Mako/Models/Effects/Vortex/vortex.xml

<?xml version="1.0"?>

<PropertyList>

 <path>vortex.ac</path>

 <animation>
  <type>noshadow</type>
  <object-name>vortex</object-name>
 </animation>

 <animation>
  <type>select</type>
  <object-name>vortex</object-name>
  <condition>
   <and>
   <greater-than>
    <property>/orientation/alpha-deg</property>
    <value>9.0</value>
   </greater-than>
   <greater-than>
    <property>/velocities/airspeed-kt</property>
    <value>50.0</value>
   </greater-than>
   </and>
  </condition>
 </animation>

 <!-- *** LoD *** -->
 <animation>
  <type>range</type>
  <min-m>0</min-m>
  <max-m>1000</max-m>
 </animation>

</PropertyList>