diff --git a/src/GUI/gui.cxx b/src/GUI/gui.cxx
index 58db573ce..d3df0a87c 100644
--- a/src/GUI/gui.cxx
+++ b/src/GUI/gui.cxx
@@ -1044,5 +1044,9 @@ void guiInit()
     mainMenuBar-> close ();
     // Set up menu bar toggle
     gui_menu_on = ~0;
+
+    if (fgGetString("/sim/flight-model") == "ada") {
+        guiToggleMenu(); // Menu off by default
+    }
 }