diff --git a/Moose Development/Moose/AI/AI_A2A_Cap.lua b/Moose Development/Moose/AI/AI_A2A_Cap.lua
index ae4171ae5..a5bee30e4 100644
--- a/Moose Development/Moose/AI/AI_A2A_Cap.lua	
+++ b/Moose Development/Moose/AI/AI_A2A_Cap.lua	
@@ -119,7 +119,7 @@ function AI_A2A_CAP:New2( AICap, EngageMinSpeed, EngageMaxSpeed, EngageFloorAlti
   local AI_Air = AI_AIR:New( AICap )
   local AI_Air_Patrol = AI_AIR_PATROL:New( AI_Air, AICap, PatrolZone, PatrolFloorAltitude, PatrolCeilingAltitude, PatrolMinSpeed, PatrolMaxSpeed, PatrolAltType ) -- #AI_AIR_PATROL
   local AI_Air_Engage = AI_AIR_ENGAGE:New( AI_Air_Patrol, AICap, EngageMinSpeed, EngageMaxSpeed, EngageFloorAltitude, EngageCeilingAltitude, EngageAltType )
-  local self = BASE:Inherit( self, AI_Air_Engage )
+  local self = BASE:Inherit( self, AI_Air_Engage ) --#AI_A2A_CAP
 
   self:SetFuelThreshold( .2, 60 )
   self:SetDamageThreshold( 0.4 )
diff --git a/Moose Development/Moose/AI/AI_Air.lua b/Moose Development/Moose/AI/AI_Air.lua
index eeb9053b7..5fbd84349 100644
--- a/Moose Development/Moose/AI/AI_Air.lua	
+++ b/Moose Development/Moose/AI/AI_Air.lua	
@@ -707,13 +707,14 @@ end
 function AI_AIR:onafterRefuel( AIGroup, From, Event, To )
   self:F( { AIGroup, From, Event, To } )
 
-  
   if AIGroup and AIGroup:IsAlive() then
+  
+    -- Get tanker group.
     local Tanker = GROUP:FindByName( self.TankerName )
 
-    if Tanker:IsAlive() and Tanker:IsAirPlane() then
+    if Tanker and Tanker:IsAlive() and Tanker:IsAirPlane() then
 
-      self:I( "Group " .. self.Controllable:GetName() .. " ... Refuelling! ( " .. self:GetState() .. "), at tanker " .. self.TankerName )
+      self:I( "Group " .. self.Controllable:GetName() .. " ... Refuelling! State=" .. self:GetState() .. ", Refuelling tanker " .. self.TankerName )
 
       local RefuelRoute = {}
   
@@ -724,40 +725,43 @@ function AI_AIR:onafterRefuel( AIGroup, From, Event, To )
       local ToRefuelSpeed = math.random( self.PatrolMinSpeed, self.PatrolMaxSpeed )
       
       --- Create a route point of type air.
-      local FromRefuelRoutePoint = FromRefuelCoord:WaypointAir( 
-        self.PatrolAltType, 
-        POINT_VEC3.RoutePointType.TurningPoint, 
-        POINT_VEC3.RoutePointAction.TurningPoint, 
-        ToRefuelSpeed, 
-        true 
-      )
+      local FromRefuelRoutePoint = FromRefuelCoord:WaypointAir(self.PatrolAltType, POINT_VEC3.RoutePointType.TurningPoint, POINT_VEC3.RoutePointAction.TurningPoint, ToRefuelSpeed, true)
 
-      --- Create a route point of type air.
-      local ToRefuelRoutePoint = FromRefuelCoord:WaypointAir( 
-        self.PatrolAltType, 
-        POINT_VEC3.RoutePointType.TurningPoint, 
-        POINT_VEC3.RoutePointAction.TurningPoint, 
-        ToRefuelSpeed, 
-        true 
-      )
+      --- Create a route point of type air. NOT used!
+      local ToRefuelRoutePoint = Tanker:GetCoordinate():WaypointAir(self.PatrolAltType, POINT_VEC3.RoutePointType.TurningPoint, POINT_VEC3.RoutePointAction.TurningPoint, ToRefuelSpeed, true)
   
       self:F( { ToRefuelSpeed = ToRefuelSpeed } )
       
       RefuelRoute[#RefuelRoute+1] = FromRefuelRoutePoint
-      --RefuelRoute[#RefuelRoute+1] = ToRefuelRoutePoint
+      RefuelRoute[#RefuelRoute+1] = ToRefuelRoutePoint
       
