diff --git a/Aircraft/Generic/generic-autopilot.xml b/Aircraft/Generic/generic-autopilot.xml
index 31bec1c63..b1806eaa4 100644
--- a/Aircraft/Generic/generic-autopilot.xml
+++ b/Aircraft/Generic/generic-autopilot.xml
@@ -427,7 +427,7 @@
       <prop>/velocities/vertical-speed-fps</prop>
     </input>
     <reference>
-      <prop>/radios/nav[0]/gs-rate-of-climb</prop>
+      <prop>/instrumentation/nav[0]/gs-rate-of-climb</prop>
     </reference>
      <output>
       <prop>/controls/flight/elevator-trim</prop>
diff --git a/Aircraft/Instruments-3d/vor/vor.xml b/Aircraft/Instruments-3d/vor/vor.xml
index 88c8a9570..8317c7eb3 100644
--- a/Aircraft/Instruments-3d/vor/vor.xml
+++ b/Aircraft/Instruments-3d/vor/vor.xml
@@ -8,7 +8,7 @@
   <name>LocalizerNeedleTransform</name>
   <type>rotate</type>
   <object-name>LocalizerNeedle</object-name>
-  <property>/radios/nav[0]/heading-needle-deflection</property>
+  <property>/instrumentation/nav[0]/heading-needle-deflection</property>
   <factor>-3.2</factor>
   <center>
    <x-m>0</x-m>
@@ -26,7 +26,7 @@
   <name>GlidescopeNeedleTransform</name>
   <type>rotate</type>
   <object-name>GlidescopeNeedle</object-name>
-  <property>/radios/nav[0]/gs-needle-deflection</property>
+  <property>/instrumentation/nav[0]/gs-needle-deflection</property>
   <factor>-3.2</factor>
   <center>
    <x-m>0</x-m>
@@ -44,7 +44,7 @@
   <name>RingTransform</name>
   <type>rotate</type>
   <object-name>Ring</object-name>
-  <property>/radios/nav[0]/radials/selected-deg</property>
+  <property>/instrumentation/nav[0]/radials/selected-deg</property>
   <factor>-1</factor>
   <axis>
    <x>-1</x>
diff --git a/Aircraft/Instruments/dme.xml b/Aircraft/Instruments/dme.xml
index 7331ac1d4..d41db8a90 100644
--- a/Aircraft/Instruments/dme.xml
+++ b/Aircraft/Instruments/dme.xml
@@ -371,7 +371,7 @@ properties' values.
     </condition>
     <command>property-assign</command>
     <property>/instrumentation/dme/frequencies/source</property>
-    <value>/radios/nav[0]/frequencies/selected-mhz</value>
+    <value>/instrumentation/nav[0]/frequencies/selected-mhz</value>
    </binding>
    <binding>
     <condition>
@@ -393,7 +393,7 @@ properties' values.
     </condition>
     <command>property-assign</command>
     <property>/instrumentation/dme/frequencies/selected-mhz</property>
-    <property>/radios/nav[1]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[1]/frequencies/selected-mhz</property>
    </binding>
   </action>
 
@@ -421,7 +421,7 @@ properties' values.
     </condition>
     <command>property-assign</command>
     <property>/instrumentation/dme/frequencies/source</property>
-    <value>/radios/nav[0]/frequencies/selected-mhz</value>
+    <value>/instrumentation/nav[0]/frequencies/selected-mhz</value>
    </binding>
    <binding>
     <condition>
@@ -443,7 +443,7 @@ properties' values.
     </condition>
     <command>property-assign</command>
     <property>/instrumentation/dme/frequencies/selected-mhz</property>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
    </binding>
    <binding>
     <condition>
@@ -454,7 +454,7 @@ properties' values.
     </condition>
     <command>property-assign</command>
     <property>/instrumentation/dme/frequencies/source</property>
-    <value>/radios/nav[1]/frequencies/selected-mhz</value>
+    <value>/instrumentation/nav[1]/frequencies/selected-mhz</value>
    </binding>
   </action>
 
diff --git a/Aircraft/Instruments/hsi-bk-hi.xml b/Aircraft/Instruments/hsi-bk-hi.xml
index 7523973af..60c820d10 100644
--- a/Aircraft/Instruments/hsi-bk-hi.xml
+++ b/Aircraft/Instruments/hsi-bk-hi.xml
@@ -18,13 +18,13 @@ Mar 18 2003
  <h-base>512</h-base>
  
