diff --git a/Aircraft/Instruments/adf-c172s.xml b/Aircraft/Instruments/adf-c172s.xml
index 745ea8c4b..34ceaa667 100644
--- a/Aircraft/Instruments/adf-c172s.xml
+++ b/Aircraft/Instruments/adf-c172s.xml
@@ -216,7 +216,6 @@ Mar 6 2003
     <wrap>true</wrap>
    </binding>
   </action>
--->
 
  </actions>
 
diff --git a/Aircraft/Instruments/nav1-hi.xml b/Aircraft/Instruments/nav1-hi.xml
index e6752bf83..112cf7ea4 100644
--- a/Aircraft/Instruments/nav1-hi.xml
+++ b/Aircraft/Instruments/nav1-hi.xml
@@ -29,8 +29,8 @@ properties' values.
  <h-base>128</h-base>
 
  <params>
-  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <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>
diff --git a/Aircraft/Instruments/nav1.xml b/Aircraft/Instruments/nav1.xml
index d40fa5cc5..ea25aab39 100644
--- a/Aircraft/Instruments/nav1.xml
+++ b/Aircraft/Instruments/nav1.xml
@@ -29,8 +29,8 @@ properties' values.
  <h-base>128</h-base>
 
  <params>
-  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <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>
diff --git a/Aircraft/Instruments/vor1-c172s.xml b/Aircraft/Instruments/vor1-c172s.xml
index 6b1f35881..6799dd00b 100644
--- a/Aircraft/Instruments/vor1-c172s.xml
+++ b/Aircraft/Instruments/vor1-c172s.xml
@@ -18,8 +18,8 @@ Jan 26 2003
  <h-base>512</h-base>
 
  <params>
-  <nav-to-flag>/instrumentation/nav[0]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/instrumentation/nav[0]/from-flag</nav-from-flag> -->
+  <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>
diff --git a/Aircraft/Instruments/vor2-c172s.xml b/Aircraft/Instruments/vor2-c172s.xml
index 094c39308..6e3ae94b7 100644
--- a/Aircraft/Instruments/vor2-c172s.xml
+++ b/Aircraft/Instruments/vor2-c172s.xml
@@ -18,8 +18,8 @@ Jan 26 2003
  <h-base>512</h-base>
 
  <params>
-  <nav-to-flag>/instrumentation/nav[1]/to-flag</nav-to-flag> -->
-  <nav-from-flag>/instrumentation/nav[1]/from-flag</nav-from-flag> -->
+  <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>