diff --git a/Aircraft/c172-ifr-set.xml b/Aircraft/c172-ifr-set.xml
index 57b4d8f86..2e1443fbf 100644
--- a/Aircraft/c172-ifr-set.xml
+++ b/Aircraft/c172-ifr-set.xml
@@ -33,9 +33,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
   <model>
-   <path>Aircraft/c172/Models/c172-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1</z-offset-m>
+   <path>Aircraft/c172/Models/c172-dpm.xml</path>
   </model>
 
  </sim>
diff --git a/Aircraft/c172-larcsim-set.xml b/Aircraft/c172-larcsim-set.xml
index 38a6d196d..0ae3d8b9f 100644
--- a/Aircraft/c172-larcsim-set.xml
+++ b/Aircraft/c172-larcsim-set.xml
@@ -33,9 +33,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
   <model>
-   <path>Aircraft/c172/Models/c172-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1</z-offset-m>
+   <path>Aircraft/c172/Models/c172-dpm.xml</path>
   </model>
 
  </sim>
diff --git a/Aircraft/c172-set.xml b/Aircraft/c172-set.xml
index e87c2146d..b38948f56 100644
--- a/Aircraft/c172-set.xml
+++ b/Aircraft/c172-set.xml
@@ -33,9 +33,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
   <model>
-   <path>Aircraft/c172/Models/c172-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1</z-offset-m>
+   <path>Aircraft/c172/Models/c172-dpm.xml</path>
   </model>
 
  </sim>
diff --git a/Aircraft/c172-uiuc-set.xml b/Aircraft/c172-uiuc-set.xml
index 707e4ce21..ac43afd9b 100644
--- a/Aircraft/c172-uiuc-set.xml
+++ b/Aircraft/c172-uiuc-set.xml
@@ -33,9 +33,7 @@ UIUC Cessna 172 init file.
 -->
 
   <model>
-   <path>Aircraft/c172/Models/c172-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1</z-offset-m>
+   <path>Aircraft/c172/Models/c172-dpm.xml</path>
   </model>
 
 
diff --git a/Aircraft/c172-yasim-set.xml b/Aircraft/c172-yasim-set.xml
index 9c717a7cf..da1ad3ddf 100644
--- a/Aircraft/c172-yasim-set.xml
+++ b/Aircraft/c172-yasim-set.xml
@@ -33,9 +33,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
   <model>
-   <path>Aircraft/c172/Models/c172-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1</z-offset-m>
+   <path>Aircraft/c172/Models/c172-dpm.xml</path>
   </model>
 
  </sim>
diff --git a/Aircraft/dc3-yasim-set.xml b/Aircraft/dc3-yasim-set.xml
index c1fc7164a..ca99fb4ab 100644
--- a/Aircraft/dc3-yasim-set.xml
+++ b/Aircraft/dc3-yasim-set.xml
@@ -26,9 +26,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
   </panel_2>
 
   <model>
-   <path>Aircraft/dc3/Models/dc3-dpm.ac</path>
-   <heading-offset-deg>270</heading-offset-deg>
-   <z-offset-m>-1.75</z-offset-m>
+   <path>Aircraft/dc3/Models/dc3-dpm.xml</path>
   </model> 
  </sim>