diff --git a/index.html b/index.html
index 32ef322..a125938 100644
--- a/index.html
+++ b/index.html
@@ -166,9 +166,14 @@
         else held.delete(code);
       };
 
+      const emitHelmVector = (x, y) => {
+        window.dispatchEvent(new CustomEvent('airship:helm-vector', { detail: { x, y } }));
+      };
+
       const releaseStick = () => {
         for (const code of [...held]) setHeld(code, false);
         document.querySelector('#drag-thumb').style.transform = 'translate(0px, 0px)';
+        emitHelmVector(0, 0);
       };
 
       const stick = document.querySelector('#drag-stick');
@@ -188,6 +193,7 @@
         }
 
         thumb.style.transform = `translate(${dx}px, ${dy}px)`;
+        emitHelmVector(dx / radius, dy / radius);
         setHeld('ArrowLeft', dx < -deadZone);
         setHeld('ArrowRight', dx > deadZone);
         setHeld('ArrowUp', dy < -deadZone);