  <params>
-  <gs-needle>/radios/nav[0]/gs-needle-deflection</gs-needle>
-  <vor-needle>/radios/nav[0]/heading-needle-deflection</vor-needle>
-  <radial-selected-deg>/radios/nav[0]/radials/selected-deg</radial-selected-deg>
-  <to-flag>/radios/nav[0]/to-flag</to-flag>
-  <from-flag>/radios/nav[0]/from-flag</from-flag>
-  <vor-in-range>/radios/nav[0]/in-range</vor-in-range>
-  <has-gs>/radios/nav[0]/has-gs</has-gs>
+  <gs-needle>/instrumentation/nav[0]/gs-needle-deflection</gs-needle>
+  <vor-needle>/instrumentation/nav[0]/heading-needle-deflection</vor-needle>
+  <radial-selected-deg>/instrumentation/nav[0]/radials/selected-deg</radial-selected-deg>
+  <to-flag>/instrumentation/nav[0]/to-flag</to-flag>
+  <from-flag>/instrumentation/nav[0]/from-flag</from-flag>
+  <vor-in-range>/instrumentation/nav[0]/in-range</vor-in-range>
+  <has-gs>/instrumentation/nav[0]/has-gs</has-gs>
   <heading-deg>/orientation/heading-magnetic-deg</heading-deg>
   <autopilot-heading-deg>/autopilot/settings/heading-bug-deg</autopilot-heading-deg>
  </params>
diff --git a/Aircraft/Instruments/hsi-hi.xml b/Aircraft/Instruments/hsi-hi.xml
index 6c4ae9e62..8a6c2d6fb 100644
--- a/Aircraft/Instruments/hsi-hi.xml
+++ b/Aircraft/Instruments/hsi-hi.xml
@@ -12,7 +12,7 @@ Started 24-7-01 by Timothy Gale
     <h-base>128</h-base>
 
  <params>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
   <hsi-has-gs-needle>/sim/instrument-options/hsi[0]/has-gs-needle</hsi-has-gs-needle>
  </params>
 
@@ -45,7 +45,7 @@ Started 24-7-01 by Timothy Gale
    <type>switch</type>
    <layer>
     <condition>
-     <property>/radios/nav[0]/to-flag</property>
+     <property>/instrumentation/nav[0]/to-flag</property>
     </condition>
     <name>TO flag</name>
     <texture>
@@ -63,7 +63,7 @@ Started 24-7-01 by Timothy Gale
     <type>switch</type>
     <layer>
      <condition>
-      <property>/radios/nav[0]/from-flag</property>
+      <property>/instrumentation/nav[0]/from-flag</property>
      </condition>
      <name>FROM flag</name>
      <texture>
@@ -99,7 +99,7 @@ Started 24-7-01 by Timothy Gale
    </transformation>
    <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <min>0.0</min>
     <max>360.0</max>
     <scale>1.0</scale>
@@ -164,7 +164,7 @@ Started 24-7-01 by Timothy Gale
     </transformation>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>0.0</min>
      <max>360.0</max>
      <scale>1.0</scale>
@@ -193,14 +193,14 @@ Started 24-7-01 by Timothy Gale
    </transformation>
     <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <min>0.0</min>
     <max>360</max>
     <scale>1.0</scale>
    </transformation>
    <transformation>
     <type>x-shift</type>
-    <property>/radios/nav[0]/heading-needle-deflection</property>
+    <property>/instrumentation/nav[0]/heading-needle-deflection</property>
     <min>-10.0</min>
     <max>10.0</max>
     <scale>3.2</scale>
@@ -420,7 +420,7 @@ Started 24-7-01 by Timothy Gale
     </transformation>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>0</min>
      <max>360</max>
     </transformation>
@@ -438,7 +438,7 @@ Started 24-7-01 by Timothy Gale
     <h>24</h>
     <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>-1.0</step>
     <min>0</min>
     <max>360</max>
@@ -455,7 +455,7 @@ Started 24-7-01 by Timothy Gale
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>-5.0</step>
    <min>0</min>
    <max>360</max>
@@ -472,7 +472,7 @@ Started 24-7-01 by Timothy Gale
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>1.0</step>
    <min>0</min>
    <max>360</max>
@@ -489,7 +489,7 @@ Started 24-7-01 by Timothy Gale
     <h>24</h>
     <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>5.0</step>
     <min>0</min>
     <max>360</max>
diff --git a/Aircraft/Instruments/hsi.xml b/Aircraft/Instruments/hsi.xml
index 501bc1e1a..159ec61b9 100644
--- a/Aircraft/Instruments/hsi.xml
+++ b/Aircraft/Instruments/hsi.xml
@@ -12,7 +12,7 @@ Started 24-7-01 by Timothy Gale
     <h-base>128</h-base>
 
