/>
       <entry value="4" name="MAG_CAL_SUCCESS"/>
       <entry value="5" name="MAG_CAL_FAILED"/>
-      <entry value="6" name="MAG_CAL_BAD_ORIENTATION"/>
-      <entry value="7" name="MAG_CAL_BAD_RADIUS"/>
+      <entry value="6" name="MAG_CAL_FAILED_ORIENTATION">
+        <description>Compass calibration failed: the vehicle orientation is outside the required tolerance.</description>
+      </entry>
+      <entry value="7" name="MAG_CAL_FAILED_RADIUS">
+        <description>Compass calibration failed: the radius of the fitted sphere is unrealistically small or large.</description>
+      </entry>
+      <entry value="8" name="MAG_CAL_FAILED_OFFSETS">
+        <description>Compass calibration failed: offset magnitude too large.</description>
+      </entry>
+      <entry value="9" name="MAG_CAL_FAILED_DIAG_SCALING">
+        <description>Compass calibration failed: diagonal or off-diagonal scaling values out of valid range.</description>
+      </entry>
+      <entry value="10" name="MAG_CAL_FAILED_RESIDUALS_HIGH">
+        <description>Compass calibration failed: fitness (RMS residual) exceeds tolerance.</description>
+      </entry>
     </enum>
     <enum name="CAN_FILTER_OP">
       <entry value="0" name="CAN_FILTER_REPLACE"/>