diff --git a/AI/Aircraft/fallback_models.xml b/AI/Aircraft/fallback_models.xml
index 3f25a4314..12edd5a77 100644
--- a/AI/Aircraft/fallback_models.xml
+++ b/AI/Aircraft/fallback_models.xml
@@ -16,14 +16,18 @@
   0       Default.  Will also be used if an AI model is not found
   1-50   Single engine GA aircraft
   51-100 Multi-engine GA aircraft
-  101-150 Turboprop airliners
-  151-200 Twin engined narrow body jet airliners
-  201-250 Twin engined wide body jet airliners
-  251-300 Four engined jet airliners
-  301-350 Military combat aircraft
-  351-400 Military non-combat aircraft (tankers, transports)
-  401-500 ????
-
+  101-150 Business Jets
+  151-200 Turboprop airliners
+  201-250 Twin engined narrow body jet airliners
+  251-300 Twin engined wide body jet airliners
+  301-350 Four engined jet narrow body airliners
+  351-400 Four engined jet wide body airliners
+  401-450 Single engine prop military aircraft
+  451-500 Multi-engine prop military aircraft
+  501-550 Jet combat aircraft
+  551-600 Military large aircraft (tankers, transports)
+  601-700 Helicopters
+  701-800 Other
 -->
 <PropertyList>
 
@@ -172,4 +176,9 @@
 <model n="710" type="string">AI/Aircraft/G-164/Models/G-164A-ai.xml</model>
 <model n="711" type="string">AI/Aircraft/Gee-Bee/Models/geebee-ai.xml</model>
 
+<!-- Special case as the ufo is always installed and light enough not to need a separate
+AI model.  We also want to load it in preference to the default glider because it will
+then be invisible to other MP players who are not in a UFO themselves. -->
+<model n="712" type="string">Aircraft/ufo/Models/ufo.xml</model>
+
 </PropertyList>
diff --git a/Aircraft/ufo/ufo-set.xml b/Aircraft/ufo/ufo-set.xml
index e22e7d354..da0dfc10c 100644
--- a/Aircraft/ufo/ufo-set.xml
+++ b/Aircraft/ufo/ufo-set.xml
@@ -78,7 +78,7 @@
                 <position-z-m type="float">0</position-z-m>
                 <jetway-hood-deg type="float">3</jetway-hood-deg>
             </door>
-
+			<fallback-model-index>712</fallback-model-index>
 		</model>
 
 		<instrumentation>