  <params>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
   <hsi-has-gs-needle>/sim/instrument-options/hsi[0]/has-gs-needle</hsi-has-gs-needle>
  </params>
 
@@ -45,7 +45,7 @@ Started 24-7-01 by Timothy Gale
    <type>switch</type>
    <layer>
     <condition>
-     <property>/radios/nav[0]/to-flag</property>
+     <property>/instrumentation/nav[0]/to-flag</property>
     </condition>
     <name>TO flag</name>
     <texture>
@@ -63,7 +63,7 @@ Started 24-7-01 by Timothy Gale
     <type>switch</type>
     <layer>
      <condition>
-      <property>/radios/nav[0]/from-flag</property>
+      <property>/instrumentation/nav[0]/from-flag</property>
      </condition>
      <name>FROM flag</name>
      <texture>
@@ -99,7 +99,7 @@ Started 24-7-01 by Timothy Gale
    </transformation>
    <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <min>-360.0</min>
     <max>360.0</max>
     <scale>1.0</scale>
@@ -164,7 +164,7 @@ Started 24-7-01 by Timothy Gale
     </transformation>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>-360.0</min>
      <max>360.0</max>
      <scale>1.0</scale>
@@ -193,14 +193,14 @@ Started 24-7-01 by Timothy Gale
    </transformation>
     <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <min>-360.0</min>
     <max>360.0</max>
     <scale>1.0</scale>
    </transformation>
    <transformation>
     <type>x-shift</type>
-    <property>/radios/nav[0]/heading-needle-deflection</property>
+    <property>/instrumentation/nav[0]/heading-needle-deflection</property>
     <min>-10.0</min>
     <max>10.0</max>
     <scale>3.2</scale>
@@ -444,7 +444,7 @@ Started 24-7-01 by Timothy Gale
     </transformation>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>0</min>
      <max>360</max>
     </transformation>
@@ -462,7 +462,7 @@ Started 24-7-01 by Timothy Gale
     <h>24</h>
     <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>-1.0</step>
     <min>0</min>
     <max>360</max>
@@ -479,7 +479,7 @@ Started 24-7-01 by Timothy Gale
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>-5.0</step>
    <min>0</min>
    <max>360</max>
@@ -496,7 +496,7 @@ Started 24-7-01 by Timothy Gale
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>1.0</step>
    <min>0</min>
    <max>360</max>
@@ -513,7 +513,7 @@ Started 24-7-01 by Timothy Gale
     <h>24</h>
     <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>5.0</step>
     <min>0</min>
     <max>360</max>
diff --git a/Aircraft/Instruments/hsi2.xml b/Aircraft/Instruments/hsi2.xml
index 3a9e0551d..8f4c0451f 100644
--- a/Aircraft/Instruments/hsi2.xml
+++ b/Aircraft/Instruments/hsi2.xml
@@ -12,10 +12,10 @@ Started 24-7-01 by Timothy Gale
  <h-base>134</h-base>
 
  <params>
-  <nav-radial-selected>/radios/nav[0]/radials/selected-deg</nav-radial-selected>
-  <nav-to-flag>/radios/nav[0]/to-flag</nav-to-flag>
-  <nav-from-flag>/radios/nav[0]/from-flag</nav-from-flag>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-radial-selected>/instrumentation/nav[0]/radials/selected-deg</nav-radial-selected>
+  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag>
+  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
   <hsi-has-gs-needle>/sim/instrument-options/hsi[0]/has-gs-needle</hsi-has-gs-needle>
   <heading-deg>/orientation/heading-magnetic-deg</heading-deg>
   <autopilot-heading-deg>/autopilot/settings/heading-bug-deg</autopilot-heading-deg>
@@ -148,7 +148,7 @@ Started 24-7-01 by Timothy Gale
    <scale>-1.0</scale>
   </transformation>
   <transformation>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <type>rotation</type>   
    <scale>1.0</scale>
   </transformation>
@@ -211,7 +211,7 @@ Started 24-7-01 by Timothy Gale
    </transformation>
    <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <type>rotation</type>
     <scale>1.0</scale>
    </transformation>
@@ -237,13 +237,13 @@ Started 24-7-01 by Timothy Gale
    </transformation>
    <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <type>rotation</type>   
     <scale>1.0</scale>
    </transformation>
    <transformation>
     <type>x-shift</type>
-    <property>/radios/nav[0]/heading-needle-deflection</property>
+    <property>/instrumentation/nav[0]/heading-needle-deflection</property>
     <min>-10.0</min>
     <max>10.0</max>
     <scale>2.2</scale>
@@ -450,7 +450,7 @@ Started 24-7-01 by Timothy Gale
    </transformation>
    <transformation>
     <type>rotation</type>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <min>0</min>
     <max>360</max>
    </transformation>
@@ -468,7 +468,7 @@ Started 24-7-01 by Timothy Gale
   <h>24</h>
   <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>-1.0</step>
    <min>0</min>
    <max>360</max>
@@ -485,7 +485,7 @@ Started 24-7-01 by Timothy Gale
   <h>24</h>
   <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>-5.0</step>
    <min>0</min>
    <max>360</max>
@@ -502,7 +502,7 @@ Started 24-7-01 by Timothy Gale
   <h>24</h>
   <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>1.0</step>
    <min>0</min>
    <max>360</max>
@@ -519,7 +519,7 @@ Started 24-7-01 by Timothy Gale
   <h>24</h>
   <binding>
    <command>property-adjust</command>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
    <step>5.0</step>
    <min>0</min>
    <max>360</max>
diff --git a/Aircraft/Instruments/nav1-hi.xml b/Aircraft/Instruments/nav1-hi.xml
index 2657e8336..e6752bf83 100644
--- a/Aircraft/Instruments/nav1-hi.xml
+++ b/Aircraft/Instruments/nav1-hi.xml
@@ -29,11 +29,11 @@ properties' values.
  <h-base>128</h-base>
 
