diff --git a/sequences.xml b/sequences.xml
index 2cd952a2cd..eee129c25e 100644
--- a/sequences.xml
+++ b/sequences.xml
@@ -493,10 +493,12 @@
   <unit name="heli">
     <sequence name="idle" start="0" length="32" />
     <sequence name="rotor" start="0" length="4" src="lrotor" />
+    <sequence name="slow-rotor" start="4" length="8" src="lrotor" />
   </unit>
   <unit name="hind">
     <sequence name="idle" start="0" length="32" />
     <sequence name="rotor" start="0" length="4" src="lrotor" />
+    <sequence name="slow-roto" start="4" length="8" src="lrotor" />
   </unit>
   <unit name="tran">
     <sequence name="idle" start="0" length="32" />