diff --git a/Aircraft/747-uiuc-set.xml b/Aircraft/747-uiuc-set.xml
index 5207ed518..dd6e6bb07 100644
--- a/Aircraft/747-uiuc-set.xml
+++ b/Aircraft/747-uiuc-set.xml
@@ -14,6 +14,7 @@ UIUC Boeing 747 init file.
 
   <sound>
    <audible>true</audible>
+   <path>Aircraft/747/747-sound.xml</path>
   </sound>
 
   <panel>
diff --git a/Aircraft/747-yasim-set.xml b/Aircraft/747-yasim-set.xml
index c79faa9d9..d699539ca 100644
--- a/Aircraft/747-yasim-set.xml
+++ b/Aircraft/747-yasim-set.xml
@@ -15,8 +15,10 @@ October 23 2001 John Check, fgpanels@rockfish.net
   <flight-model>yasim</flight-model>
   <aero>747</aero>
   <fuel-fraction>1.0</fuel-fraction>
+
   <sound>
    <audible>true</audible>
+   <path>Aircraft/747/747-sound.xml</path>
   </sound>
 
   <panel>
diff --git a/Aircraft/a4-yasim-set.xml b/Aircraft/a4-yasim-set.xml
index 483ec10ad..9f5bce565 100644
--- a/Aircraft/a4-yasim-set.xml
+++ b/Aircraft/a4-yasim-set.xml
@@ -18,6 +18,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 
   <sound>
    <audible>true</audible>
+   <path>Aircraft/a4/a4-sound.xml</path>
   </sound>
 
   <panel>
diff --git a/Aircraft/harrier-yasim-set.xml b/Aircraft/harrier-yasim-set.xml
index c34b71886..5494464b3 100644
--- a/Aircraft/harrier-yasim-set.xml
+++ b/Aircraft/harrier-yasim-set.xml
@@ -18,6 +18,7 @@ October 23 2001 John Check, fgpanels@rockfish.net
 
   <sound>
    <audible>true</audible>
+   <path>Aircraft/a4/a4-sound.xml</path>
   </sound>
 
   <panel>
diff --git a/Sounds/jet.wav b/Sounds/jet.wav
new file mode 100644
index 000000000..891c84d0b
Binary files /dev/null and b/Sounds/jet.wav differ