  <params>
-  <nav-to-flag>/radios/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/radios/nav[0]/from-flag</nav-from-flag> -->
-  <nav-radial-selected>/radios/nav[0]/radials/selected-deg</nav-radial-selected>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
-  <nav-heading-needle-deflection>/radios/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
+  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
+  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <nav-radial-selected>/instrumentation/nav[0]/radials/selected-deg</nav-radial-selected>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-heading-needle-deflection>/instrumentation/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
   <nav-has-gs-needle>/sim/instrument-options/nav[0]/has-gs-needle</nav-has-gs-needle>
   <nav-needles-pivot>/sim/instrument-options/nav[0]/needles-pivot</nav-needles-pivot>
  </params>
diff --git a/Aircraft/Instruments/nav1.xml b/Aircraft/Instruments/nav1.xml
index 0b6404c91..d40fa5cc5 100644
--- a/Aircraft/Instruments/nav1.xml
+++ b/Aircraft/Instruments/nav1.xml
@@ -29,11 +29,11 @@ properties' values.
  <h-base>128</h-base>
 
  <params>
-  <nav-to-flag>/radios/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/radios/nav[0]/from-flag</nav-from-flag> -->
-  <nav-radial-selected>/radios/nav[0]/radials/selected-deg</nav-radial-selected>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
-  <nav-heading-needle-deflection>/radios/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
+  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
+  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <nav-radial-selected>/instrumentation/nav[0]/radials/selected-deg</nav-radial-selected>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-heading-needle-deflection>/instrumentation/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
   <nav-has-gs-needle>/sim/instrument-options/nav[0]/has-gs-needle</nav-has-gs-needle>
   <nav-needles-pivot>/sim/instrument-options/nav[0]/needles-pivot</nav-needles-pivot>
  </params>
diff --git a/Aircraft/Instruments/nav3.xml b/Aircraft/Instruments/nav3.xml
index 13f8f632d..5ea235775 100644
--- a/Aircraft/Instruments/nav3.xml
+++ b/Aircraft/Instruments/nav3.xml
@@ -45,7 +45,7 @@ properties' values.
    <transformations>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>0</min>
      <max>360</max>
      <scale>-1.0</scale>
@@ -60,7 +60,7 @@ properties' values.
    <h>64</h>
    <layer>
     <condition>
-     <property>/radios/dme/in-range</property>
+     <property>/instrumentation/dme/in-range</property>
     </condition>
     <name>display</name>
     <type>text</type>
@@ -73,7 +73,7 @@ properties' values.
     <chunks>
      <chunk>
       <type>number-value</type>
-      <property>/radios/dme/distance-nm</property>
+      <property>/instrumentation/dme/distance-nm</property>
       <format>%3.1f</format>
      </chunk>
     </chunks>
@@ -118,7 +118,7 @@ properties' values.
    <chunks>
     <chunk>
      <type>number-value</type>
-     <property>/radios/nav[0]/frequencies/selected-mhz</property>
+     <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
      <format>%3.2f</format>
     </chunk>
    </chunks>
@@ -151,7 +151,7 @@ properties' values.
    <type>switch</type>
    <layer>
     <condition>
-     <property>/radios/nav[0]/to-flag</property>
+     <property>/instrumentation/nav[0]/to-flag</property>
     </condition>
     <name>TO flag</name>
     <texture>
@@ -169,7 +169,7 @@ properties' values.
     <type>switch</type>
     <layer>
      <condition>
-      <property>/radios/nav[1]/from-flag</property>
+      <property>/instrumentation/nav[1]/from-flag</property>
      </condition>
