diff --git a/Aircraft/c172p/Models/c172p-2d-panel.xml b/Aircraft/c172p/Models/c172p-2d-panel.xml
index 694314b37..cf08f57d4 100644
--- a/Aircraft/c172p/Models/c172p-2d-panel.xml
+++ b/Aircraft/c172p/Models/c172p-2d-panel.xml
@@ -344,7 +344,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/lighting/nav-lights</property>
+      <property>controls/lighting/nav-lights</property>
      </binding>
     </action>
    
@@ -357,7 +357,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/lighting/beacon</property>
+      <property>controls/lighting/beacon</property>
      </binding>
     </action>
 
@@ -370,7 +370,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/anti-ice/pitot-heat</property>
+      <property>controls/anti-ice/pitot-heat</property>
      </binding>
     </action>
 
@@ -384,7 +384,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/lighting/strobe</property>
+      <property>controls/lighting/strobe</property>
      </binding>
     </action>
 
@@ -397,7 +397,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/lighting/taxi-light</property>
+      <property>controls/lighting/taxi-light</property>
      </binding>
     </action>
 
@@ -410,7 +410,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
      <h>50</h>
      <binding>
       <command>property-toggle</command>
-      <property>/controls/lighting/landing-lights</property>
+      <property>controls/lighting/landing-lights</property>
      </binding>
     </action>
 
@@ -426,7 +426,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>110</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/flight/elevator-trim</property>
+    <property>controls/flight/elevator-trim</property>
     <step>0.03</step>
     <min>0</min>
     <max>1.0</max>
@@ -443,7 +443,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>110</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/flight/elevator-trim</property>
+    <property>controls/flight/elevator-trim</property>
     <step>-0.03</step>
     <min>0</min>
     <max>1.0</max>
@@ -463,7 +463,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>80</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/flight/flaps</property>
+    <property>controls/flight/flaps</property>
 <step>-0.34</step>
     <min>0</min>
     <max>1.0</max>
@@ -480,7 +480,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>80</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/flight/flaps</property>
+    <property>controls/flight/flaps</property>
     <step>0.34</step>
     <min>0</min>
     <max>1.0</max>
@@ -499,7 +499,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>95</h>
    <binding>
     <command>property-toggle</command>
-    <property>/controls/anti-ice/engine/carb-heat</property>
+    <property>controls/anti-ice/engine/carb-heat</property>
    </binding>
   </action>
 
@@ -517,7 +517,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>90</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/throttle</property>
+    <property>controls/engines/engine/throttle</property>
     <step>-0.07</step>
     <min>0</min>
     <max>1.0</max>
@@ -534,7 +534,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>90</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/throttle</property>
+    <property>controls/engines/engine/throttle</property>
     <step>0.07</step>
     <min>0</min>
     <max>1.0</max>
@@ -551,7 +551,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>100</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/throttle</property>
+    <property>controls/engines/engine/throttle</property>
     <step>-0.07</step>
     <min>0</min>
     <max>1.0</max>
@@ -568,7 +568,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>100</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/throttle</property>
+    <property>controls/engines/engine/throttle</property>
     <step>0.07</step>
     <min>0</min>
     <max>1.0</max>
@@ -600,7 +600,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>90</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/mixture</property>
+    <property>controls/engines/engine/mixture</property>
     <step>-0.03</step>
     <min>0</min>
     <max>1.0</max>
@@ -617,7 +617,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>90</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/mixture</property>
+    <property>controls/engines/engine/mixture</property>
     <step>0.03</step>
     <min>0</min>
     <max>1.0</max>
@@ -635,7 +635,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>100</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/mixture</property>
+    <property>controls/engines/engine/mixture</property>
     <step>-0.03</step>
     <min>0</min>
     <max>1.0</max>
@@ -652,7 +652,7 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
    <h>100</h>
    <binding>
     <command>property-adjust</command>
-    <property>/controls/engines/engine/mixture</property>
+    <property>controls/engines/engine/mixture</property>
     <step>0.03</step>
     <min>0</min>
     <max>1.0</max>
diff --git a/Aircraft/c172p/Models/c172p.xml b/Aircraft/c172p/Models/c172p.xml
index 568ace67f..0d59621c0 100644
--- a/Aircraft/c172p/Models/c172p.xml
+++ b/Aircraft/c172p/Models/c172p.xml
@@ -109,7 +109,7 @@
   <type>translate</type>
   <object-name>LeftYoke</object-name>
   <object-name>RightYoke</object-name>
-  <property>/controls/flight/elevator</property>
+  <property>controls/flight/elevator</property>
   <factor>-0.03</factor>
   <axis>
    <x>1.0</x>
@@ -121,7 +121,7 @@
  <animation>
   <type>rotate</type>
   <object-name>LeftYoke</object-name>
-  <property>/controls/flight/aileron</property>
+  <property>controls/flight/aileron</property>
   <factor>-45</factor>
   <center>
    <x-m>-0.23</x-m>
@@ -138,7 +138,7 @@
  <animation>
   <type>rotate</type>
   <object-name>RightYoke</object-name>
-  <property>/controls/flight/aileron</property>
+  <property>controls/flight/aileron</property>
   <factor>-45</factor>
   <center>
    <x-m>-0.23</x-m>
@@ -155,7 +155,7 @@
  <animation>
   <type>translate</type>
   <object-name>CarbHeatGroup</object-name>
-  <property>/controls/anti-ice/engine[0]/carb-heat</property>
+  <property>controls/anti-ice/engine[0]/carb-heat</property>
   <factor>-0.04</factor>
   <axis>
    <x>1.0</x>
@@ -167,7 +167,7 @@
  <animation>
   <type>translate</type>
   <object-name>ThrottleGroup</object-name>
-  <property>/controls/engines/engine[0]/throttle</property>
+  <property>controls/engines/engine[0]/throttle</property>
   <factor>-0.10</factor>
   <axis>
    <x>1.0</x>
@@ -179,7 +179,7 @@
  <animation>
   <type>translate</type>
   <object-name>MixtureGroup</object-name>
-  <property>/controls/engines/engine[0]/mixture</property>
+  <property>controls/engines/engine[0]/mixture</property>
   <factor>-0.10</factor>
   <axis>
    <x>1.0</x>
@@ -190,7 +190,7 @@
 
