diff --git a/Aircraft/c172p/c172-approach-overlay.xml b/Aircraft/c172p/c172-approach-overlay.xml
new file mode 100644
index 000000000..538d73a1c
--- /dev/null
+++ b/Aircraft/c172p/c172-approach-overlay.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+
+<PropertyList>
+  <name type="string" n="0">approach</name>
+  <name type="string" n="1">circuit</name>
+
+  <overlay>
+    <foo type="int">42</foo>
+  </overlay>
+</PropertyList>
diff --git a/Aircraft/c172p/c172-cruise-overlay.xml b/Aircraft/c172p/c172-cruise-overlay.xml
new file mode 100644
index 000000000..51f042ba7
--- /dev/null
+++ b/Aircraft/c172p/c172-cruise-overlay.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+
+<PropertyList>
+  <name type="string" n="0">cruise</name>
+  <name type="string" n="1">climb</name>
+
+  <overlay>
+  <wibble type="bool">true</wibble>
+
+  <sim>
+  <dimensions>
+      <radius-m type="double">10</radius-m>
+  </dimensions>
+  </sim>
+</overlay>
+
+</PropertyList>
diff --git a/Aircraft/c172p/c172p-set.xml b/Aircraft/c172p/c172p-set.xml
index c1d464aac..96f932b8a 100644
--- a/Aircraft/c172p/c172p-set.xml
+++ b/Aircraft/c172p/c172p-set.xml
@@ -430,6 +430,9 @@ http://forum.flightgear.org/viewtopic.php?f=4&t=25157
         <mouse>
             <invert-mouse-wheel type="bool">true</invert-mouse-wheel>
         </mouse>
+
+        <state include="c172-approach-overlay.xml" n="0"/>
+        <state include="c172-cruise-overlay.xml" n="1"/>
     </sim>
 
     <controls>