diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 8b13789..0000000
--- a/depends.txt
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/init.lua b/init.lua
index ab35576..0e51e88 100644
--- a/init.lua
+++ b/init.lua
@@ -36,6 +36,7 @@ airutils.fuel = {['biofuel:biofuel'] = 1,['biofuel:bottle_fuel'] = 1,
                 ['airutils:biofuel'] = 1,}
 
 airutils.protect_in_areas = minetest.settings:get_bool('airutils_protect_in_areas')
+airutils.debug_log = minetest.settings:get_bool('airutils_debug_log')
 
 if not minetest.settings:get_bool('airutils_disable_papi') then
     dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_papi.lua")
diff --git a/lib_planes/entities.lua b/lib_planes/entities.lua
index 776f764..941bb50 100644
--- a/lib_planes/entities.lua
+++ b/lib_planes/entities.lua
@@ -26,9 +26,14 @@ end
 
 function airutils.on_deactivate(self)
     airutils.save_inventory(self)
+    local pos = self.object:get_pos()
+    if airutils.debug_log then
+        minetest.log("action","deactivating: "..self._vehicle_name.." from "..self.owner.." at position "..pos.x..","..pos.y..","..pos.z)
+    end
 end
 
 function airutils.on_activate(self, staticdata, dtime_s)
+    local pos = self.object:get_pos()
     airutils.actfunc(self, staticdata, dtime_s)
     self._flap = false
 
@@ -64,6 +69,10 @@ function airutils.on_activate(self, staticdata, dtime_s)
     self._roll = 0
     self._pitch = 0
 
+    if airutils.debug_log then
+        minetest.log("action","activating: "..self._vehicle_name.." from "..self.owner.." at position "..pos.x..","..pos.y..","..pos.z)
+    end
+
     if self._register_parts_method then
         self._register_parts_method(self)
     end
diff --git a/lib_planes/utilities.lua b/lib_planes/utilities.lua
index 23a0cef..6e6f20f 100644
--- a/lib_planes/utilities.lua
+++ b/lib_planes/utilities.lua
@@ -259,6 +259,8 @@ function airutils.destroy(self, by_name)
     if by_name == self.owner then with_fire = false end
     local pos = self.object:get_pos()
 
+    minetest.log("action","destroying: "..self._vehicle_name.." from "..self.owner.." at position "..pos.x..","..pos.y..","..pos.z)
+
     if self.owner and self._vehicle_name then
         minetest.log("action", "airutils: The player "..self.owner.." had it's "..self._vehicle_name.." destroyed at position x="..pos.x.." y="..pos.y.." z="..pos.z)
     else
@@ -299,24 +301,6 @@ function airutils.destroy(self, by_name)
     if airutils.blast_damage == true and with_fire == true then
         airutils.add_blast_damage(pos, 7, 10)
     end
-
-    --[[pos.y=pos.y+2
-    minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'hidroplane:wings')
-
-    for i=1,6 do
-	    minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:steel_ingot')
-    end
-
-    for i=1,2 do
-	    minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'wool:white')
-    end
-
-    for i=1,6 do
-	    minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:mese_crystal')
-        minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:diamond')
-    end]]--
-
-    --minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'hidroplane:hidro')
 end
 
 function airutils.testImpact(self, velocity, position)
diff --git a/settingtypes.txt b/settingtypes.txt
index e479705..b2ebbcc 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -12,3 +12,6 @@ airutils_disable_tug (disable tug tool) bool false
 
 # disable repair tool for planes
 airutils_disable_repair (planes cannot be repaired) bool false
+
+# enable debug od activation and deactivation of the vehicle entity
+airutils_debug_log (log of entity activation) bool false