  <animation>
   <type>rotate</type>
-  <property>/controls/flight/flaps</property>
+  <property>controls/flight/flaps</property>
   <object-name>FlapSwitchGroup</object-name>
   <factor>60</factor>
   <offset-deg>-30</offset-deg>
@@ -209,7 +209,7 @@
  <animation>
   <type>rotate</type>
   <object-name>TrimWheel</object-name>
-  <property>/controls/flight/elevator-trim</property>
+  <property>controls/flight/elevator-trim</property>
   <factor>-360</factor>
   <axis>
    <x>0.0</x>
@@ -226,7 +226,7 @@
  <animation>
   <type>rotate</type>
   <object-name>TaxiLightSwitch</object-name>
-  <property>/controls/lighting/taxi-light</property>
+  <property>controls/lighting/taxi-light</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -243,7 +243,7 @@
  <animation>
   <type>rotate</type>
   <object-name>LandingLightSwitch</object-name>
-  <property>/controls/lighting/landing-lights</property>
+  <property>controls/lighting/landing-lights</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -260,7 +260,7 @@
  <animation>
   <type>rotate</type>
   <object-name>PitotHeatSwitch</object-name>
-  <property>/controls/anti-ice/pitot-heat</property>
+  <property>controls/anti-ice/pitot-heat</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -277,7 +277,7 @@
  <animation>
   <type>rotate</type>
   <object-name>NavLightSwitch</object-name>
-  <property>/controls/lighting/nav-lights</property>
+  <property>controls/lighting/nav-lights</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -294,7 +294,7 @@
  <animation>
   <type>rotate</type>
   <object-name>BeaconSwitch</object-name>
-  <property>/controls/lighting/beacon</property>
+  <property>controls/lighting/beacon</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -311,7 +311,7 @@
  <animation>
   <type>rotate</type>
   <object-name>StrobeSwitch</object-name>
-  <property>/controls/lighting/strobe</property>
+  <property>controls/lighting/strobe</property>
   <factor>-55</factor>
   <axis>
    <x>0.0</x>
@@ -350,7 +350,7 @@
   <object-name>Propeller</object-name>
   <condition>
    <less-than>
-    <property>/engines/engine[0]/rpm</property>
+    <property>engines/engine[0]/rpm</property>
     <value>200</value>
    </less-than>
   </condition>
@@ -362,11 +362,11 @@
   <condition>
    <and>
     <greater-than>
-     <property>/engines/engine[0]/rpm</property>
+     <property>engines/engine[0]/rpm</property>
      <value>190</value>
     </greater-than>
     <less-than>
-     <property>/engines/engine[0]/rpm</property>
+     <property>engines/engine[0]/rpm</property>
      <value>1200</value>
     </less-than>
    </and>
@@ -378,7 +378,7 @@
   <object-name>Propeller.Fast</object-name>
   <condition>
    <greater-than>
-    <property>/engines/engine[0]/rpm</property>
+    <property>engines/engine[0]/rpm</property>
     <value>1200</value>
    </greater-than>
   </condition>
@@ -390,7 +390,7 @@
   <object-name>RightNavLightOn</object-name>
   <object-name>RearNavLightOn</object-name>
   <condition>
-   <property>/controls/lighting/nav-lights</property>
+   <property>controls/lighting/nav-lights</property>
   </condition>
  </animation>
 
