diff --git a/Aircraft/c310-set.xml b/Aircraft/c310-set.xml
index 3a7a5ed84..8f460e9ff 100644
--- a/Aircraft/c310-set.xml
+++ b/Aircraft/c310-set.xml
@@ -29,6 +29,8 @@ October 23 2001 John Check, fgpanels@rockfish.net
   <!-- you can download this model from the site listed above -->
   <model>
    <path>Aircraft/c310/Models/cessna310r.ac</path>
+   <heading-offset-deg>0</heading-offset-deg>
+   <z-offset-m>-0.555</z-offset-m>
   </model> 
 
   <instrument-options>
diff --git a/Aircraft/c310-uiuc-set.xml b/Aircraft/c310-uiuc-set.xml
index b8bab823a..25f6d6abd 100644
--- a/Aircraft/c310-uiuc-set.xml
+++ b/Aircraft/c310-uiuc-set.xml
@@ -25,6 +25,8 @@ UIUC Cessna 310 init file.
   <!-- you need to download this from the above website -->
   <model>
    <path>Aircraft/c310/Models/cessna310r.ac</path>
+   <heading-offset-deg>0</heading-offset-deg>
+   <z-offset-m>-0.555</z-offset-m>
   </model> 
  </sim>
 </PropertyList>
diff --git a/Aircraft/c310-yasim-set.xml b/Aircraft/c310-yasim-set.xml
index a6a27213f..71d025cd7 100644
--- a/Aircraft/c310-yasim-set.xml
+++ b/Aircraft/c310-yasim-set.xml
@@ -28,6 +28,8 @@ October 23 2001 John Check, fgpanels@rockfish.net
   <!-- you need to download this from the above website -->
   <model>
    <path>Aircraft/c310/Models/cessna310r.ac</path>
+   <heading-offset-deg>0</heading-offset-deg>
+   <z-offset-m>-0.555</z-offset-m>
   </model> 
  </sim>