diff --git a/js/fc.js b/js/fc.js
index aad9a460a..92dfb0494 100644
--- a/js/fc.js
+++ b/js/fc.js
@@ -941,6 +941,9 @@ var FC = {
             'GVAR 6',               // 36
             'GVAR 7',               // 37
             'Mixer Transition',     // 38
+	    'Head Tracker Pan',     // 39
+            'Head Tracker Tilt',    // 40
+            'Head Tracker Roll',    // 41
         ];
     },
     getServoMixInputName: function (input) {
@@ -1116,4 +1119,4 @@ var FC = {
     }
 };
 
-module.exports = FC;
\ No newline at end of file
+module.exports = FC;