      <name>FROM flag</name>
      <texture>
@@ -216,7 +216,7 @@ properties' values.
    <transformations>
     <transformation>
      <type>x-shift</type>
-     <property>/radios/nav[0]/heading-needle-deflection</property>
+     <property>/instrumentation/nav[0]/heading-needle-deflection</property>
      <min>-10.0</min>
      <max>10.0</max>
      <scale>3.2</scale>
@@ -311,7 +311,7 @@ properties' values.
     </transformation>
     <transformation>
      <type>rotation</type>
-     <property>/radios/nav[0]/radials/selected-deg</property>
+     <property>/instrumentation/nav[0]/radials/selected-deg</property>
      <min>0</min>
      <max>360</max>
     </transformation>
@@ -384,7 +384,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
     <step>-0.05</step>
     <min>108.0</min>
     <max>118.0</max>
@@ -402,7 +402,7 @@ properties' values.
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
     <step>-0.5</step>
     <min>108.0</min>
     <max>118.0</max>
@@ -420,7 +420,7 @@ properties' values.
    <h>24</h>
    <binding>
    <command>property-adjust</command>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
     <step>-0.05</step>
     <min>108.0</min>
     <max>118.0</max>
@@ -438,7 +438,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
     <step>-0.5</step>
     <min>108.0</min>
     <max>118.0</max>
@@ -456,7 +456,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>-1.0</step>
     <min>0</min>
     <max>360</max>
@@ -473,7 +473,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>-5.0</step>
     <min>0</min>
     <max>360</max>
@@ -490,7 +490,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>1.0</step>
     <min>0</min>
     <max>360</max>
@@ -507,7 +507,7 @@ properties' values.
    <h>24</h>
    <binding>
     <command>property-adjust</command>
-    <property>/radios/nav[0]/radials/selected-deg</property>
+    <property>/instrumentation/nav[0]/radials/selected-deg</property>
     <step>5.0</step>
     <min>0</min>
     <max>360</max>
diff --git a/Aircraft/Instruments/navcom-kx155.xml b/Aircraft/Instruments/navcom-kx155.xml
index f18ca3459..411914857 100644
--- a/Aircraft/Instruments/navcom-kx155.xml
+++ b/Aircraft/Instruments/navcom-kx155.xml
@@ -31,12 +31,12 @@ properties' values.
  <h-base>86</h-base>
 
  <params>
-  <comm-freq-selected-prop>/radios/comm[0]/frequencies/selected-mhz</comm-freq-selected-prop>
-  <comm-freq-standby-prop>/radios/comm[0]/frequencies/standby-mhz</comm-freq-standby-prop>
-  <nav-freq-selected-prop>/radios/nav[0]/frequencies/selected-mhz</nav-freq-selected-prop>
-  <nav-freq-standby-prop>/radios/nav[0]/frequencies/standby-mhz</nav-freq-standby-prop>
-  <nav-morse-id-volume-prop>/radios/nav[0]/volume</nav-morse-id-volume-prop>
-  <nav-morse-ident-toggle-prop>/radios/nav[0]/ident</nav-morse-ident-toggle-prop>
+  <comm-freq-selected-prop>/instrumentation/comm[0]/frequencies/selected-mhz</comm-freq-selected-prop>
+  <comm-freq-standby-prop>/instrumentation/comm[0]/frequencies/standby-mhz</comm-freq-standby-prop>
+  <nav-freq-selected-prop>/instrumentation/nav[0]/frequencies/selected-mhz</nav-freq-selected-prop>
+  <nav-freq-standby-prop>/instrumentation/nav[0]/frequencies/standby-mhz</nav-freq-standby-prop>
+  <nav-morse-id-volume-prop>/instrumentation/nav[0]/volume</nav-morse-id-volume-prop>
+  <nav-morse-ident-toggle-prop>/instrumentation/nav[0]/ident</nav-morse-ident-toggle-prop>
  </params>
 
  <layers>
diff --git a/Aircraft/Instruments/navcom-radio.xml b/Aircraft/Instruments/navcom-radio.xml
index 1ffd51b5a..a0eb42466 100644
--- a/Aircraft/Instruments/navcom-radio.xml
+++ b/Aircraft/Instruments/navcom-radio.xml
@@ -31,12 +31,12 @@ properties' values.
  <h-base>64</h-base>
 
