diff --git a/Aircraft/747-yasim-set.xml b/Aircraft/747-yasim-set.xml
index 6985fcd4c..e7a617f2c 100644
--- a/Aircraft/747-yasim-set.xml
+++ b/Aircraft/747-yasim-set.xml
@@ -11,25 +11,22 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- c172 is default so basically we just need to specify the panel-->
- <sim>
-  <flight-model>yasim</flight-model>
-  <aero>747</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>yasim</flight-model>
+ <aero>747</aero>
+ <sound>true</sound>
+
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
   
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
-    
-</sim>
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
   
 </PropertyList>
 
diff --git a/Aircraft/X15-set.xml b/Aircraft/X15-set.xml
index c7d8ee6bc..c74b6a130 100644
--- a/Aircraft/X15-set.xml
+++ b/Aircraft/X15-set.xml
@@ -11,32 +11,30 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- these are the three main components -->
- <sim>
-  <flight-model>jsb</flight-model>
-  <aero>X15</aero>
-  <sound>false</sound>
+ <!-- these are the three main components -->
 
-  <panel>
-   <path>Aircraft/X15/Panels/X15-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
-  
-  <!-- switching models doesn't work -->
-  <!-- gear up -->
-  <model>
-   <path>Aircraft/X15/Models/X15_flight.ac</path>
-  </model> 
-  <!-- gear down -->
-  <model_2>
-   <path>Aircraft/X15/Models/X15_landing.ac</path>
-  </model_2> 
+ <flight-model>jsb</flight-model>
+ <aero>X15</aero>
+ <sound>false</sound>
 
- </sim>
+ <panel>
+  <path>Aircraft/X15/Panels/X15-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
   
+ <!-- switching models doesn't work -->
+ <!-- gear up -->
+ <model>
+  <path>Aircraft/X15/Models/X15_flight.ac</path>
+ </model> 
+ <!-- gear down -->
+ <model_2>
+  <path>Aircraft/X15/Models/X15_landing.ac</path>
+ </model_2> 
+
 </PropertyList>
 
 
diff --git a/Aircraft/a4-yasim-set.xml b/Aircraft/a4-yasim-set.xml
index ad752fcb5..0dcd02700 100644
--- a/Aircraft/a4-yasim-set.xml
+++ b/Aircraft/a4-yasim-set.xml
@@ -11,25 +11,22 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- c172 is default so basically we just need to specify the panel-->
- <sim>
-  <flight-model>yasim</flight-model>
-  <aero>a4</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>yasim</flight-model>
+ <aero>a4</aero>
+ <sound>true</sound>
+
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
   
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
     
-</sim>
-  
 </PropertyList>
 
 
diff --git a/Aircraft/c172-ifr-set.xml b/Aircraft/c172-ifr-set.xml
index f0961d8df..a7a3f1195 100644
--- a/Aircraft/c172-ifr-set.xml
+++ b/Aircraft/c172-ifr-set.xml
@@ -11,26 +11,23 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- c172 is default so basically we just need to specify the panel-->
- <sim>
-  <flight-model>jsb</flight-model>
-  <aero>c172</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-ifr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>jsb</flight-model>
+ <aero>c172</aero>
+ <sound>true</sound>
+
+ <panel>
+  <path>Aircraft/c172/Panels/c172-ifr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
   
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
     
-</sim>
-  
 </PropertyList>
 
 
diff --git a/Aircraft/c172-larcsim-set.xml b/Aircraft/c172-larcsim-set.xml
index aac285085..811964668 100644
--- a/Aircraft/c172-larcsim-set.xml
+++ b/Aircraft/c172-larcsim-set.xml
@@ -11,24 +11,22 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- c172 is default so basically we just need to specify the fdm -->
- <sim>
-  <flight-model>larcsim</flight-model>
-  <aero>c172</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>larcsim</flight-model>
+ <aero>c172</aero>
+ <sound>true</sound>
 
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
-</sim>
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
+
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
   
 </PropertyList>
 
diff --git a/Aircraft/c172-set.xml b/Aircraft/c172-set.xml
index 21d2d54fb..386f0a3fb 100644
--- a/Aircraft/c172-set.xml
+++ b/Aircraft/c172-set.xml
@@ -11,25 +11,23 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
- <sim>
-  <flight-model>jsb</flight-model>
-  <aero>c172</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>jsb</flight-model>
+ <aero>c172</aero>
+ <sound>true</sound>
 
