diff --git a/Aircraft/c172-3d-set.xml b/Aircraft/c172-3d-set.xml
index 6c28e3e2d..cd26ebd41 100644
--- a/Aircraft/c172-3d-set.xml
+++ b/Aircraft/c172-3d-set.xml
@@ -15,6 +15,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
  <sim>
 
   <virtual-cockpit archive="y">true</virtual-cockpit>
+  <allow-toggle-cockpit archive="y">true</allow-toggle-cockpit>
 
   <flight-model archive="y">jsb</flight-model>
   <aero archive="y">c172</aero>
@@ -88,3 +89,4 @@ October 23 2001 John Check, fgpanels@rockfish.net
   
 </PropertyList>
 
+
diff --git a/Aircraft/c310u3a-3d-set.xml b/Aircraft/c310u3a-3d-set.xml
index 06d893e5b..27e04b336 100644
--- a/Aircraft/c310u3a-3d-set.xml
+++ b/Aircraft/c310u3a-3d-set.xml
@@ -15,6 +15,8 @@ March 2002 Jim Wilson, jimw@kelcomaine.com
  <sim>
   
   <virtual-cockpit archive="y">true</virtual-cockpit>
+  <allow-toggle-cockpit archive="y">true</allow-toggle-cockpit>
+
   <flight-model archive="y">jsb</flight-model>
   <aero archive="y">c310u3a</aero>
 
@@ -116,3 +118,4 @@ March 2002 Jim Wilson, jimw@kelcomaine.com
 
 
 
+
diff --git a/keyboard.xml b/keyboard.xml
index 13bcea00d..7d88fd7c7 100644
--- a/keyboard.xml
+++ b/keyboard.xml
@@ -635,29 +635,47 @@ calculated by adding 256 to the GLUT key value in glut.h.
   <name>c</name>
   <desc>Toggle 3D/2D cockpit</desc>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <command>property-swap</command>
    <property>/sim/panel[0]/path</property>
    <property>/sim/panel[1]/path</property>
   </binding>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <command>property-assign</command>
    <property>/sim/current-view/heading-offset-deg</property>
    <value type="double">0</value>
   </binding>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <command>property-assign</command>
    <property>/sim/current-view/pitch-offset-deg</property>
    <value type="double">0</value>
   </binding>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <desc>Load panel.</desc>
    <command>panel-load</command>
   </binding>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <command>property-toggle</command>
    <property>/sim/view/internal</property>
   </binding>
   <binding>
+   <condition>
+     <property>/sim/allow-toggle-cockpit</property>
+   </condition>
    <command>property-toggle</command>
    <property>/sim/virtual-cockpit</property>
   </binding>
@@ -699,13 +717,23 @@ calculated by adding 256 to the GLUT key value in glut.h.
   <name>s</name>
   <desc>Swap panels.</desc>
   <binding>
-  <command>property-swap</command>
-  <property>/sim/panel/path</property>
-  <property>/sim/panel_2/path</property>
+   <condition>
+     <not>
+     <property>/sim/allow-toggle-cockpit</property>
+     </not>
+   </condition>
+   <command>property-swap</command>
+   <property>/sim/panel/path</property>
+   <property>/sim/panel_2/path</property>
   </binding>
   <binding>
-  <desc>Load panel.</desc>
-  <command>panel-load</command>
+   <condition>
+     <not>
+     <property>/sim/allow-toggle-cockpit</property>
+     </not>
+   </condition>
+   <desc>Load panel.</desc>
+   <command>panel-load</command>
   </binding>
  </key>
 
@@ -1150,3 +1178,4 @@ calculated by adding 256 to the GLUT key value in glut.h.
 
 
 
+