  <params>
-  <comm-freq-selected-prop>/radios/comm[0]/frequencies/selected-mhz</comm-freq-selected-prop>
-  <comm-freq-standby-prop>/radios/comm[0]/frequencies/standby-mhz</comm-freq-standby-prop>
-  <nav-freq-selected-prop>/radios/nav[0]/frequencies/selected-mhz</nav-freq-selected-prop>
-  <nav-freq-standby-prop>/radios/nav[0]/frequencies/standby-mhz</nav-freq-standby-prop>
-  <nav-morse-id-volume-prop>/radios/nav[0]/volume</nav-morse-id-volume-prop>
-  <nav-morse-ident-toggle-prop>/radios/nav[0]/ident</nav-morse-ident-toggle-prop>
+  <comm-freq-selected-prop>/instrumentation/comm[0]/frequencies/selected-mhz</comm-freq-selected-prop>
+  <comm-freq-standby-prop>/instrumentation/comm[0]/frequencies/standby-mhz</comm-freq-standby-prop>
+  <nav-freq-selected-prop>/instrumentation/nav[0]/frequencies/selected-mhz</nav-freq-selected-prop>
+  <nav-freq-standby-prop>/instrumentation/nav[0]/frequencies/standby-mhz</nav-freq-standby-prop>
+  <nav-morse-id-volume-prop>/instrumentation/nav[0]/volume</nav-morse-id-volume-prop>
+  <nav-morse-ident-toggle-prop>/instrumentation/nav[0]/ident</nav-morse-ident-toggle-prop>
  </params>
 
  <layers>
diff --git a/Aircraft/Instruments/vor1-c172s.xml b/Aircraft/Instruments/vor1-c172s.xml
index 5bf00c4b1..6b1f35881 100644
--- a/Aircraft/Instruments/vor1-c172s.xml
+++ b/Aircraft/Instruments/vor1-c172s.xml
@@ -18,14 +18,14 @@ Jan 26 2003
  <h-base>512</h-base>
 
  <params>
-  <nav-to-flag>/radios/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/radios/nav[0]/from-flag</nav-from-flag> -->
-  <nav-radial-selected>/radios/nav[0]/radials/selected-deg</nav-radial-selected>
-  <nav-gs-needle-deflection>/radios/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
-  <nav-heading-needle-deflection>/radios/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
+  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
+  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <nav-radial-selected>/instrumentation/nav[0]/radials/selected-deg</nav-radial-selected>
+  <nav-gs-needle-deflection>/instrumentation/nav[0]/gs-needle-deflection</nav-gs-needle-deflection>
+  <nav-heading-needle-deflection>/instrumentation/nav[0]/heading-needle-deflection</nav-heading-needle-deflection>
   <!-- when posible change to nav-gs-in-range -->
-  <nav-gs-in-range>/radios/nav[0]/in-range</nav-gs-in-range>
-  <nav-in-range>/radios/nav[0]/in-range</nav-in-range>
+  <nav-gs-in-range>/instrumentation/nav[0]/in-range</nav-gs-in-range>
+  <nav-in-range>/instrumentation/nav[0]/in-range</nav-in-range>
  </params>
  
  <layers>
diff --git a/Aircraft/Instruments/vor2-c172s.xml b/Aircraft/Instruments/vor2-c172s.xml
index b8a1f89ee..094c39308 100644
--- a/Aircraft/Instruments/vor2-c172s.xml
+++ b/Aircraft/Instruments/vor2-c172s.xml
@@ -18,11 +18,11 @@ Jan 26 2003
  <h-base>512</h-base>
 
  <params>
-  <nav-to-flag>/radios/nav[1]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/radios/nav[1]/from-flag</nav-from-flag> -->
-  <nav-radial-selected>/radios/nav[1]/radials/selected-deg</nav-radial-selected>
-  <nav-heading-needle-deflection>/radios/nav[1]/heading-needle-deflection</nav-heading-needle-deflection>
-  <nav-in-range>/radios/nav[1]/in-range</nav-in-range>
+  <nav-to-flag>/instrumentation/nav[1]/to-flag</nav-to-flag> -->
+  <nav-from-flag>/instrumentation/nav[1]/from-flag</nav-from-flag> -->
+  <nav-radial-selected>/instrumentation/nav[1]/radials/selected-deg</nav-radial-selected>
+  <nav-heading-needle-deflection>/instrumentation/nav[1]/heading-needle-deflection</nav-heading-needle-deflection>
+  <nav-in-range>/instrumentation/nav[1]/in-range</nav-in-range>
  </params>
  