       AIGroup:OptionROEHoldFire()
       AIGroup:OptionROTEvadeFire()
+      
+      -- Get Class name for .Resume function
+      local classname=self:GetClassName()
+      
+      -- AI_A2A_CAP can call this function but does not have a .Resume function. Try to fix.
+      if classname=="AI_A2A_CAP" then
+        classname="AI_AIR_PATROL"
+      end
+      
+      env.info("FF refueling classname="..classname)
   
       local Tasks = {}
       Tasks[#Tasks+1] = AIGroup:TaskRefueling()
-      Tasks[#Tasks+1] = AIGroup:TaskFunction( self:GetClassName() .. ".Resume", self )
+      Tasks[#Tasks+1] = AIGroup:TaskFunction(  classname .. ".Resume", self )
       RefuelRoute[#RefuelRoute].task = AIGroup:TaskCombo( Tasks )
   
       AIGroup:Route( RefuelRoute, self.TaskDelay )
+      
     else
+    
+      -- No tanker defined ==> RTB!
       self:RTB()
+      
     end
+    
   end
 
 end
diff --git a/Moose Development/Moose/AI/AI_Air_Patrol.lua b/Moose Development/Moose/AI/AI_Air_Patrol.lua
index 6458c80d1..32bd99cea 100644
--- a/Moose Development/Moose/AI/AI_Air_Patrol.lua	
+++ b/Moose Development/Moose/AI/AI_Air_Patrol.lua	
@@ -356,7 +356,6 @@ function AI_AIR_PATROL:onafterPatrolRoute( AIPatrol, From, Event, To )
       local taskOrbit=AIPatrol:TaskOrbit(c1, altitude, UTILS.KmphToMps(speedkmh), c2)
       
       -- Task function to redo the patrol at other random position.
-      --local taskPatrol=AIPatrol:TaskFunction("AI_A2A_PATROL.PatrolRoute", self)
       local taskPatrol=AIPatrol:TaskFunction("AI_AIR_PATROL.___PatrolRoute", self)
       
       -- Controlled task with task condition.
diff --git a/Moose Development/Moose/Core/Base.lua b/Moose Development/Moose/Core/Base.lua
index d20f068ee..e95eac8ce 100644
--- a/Moose Development/Moose/Core/Base.lua	
+++ b/Moose Development/Moose/Core/Base.lua	
@@ -298,7 +298,8 @@ end
 --     
 --     
 -- @param #BASE self
--- @param #BASE Child is the Child class from which the Parent class needs to be retrieved.
+-- @param #BASE Child This is the Child class from which the Parent class needs to be retrieved.
+-- @param #BASE FromClass (Optional) The class from which to get the parent.
 -- @return #BASE
 function BASE:GetParent( Child, FromClass )
 
diff --git a/Moose Development/Moose/Functional/Artillery.lua b/Moose Development/Moose/Functional/Artillery.lua
index d1742c271..f5233e3b0 100644
--- a/Moose Development/Moose/Functional/Artillery.lua	
+++ b/Moose Development/Moose/Functional/Artillery.lua	
@@ -693,7 +693,7 @@ ARTY.db={
 
 --- Arty script version.
 -- @field #string version
-ARTY.version="1.1.6"
+ARTY.version="1.1.7"
 
 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 
@@ -3848,26 +3848,23 @@ end
 -- @param #boolean final True if it is the final waypoint.
 function ARTY._PassingWaypoint(group, arty, i, final)
 
-  -- Debug message.
-  local text=string.format("%s, passing waypoint %d.", group:GetName(), i)
-  if final then
-    text=string.format("%s, arrived at destination.", group:GetName())
-  end
-  arty:T(self.lid..text)
+  if group and group:IsAlive() then
+  
+    local groupname=tostring(group:GetName())
 
-  --[[
-  if final then
-    MESSAGE:New(text, 10):ToCoalitionIf(group:GetCoalition(), arty.Debug or arty.report)
-  else
-    MESSAGE:New(text, 10):ToAllIf(arty.Debug)
+    -- Debug message.
+    local text=string.format("%s, passing waypoint %d.", groupname, i)
+    if final then
+      text=string.format("%s, arrived at destination.", groupname)
+    end
+    arty:T(arty.lid..text)
+  
+    -- Arrived event.
+    if final and arty.groupname==groupname then
+      arty:Arrived()
+    end
+    
   end
-  ]]
-
-  -- Arrived event.
-  if final and arty.groupname==group:GetName() then
-    arty:Arrived()
-  end
-
 end
 
 --- Relocate to another position, e.g. after an engagement to avoid couter strikes.