diff --git a/Aircraft/c172p/Instruments/hi/hi.xml b/Aircraft/c172p/Instruments/hi/hi.xml
index 3eec05ab1..00d593c96 100644
--- a/Aircraft/c172p/Instruments/hi/hi.xml
+++ b/Aircraft/c172p/Instruments/hi/hi.xml
@@ -94,7 +94,33 @@
       <wrap>1</wrap>
     </binding>
   </action>
- </animation>   
+  <action>
+    <name>small decrease (scrollwheel)</name>
+    <button>3</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>autopilot/settings/heading-bug-deg</property>
+      <step>-1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+  <action>
+    <name>small increase (scrollwheel)</name>
+    <button>4</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>autopilot/settings/heading-bug-deg</property>
+      <step>1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+ </animation>
 
  <animation>
   <type>pick</type>
@@ -126,7 +152,33 @@
       <wrap>1</wrap>
     </binding>
   </action>
- </animation>   
+  <action>
+    <name>small decrease (scrollwheel)</name>
+    <button>3</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>autopilot/settings/heading-bug-deg</property>
+      <step>-1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+  <action>
+    <name>small increase (scrollwheel)</name>
+    <button>4</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>autopilot/settings/heading-bug-deg</property>
+      <step>1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+ </animation>
 
    <!--             Heading Offset             -->
  <animation>
@@ -159,6 +211,32 @@
       <wrap>1</wrap>
     </binding>
   </action>
+  <action>
+    <name>small decrease (scrollwheel)</name>
+    <button>3</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>instrumentation/heading-indicator/offset-deg</property>
+      <step>-1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+  <action>
+    <name>small increase (scrollwheel)</name>
+    <button>4</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>instrumentation/heading-indicator/offset-deg</property>
+      <step>1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
  </animation>
 
  <animation>
@@ -191,7 +269,33 @@
       <wrap>1</wrap>
     </binding>
   </action>
- </animation>
+  <action>
+    <name>small decrease (scrollwheel)</name>
+    <button>3</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>instrumentation/heading-indicator/offset-deg</property>
+      <step>-1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+  <action>
+    <name>small increase (scrollwheel)</name>
+    <button>4</button>
+    <repeatable>true</repeatable>
+    <binding>
+      <command>property-adjust</command>
+      <property>instrumentation/heading-indicator/offset-deg</property>
+      <step>1</step>
+      <min>0</min>
+      <max>360</max>
+      <wrap>1</wrap>
+    </binding>
+  </action>
+</animation>
 
 </PropertyList>