  <layers>
diff --git a/Aircraft/c172p/Models/c172p-2d-panel.xml b/Aircraft/c172p/Models/c172p-2d-panel.xml
index 18da5a9f4..866be0c2b 100644
--- a/Aircraft/c172p/Models/c172p-2d-panel.xml
+++ b/Aircraft/c172p/Models/c172p-2d-panel.xml
@@ -195,11 +195,11 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
   <instrument include="../../Instruments/nav1.xml">
   <name>VOR 2 Gauge</name>
   <params>
-   <nav-to-flag>/radios/nav[1]/to-flag</nav-to-flag>
-   <nav-from-flag>/radios/nav[1]/from-flag</nav-from-flag>
-   <nav-radial-selected>/radios/nav[1]/radials/selected-deg</nav-radial-selected>
-   <nav-gs-needle-deflection>/radios/nav[1]/gs-needle-deflection</nav-gs-needle-deflection>
-   <nav-heading-needle-deflection>/radios/nav[1]/heading-needle-deflection</nav-heading-needle-deflection>
+   <nav-to-flag>/instrumentation/nav[1]/to-flag</nav-to-flag>
+   <nav-from-flag>/instrumentation/nav[1]/from-flag</nav-from-flag>
+   <nav-radial-selected>/instrumentation/nav[1]/radials/selected-deg</nav-radial-selected>
+   <nav-gs-needle-deflection>/instrumentation/nav[1]/gs-needle-deflection</nav-gs-needle-deflection>
+   <nav-heading-needle-deflection>/instrumentation/nav[1]/heading-needle-deflection</nav-heading-needle-deflection>
     <nav-has-gs-needle>/sim/instrument-options/nav[1]/has-gs-needle</nav-has-gs-needle>
     <nav-needles-pivot>/sim/instrument-options/nav[1]/needles-pivot</nav-needles-pivot>
   </params>
@@ -237,12 +237,12 @@ Legacy 2D instruments and actions for the 3D C172P cockpit.
   <instrument include="../../Instruments/navcom-radio.xml">
    <name>NavCom 2 Radio</name>
    <params>
-    <comm-freq-selected-prop>/radios/comm[1]/frequencies/selected-mhz</comm-freq-selected-prop>
-    <comm-freq-standby-prop>/radios/comm[1]/frequencies/standby-mhz</comm-freq-standby-prop>
-    <nav-freq-selected-prop>/radios/nav[1]/frequencies/selected-mhz</nav-freq-selected-prop>
-    <nav-freq-standby-prop>/radios/nav[1]/frequencies/standby-mhz</nav-freq-standby-prop>
-    <nav-morse-id-volume-prop>/radios/nav[1]/volume</nav-morse-id-volume-prop>
-    <nav-morse-ident-toggle-prop>/radios/nav[1]/ident</nav-morse-ident-toggle-prop>
+    <comm-freq-selected-prop>/instrumentation/comm[1]/frequencies/selected-mhz</comm-freq-selected-prop>
+    <comm-freq-standby-prop>/instrumentation/comm[1]/frequencies/standby-mhz</comm-freq-standby-prop>
+    <nav-freq-selected-prop>/instrumentation/nav[1]/frequencies/selected-mhz</nav-freq-selected-prop>
+    <nav-freq-standby-prop>/instrumentation/nav[1]/frequencies/standby-mhz</nav-freq-standby-prop>
+    <nav-morse-id-volume-prop>/instrumentation/nav[1]/volume</nav-morse-id-volume-prop>
+    <nav-morse-ident-toggle-prop>/instrumentation/nav[1]/ident</nav-morse-ident-toggle-prop>
    </params>
    <x>880</x>
    <y>150</y>
diff --git a/Aircraft/c172p/Systems/KAP140.xml b/Aircraft/c172p/Systems/KAP140.xml
index 0a13f723f..7e9611f91 100644
--- a/Aircraft/c172p/Systems/KAP140.xml
+++ b/Aircraft/c172p/Systems/KAP140.xml
@@ -23,7 +23,7 @@
       <value>nav</value>
     </enable>
     <input>
-      <prop>/radios/nav/heading-needle-deflection</prop>
+      <prop>/instrumentation/nav/heading-needle-deflection</prop>
     </input>
     <reference>
       <value>0.0</value>
@@ -53,7 +53,7 @@
       <value>apr</value>
     </enable>
     <input>
-      <prop>/radios/nav/heading-needle-deflection</prop>
+      <prop>/instrumentation/nav/heading-needle-deflection</prop>
     </input>
     <reference>
       <value>0.0</value>
@@ -83,7 +83,7 @@
       <value>rev</value>
     </enable>
     <input>
-      <prop>/radios/nav/heading-needle-deflection</prop>
+      <prop>/instrumentation/nav/heading-needle-deflection</prop>
       <scale>-1.0</scale>
     </input>
     <reference>
@@ -211,7 +211,7 @@
       <value>gs</value>
     </enable>
     <input>
-      <prop>/radios/nav/gs-needle-deflection</prop>
+      <prop>/instrumentation/nav/gs-needle-deflection</prop>
     </input>
     <reference>
       <value>0.0</value>
diff --git a/gui/dialogs/radios.xml b/gui/dialogs/radios.xml
index f43d2cc8c..83d62f803 100644
--- a/gui/dialogs/radios.xml
+++ b/gui/dialogs/radios.xml
@@ -46,7 +46,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/comm[0]/frequencies/selected-mhz</property>
+   <property>/instrumentation/comm[0]/frequencies/selected-mhz</property>
   </input>
 