@@ -401,7 +401,7 @@
   <object-name>RearNavLightOff</object-name>
   <condition>
    <not>
-    <property>/controls/lighting/nav-lights</property>
+    <property>controls/lighting/nav-lights</property>
    </not>
   </condition>
  </animation>
@@ -418,14 +418,14 @@
   <type>select</type>
   <object-name>BeaconFlasher</object-name>
   <condition>
-   <property>/controls/lighting/beacon</property>
+   <property>controls/lighting/beacon</property>
   </condition>
  </animation>
 
  <animation>
   <type>spin</type>
   <object-name>Propeller</object-name>
-  <property>/engines/engine[0]/rpm</property>
+  <property>engines/engine[0]/rpm</property>
   <factor>-1</factor>
   <center>
    <x-m>-1.77</x-m>
@@ -442,7 +442,7 @@
  <animation>
   <type>spin</type>
   <object-name>Propeller.Slow</object-name>
-  <property>/engines/engine[0]/rpm</property>
+  <property>engines/engine[0]/rpm</property>
   <factor>-0.1</factor>
   <center>
    <x-m>-1.77</x-m>
@@ -459,7 +459,7 @@
  <animation>
   <type>spin</type>
   <object-name>Propeller.Fast</object-name>
-  <property>/engines/engine[0]/rpm</property>
+  <property>engines/engine[0]/rpm</property>
   <factor>-0.001</factor>
   <center>
    <x-m>-1.77</x-m>
@@ -477,7 +477,7 @@
   <type>rotate</type>
   <object-name>NoseWheel</object-name>
   <object-name>NoseWheelStrut</object-name>
-  <property>/surface-positions/rudder-pos-norm</property>
+  <property>surface-positions/rudder-pos-norm</property>
   <factor>-30.0</factor>
   <center>
    <x-m>-1.36</x-m>
@@ -494,7 +494,7 @@
  <animation>
   <type>rotate</type>
   <object-name>LeftAileron</object-name>
-  <property>/surface-positions/left-aileron-pos-norm</property>
+  <property>surface-positions/left-aileron-pos-norm</property>
   <interpolation>
    <entry>
     <ind>-1.0</ind>
@@ -524,7 +524,7 @@
  <animation>
   <type>rotate</type>
   <object-name>RightAileron</object-name>
-  <property>/surface-positions/right-aileron-pos-norm</property>
+  <property>surface-positions/right-aileron-pos-norm</property>
   <interpolation>
    <entry>
     <ind>-1.0</ind>
@@ -555,7 +555,7 @@
   <type>translate</type>
   <object-name>LeftFlap</object-name>
   <object-name>RightFlap</object-name>
-  <property>/surface-positions/flap-pos-norm</property>
+  <property>surface-positions/flap-pos-norm</property>
   <factor>0.15</factor>
   <axis>
    <x>1.0</x>
@@ -567,7 +567,7 @@
  <animation>
   <type>rotate</type>
   <object-name>LeftFlap</object-name>
-  <property>/surface-positions/flap-pos-norm</property>
+  <property>surface-positions/flap-pos-norm</property>
   <factor>30</factor>
   <center>
    <x-m>0.76</x-m>
@@ -584,7 +584,7 @@
  <animation>
   <type>rotate</type>
   <object-name>RightFlap</object-name>
-  <property>/surface-positions/flap-pos-norm</property>
+  <property>surface-positions/flap-pos-norm</property>
   <factor>30</factor>
   <center>
    <x-m>0.76</x-m>
@@ -602,7 +602,7 @@
   <type>rotate</type>
   <object-name>Elevators</object-name>
   <object-name>ElevatorTrimTab</object-name>
-  <property>/surface-positions/elevator-pos-norm</property>
+  <property>surface-positions/elevator-pos-norm</property>
   <interpolation>
    <entry>
     <ind>-1.0</ind>
@@ -632,7 +632,7 @@
  <animation>
   <type>rotate</type>
   <object-name>ElevatorTrimTab</object-name>
-  <property>/controls/flight/elevator-trim</property>
+  <property>controls/flight/elevator-trim</property>
   <factor>25</factor>
   <center>
    <x-m>5.06</x-m>
@@ -649,7 +649,7 @@
  <animation>
   <type>rotate</type>
   <object-name>Rudder</object-name>
-  <property>/surface-positions/rudder-pos-norm</property>
+  <property>surface-positions/rudder-pos-norm</property>
   <factor>17.5</factor>
   <center>
    <x-m>4.84</x-m>