[FG28_Kodiak]

Change OnPlaceEnter to:

 public override void OnPlaceEnter(Player player, AiActor actor, int placeIndex)
    {
        base.OnPlaceEnter(player, actor, placeIndex);

        AiBirthPlace birthPlace = GetBirthplace(actor);


        AiCart cart = actor as AiCart;

        if(cart != null)
        AvailablePlanes.ForEach(place =>
                                    {
                                        if (place.BirthPlace == birthPlace.Name())
                                        {
                                            
                                            place.NumberOfPlanes--;

                                            int numberOfAllAvailablePlanes = CountAvailablePlanes(actor.Army());

                                            if (numberOfAllAvailablePlanes == 5)
                                            {
                                                if(actor.Army() == 1)
                                                    GamePlay.gpHUDLogCenter(null, "Attention Reds only {0} Planes are left", new object[] { numberOfAllAvailablePlanes });
                                                if(actor.Army() == 2)
                                                    GamePlay.gpHUDLogCenter(null, "Attention Blues only {0} Planes are left", new object[] { numberOfAllAvailablePlanes });
                                            }

                                            if (place.NumberOfPlanes == 0)
                                            {
                                                GamePlay.gpHUDLogCenter(null, "Attention {0} is no longer available", new object[]{place.BirthPlace});
                                                birthPlace.destroy();
                                            }
                                        }
                                    });
    }

Edith: Hatte die Seite bei der Meldung nicht berücksichtig.