   <button>
@@ -63,8 +63,8 @@
    </binding>
    <binding>
     <command>property-swap</command>
-    <property>/radios/comm[0]/frequencies/selected-mhz</property>
-    <property>/radios/comm[0]/frequencies/standby-mhz</property>
+    <property>/instrumentation/comm[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/comm[0]/frequencies/standby-mhz</property>
    </binding>
    <binding>
     <command>dialog-update</command>
@@ -83,7 +83,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/comm[0]/frequencies/standby-mhz</property>
+   <property>/instrumentation/comm[0]/frequencies/standby-mhz</property>
   </input>
 
  </group>
@@ -103,7 +103,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/comm[1]/frequencies/selected-mhz</property>
+   <property>/instrumentation/comm[1]/frequencies/selected-mhz</property>
   </input>
 
   <button>
@@ -120,8 +120,8 @@
    </binding>
    <binding>
     <command>property-swap</command>
-    <property>/radios/comm[1]/frequencies/selected-mhz</property>
-    <property>/radios/comm[1]/frequencies/standby-mhz</property>
+    <property>/instrumentation/comm[1]/frequencies/selected-mhz</property>
+    <property>/instrumentation/comm[1]/frequencies/standby-mhz</property>
    </binding>
    <binding>
     <command>dialog-update</command>
@@ -140,7 +140,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/comm[1]/frequencies/standby-mhz</property>
+   <property>/instrumentation/comm[1]/frequencies/standby-mhz</property>
   </input>
 
  </group>
@@ -160,7 +160,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/nav[0]/frequencies/selected-mhz</property>
+   <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
   </input>
 
   <button>
@@ -177,8 +177,8 @@
    </binding>
    <binding>
     <command>property-swap</command>
-    <property>/radios/nav[0]/frequencies/selected-mhz</property>
-    <property>/radios/nav[0]/frequencies/standby-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[0]/frequencies/standby-mhz</property>
    </binding>
    <binding>
     <command>dialog-update</command>
@@ -197,7 +197,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/nav[0]/frequencies/standby-mhz</property>
+   <property>/instrumentation/nav[0]/frequencies/standby-mhz</property>
   </input>
 
   <input>
@@ -207,7 +207,7 @@
    <width>75</width>
    <height>25</height>
    <label>deg</label>
-   <property>/radios/nav[0]/radials/selected-deg</property>
+   <property>/instrumentation/nav[0]/radials/selected-deg</property>
   </input>
 
  </group>
@@ -227,7 +227,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/nav[1]/frequencies/selected-mhz</property>
+   <property>/instrumentation/nav[1]/frequencies/selected-mhz</property>
   </input>
 
   <button>
@@ -244,8 +244,8 @@
    </binding>
    <binding>
     <command>property-swap</command>
-    <property>/radios/nav[1]/frequencies/selected-mhz</property>
-    <property>/radios/nav[1]/frequencies/standby-mhz</property>
+    <property>/instrumentation/nav[1]/frequencies/selected-mhz</property>
+    <property>/instrumentation/nav[1]/frequencies/standby-mhz</property>
    </binding>
    <binding>
     <command>dialog-update</command>
@@ -264,7 +264,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/nav[1]/frequencies/standby-mhz</property>
+   <property>/instrumentation/nav[1]/frequencies/standby-mhz</property>
   </input>
 
   <input>
@@ -274,7 +274,7 @@
    <width>75</width>
    <height>25</height>
    <label>deg</label>
-   <property>/radios/nav[1]/radials/selected-deg</property>
+   <property>/instrumentation/nav[1]/radials/selected-deg</property>
   </input>
 
  </group>
@@ -361,7 +361,7 @@
    <width>75</width>
    <height>25</height>
    <label>MHz</label>
-   <property>/radios/dme/frequencies/selected-khz</property>
+   <property>/instrumentation/dme/frequencies/selected-khz</property>
   </input>
 
  </group>