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
+
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
     
-</sim>
-  
 </PropertyList>
 
 
diff --git a/Aircraft/c172-yasim-set.xml b/Aircraft/c172-yasim-set.xml
index 9d9e09537..ecc20c7fa 100644
--- a/Aircraft/c172-yasim-set.xml
+++ b/Aircraft/c172-yasim-set.xml
@@ -11,26 +11,23 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
-<!-- c172 is default so basically we just need to specify the panel-->
- <sim>
-  <flight-model>yasim</flight-model>
-  <aero>c172</aero>
-  <sound>true</sound>
-  
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
 
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
-    
-</sim>
+ <flight-model>yasim</flight-model>
+ <aero>c172</aero>
+ <sound>true</sound>
   
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
+
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
+    
 </PropertyList>
 
 
diff --git a/Aircraft/c310-set.xml b/Aircraft/c310-set.xml
index 992b3236a..7a231fb22 100644
--- a/Aircraft/c310-set.xml
+++ b/Aircraft/c310-set.xml
@@ -12,26 +12,24 @@ October 23 2001 John Check, fgpanels@rockfish.net
 
 <PropertyList>
 <!-- these are the three main components -->
- <sim>
-  <flight-model>jsb</flight-model>
-  <aero>c310</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c310/c310-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c310/c310-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>jsb</flight-model>
+ <aero>c310</aero>
+ <sound>true</sound>
+
+ <panel>
+  <path>Aircraft/c310/c310-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c310/c310-mini-panel.xml</path>
+ </panel_2>
  
-  <!-- you need to download this model from the site listed above -->
-  <model>
-   <path>Aircraft/c310/Models/cessna310r.ac</path>
-  </model> 
+ <!-- you need to download this model from the site listed above -->
+ <model>
+  <path>Aircraft/c310/Models/cessna310r.ac</path>
+ </model> 
 
- </sim>
-  
 </PropertyList>
 
 
diff --git a/Aircraft/c310-yasim-set.xml b/Aircraft/c310-yasim-set.xml
index 4a6c761b9..16a21b84e 100644
--- a/Aircraft/c310-yasim-set.xml
+++ b/Aircraft/c310-yasim-set.xml
@@ -12,26 +12,24 @@ October 23 2001 John Check, fgpanels@rockfish.net
 
 <PropertyList>
 <!-- these are the three main components -->
- <sim>
-  <flight-model>yasim</flight-model>
-  <aero>c310</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c310/c310-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c310/c310-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>yasim</flight-model>
+ <aero>c310</aero>
+ <sound>true</sound>
 
-  <!-- you need to download this from the above website -->
-  <model>
-   <path>Aircraft/c310/Models/cessna310r.ac</path>
-  </model> 
+ <panel>
+  <path>Aircraft/c310/c310-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c310/c310-mini-panel.xml</path>
+ </panel_2>
+
+ <!-- you need to download this from the above website -->
+ <model>
+  <path>Aircraft/c310/Models/cessna310r.ac</path>
+ </model> 
 
- </sim>
-  
 </PropertyList>
 
 
diff --git a/Aircraft/shuttle-set.xml b/Aircraft/shuttle-set.xml
index 6c59dbbe7..990ee7fc7 100644
--- a/Aircraft/shuttle-set.xml
+++ b/Aircraft/shuttle-set.xml
@@ -11,25 +11,23 @@ October 23 2001 John Check, fgpanels@rockfish.net
 -->
 
 <PropertyList>
- <sim>
-  <flight-model>jsb</flight-model>
-  <aero>shuttle</aero>
-  <sound>true</sound>
 
-  <panel>
-   <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
-   <visibility>true</visibility>
-  </panel>
-  <panel_2>
-   <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
-  </panel_2>
+ <flight-model>jsb</flight-model>
+ <aero>shuttle</aero>
+ <sound>true</sound>
+
+ <panel>
+  <path>Aircraft/c172/Panels/c172-vfr-panel.xml</path>
+  <visibility>true</visibility>
+ </panel>
+ <panel_2>
+  <path>Aircraft/c172/Panels/c172-trans-mini-panel.xml</path>
+ </panel_2>
+
+ <model>
+  <path><!-- you need to set this --></path>
+ </model>
 
-  <model>
-   <path><!-- you need to set this --></path>
-  </model>
-    
-</sim>
-  
 </PropertyList>