diff --git a/aircraft/c172p/c172p.xml b/aircraft/c172p/c172p.xml
index efbdb5655b..cf0f887e40 100644
--- a/aircraft/c172p/c172p.xml
+++ b/aircraft/c172p/c172p.xml
@@ -554,7 +554,7 @@
                     <property>aero/qbar-psf</property>
                     <property>metrics/Sw-sqft</property>
                     <property>fcs/mag-elevator-pos-rad</property>
-                    <value>0.0000</value>
+                    <value>0.06</value>
                 </product>
             </function>
             <function name="aero/coefficient/CDbeta">
diff --git a/aircraft/c182/c182.xml b/aircraft/c182/c182.xml
index e80b1683b9..f42547e4a6 100644
--- a/aircraft/c182/c182.xml
+++ b/aircraft/c182/c182.xml
@@ -486,7 +486,7 @@
                     <property>aero/qbar-psf</property>
                     <property>metrics/Sw-sqft</property>
                     <property>fcs/mag-elevator-pos-rad</property>
-                    <value>0.0000</value>
+                    <value>0.06</value>
                 </product>
             </function>
         </axis>
diff --git a/aircraft/c310/c310.xml b/aircraft/c310/c310.xml
index c5c4ce649e..b7850f5e1f 100644
--- a/aircraft/c310/c310.xml
+++ b/aircraft/c310/c310.xml
@@ -673,7 +673,7 @@
                     <property>aero/qbar-psf</property>
                     <property>metrics/Sw-sqft</property>
                     <property>fcs/mag-elevator-pos-rad</property>
-                    <value>0.0000</value>
+                    <value>0.06</value>
                 </product>
             </function>