<?xml version="1.0"?>
 
<PropertyList>

 <fx>
  <engine>
   <name>engine</name>
   <path>Aircraft/tu154/Sounds/fan.wav</path>
   <mode>looped</mode>
   <condition>
    <or>
     <property>/engines/engine[0]/running</property>
     <property>/engines/engine[1]/running</property>
     <property>/engines/engine[2]/running</property>
     <property>/engines/engine[3]/running</property>
    </or>
   </condition>
   <volume>
    <property>/engines/engine[0]/n1</property>
    <factor type="double">0.0025</factor>
    <offset type="double">0.05</offset>
   </volume>
   <pitch>
    <property>/engines/engine[0]/n1</property>
    <type>log</type>
    <factor>0.5</factor>
    <offset>0.65</offset>
   </pitch>
  </engine>

  <engine>
   <name>whine</name>
   <path>Aircraft/tu154/Sounds/whine.wav</path>
   <mode>looped</mode>
   <condition>
    <or>
     <property>/engines/engine[0]/running</property>
     <property>/engines/engine[1]/running</property>
     <property>/engines/engine[2]/running</property>
     <property>/engines/engine[3]/running</property>
    </or>
   </condition>
   <volume>
    <property>/engines/engine[0]/n2</property>
    <type>ln</type>
    <factor>0.04</factor>
    <offset>0.02</offset>
   </volume>
   <pitch>
    <property>/engines/engine[0]/n2</property>
    <factor>0.01</factor>
    <offset>0.15</offset>
   </pitch>
  </engine>

  <jetrumble>
   <name>jetrumble</name>
   <mode>looped</mode>
   <path>Aircraft/tu154/Sounds/rumble.wav</path>
   <condition>
    <or>
     <property>/engines/engine[0]/running</property>
     <property>/engines/engine[1]/running</property>
     <property>/engines/engine[2]/running</property>
     <property>/engines/engine[3]/running</property>
    </or>
   </condition>
   <volume>
    <property>/engines/engine[0]/prop-thrust</property>
    <type>lin</type>
    <factor>0.00001</factor>
    <offset>0.0</offset>
   </volume>
  </jetrumble>

  <rumble>
   <name>rumble</name>
   <mode>looped</mode>
   <path>Aircraft/tu154/Sounds/rumble.wav</path>
   <condition>
    <or>
     <property>/gear/gear[0]/wow</property>
     <property>/gear/gear[1]/wow</property>
     <property>/gear/gear[2]/wow</property>
    </or>
   </condition>
   <volume>
    <property>/velocities/airspeed-kt</property>
    <type>log</type>
    <factor>0.12</factor>
   </volume>
  </rumble>

  <gear>
   <name>gear</name>
   <mode>in-transit</mode>
   <path>Aircraft/tu154/Sounds/gear.wav</path>
   <property>/gear/gear[0]/position-norm</property>
   <volume>
      <property>/sim/sound/volume/gear</property>
   </volume>
   <pitch>
    <internal>dt_play</internal>
    <offset>1.0</offset>
    <factor>-0.001</factor>
   </pitch>
  </gear>

  <gear>
   <name>gear-lock</name>
   <path>Aircraft/tu154/Sounds/gear-lck.wav</path>
   <condition>
    <equals>
     <property>/gear/gear[0]/position-norm</property>
     <value>0</value>
    </equals>
   </condition>
   <volume>
      <property>/sim/sound/volume/gear</property>
   </volume>
  </gear>

  <squeal>
   <name>squeal</name>
   <path>Aircraft/tu154/Sounds/squeal.wav</path>
   <condition>
    <or>
     <property>/gear/gear[0]/wow</property>
     <property>/gear/gear[1]/wow</property>
     <property>/gear/gear[2]/wow</property>
    </or>
   </condition>
   <volume>
    <property>/velocities/speed-down-fps</property>
    <factor>0.05</factor>
   </volume>
   <volume>
    <property>/velocities/airspeed-kt</property>
    <factor>0.01</factor>
   </volume>
   <volume>
    <internal>dt_stop</internal>
    <factor>0.05</factor>
    <max>1.0</max>
   </volume>
   <pitch>
    <property>/velocities/airspeed-kt</property>
    <factor>0.0025</factor>
    <offset>1.2</offset>
   </pitch>
  </squeal>
 
  <flap>
   <name>flaps</name>
   <mode>in-transit</mode>
   <path>Aircraft/tu154/Sounds/flaps.wav</path>
   <property>/surface-positions/flap-pos-norm</property>
   <volume>
    <factor>0.15</factor>
   </volume>
  </flap>

<!--
  <wind>
   <name>wind</name>
   <mode>looped</mode>
   <path>Aircraft/tu154/Sounds/wind.wav</path>
   <property>/velocities/airspeed-kt</property>
   <volume>
     <property>/velocities/airspeed-kt</property>
     <factor>0.002</factor>
     <min>0.03</min>
     <max>0.25</max>
   </volume>
   <pitch>
    <property>/velocities/airspeed-kt</property>
    <factor>0.01</factor>
    <offset>1.25</offset>
   </pitch>
  </wind>
-->
 
  <stall>
   <name>stall</name>
   <path>Aircraft/tu154/Sounds/stall.wav</path>
   <property>/sim/alarms/stall-warning</property>
   <volume>
    <property>/velocities/airspeed-kt</property>
    <min>30.0</min>
   </volume>
  </stall>


</fx>
 
</PropertyList>



