diff --git a/Aircraft/ufo/Instruments/instrumentation.xml b/Aircraft/ufo/Instruments/instrumentation.xml
index 55ad01a60..9a832f8b3 100644
--- a/Aircraft/ufo/Instruments/instrumentation.xml
+++ b/Aircraft/ufo/Instruments/instrumentation.xml
@@ -105,6 +105,7 @@
radar
0
+ 0
diff --git a/Aircraft/ufo/ufo.nas b/Aircraft/ufo/ufo.nas
index 6f8d30af3..b5adca6af 100644
--- a/Aircraft/ufo/ufo.nas
+++ b/Aircraft/ufo/ufo.nas
@@ -1,4 +1,12 @@
+setlistener("/sim/panel/visibility", func {
+ setprop("/instrumentation/radar/serviceable", cmdarg().getValue());
+}, 1);
+
+
+
+
+
# maximum speed -----------------------------------------------------------------------------------