diff --git a/Script/The Universal Mission/MizCleaner.lua b/Script/The Universal Mission/MizCleaner.lua
index 17cc06d..f35bc0d 100644
--- a/Script/The Universal Mission/MizCleaner.lua	
+++ b/Script/The Universal Mission/MizCleaner.lua	
@@ -1,6 +1,7 @@
 -- ====================================================================================
 -- TUM.MIZCLEANER - REMOVED UNWANTED UNIT GROUPS FROM THE MIZ FILE
 -- ====================================================================================
+-- (local) removeAIAircraftOnLandEvent(event)
 -- (local) removeAIWingmen()
 -- TUM.mizCleaner.onStartUp()
 -- TUM.mizCleaner.onEvent(event)
@@ -9,6 +10,19 @@
 TUM.mizCleaner = {}
 
 do
+    -------------------------------------
+    -- If event is an AI aircraft land event, remove it so it "frees room" (e.g. don't occupy an "air force unit" slot) for new aircraft
+    -- @param event A DCS World event, possibly a S_EVENT_LAND event
+    -------------------------------------
+    local function removeAIAircraftOnLandEvent(event)
+        if event.id ~= world.event.S_EVENT_LAND then return end
+        if not event.initiator then return end
+        if Object.getCategory(event.initiator) ~= Object.Category.UNIT then return end -- Not an unit
+        if event.initiator:getPlayerName() then return end -- Don't remove player aircraft, that would cause horrendous bugs
+
+        event.initiator:destroy()
+    end
+
     -------------------------------------
     -- Removes all AI wingmen units
     -------------------------------------
@@ -59,12 +73,6 @@ do
     -- @param event The DCS World event
     -------------------------------------
     function TUM.mizCleaner.onEvent(event)
-        -- Remove AI aircraft when they land, so they "free room" (e.g. don't occupy an "enemy air force unit" slot) for new aircraft
-        if event.id ~= world.event.S_EVENT_LAND then return end
-        if not event.initiator then return end
-        if Object.getCategory(event.initiator) ~= Object.Category.UNIT then return end -- Not a unit
-        if event.initiator:getPlayerName() then return end -- Don't remove player aircraft, that would cause horrendous bugs
-
-        event.initiator:destroy()
+        removeAIAircraftOnLandEvent(event)
     end
 end