diff --git a/GCSViews/SITL.Designer.cs b/GCSViews/SITL.Designer.cs
index 3617c714b7..c8188f8121 100644
--- a/GCSViews/SITL.Designer.cs
+++ b/GCSViews/SITL.Designer.cs
@@ -325,6 +325,7 @@ private void InitializeComponent()
             resources.GetString("cmb_model.Items30"),
             resources.GetString("cmb_model.Items31"),
             resources.GetString("cmb_model.Items32")});
+            resources.GetString("cmb_model.Items33")});
             resources.ApplyResources(this.cmb_model, "cmb_model");
             this.cmb_model.Name = "cmb_model";
             // 
diff --git a/GCSViews/SITL.resx b/GCSViews/SITL.resx
index 150b62d2d0..6f819ad491 100644
--- a/GCSViews/SITL.resx
+++ b/GCSViews/SITL.resx
@@ -2436,6 +2436,9 @@
   <data name="cmb_model.Items32" xml:space="preserve">
     <value>rover-skid</value>
   </data>
+  <data name="cmb_model.Items33" xml:space="preserve">
+    <value>plane-3d</value>
+  </data>
   <data name="cmb_model.Location" type="System.Drawing.Point, System.Drawing">
     <value>169, 17</value>
   </data>