/* Aircraft too old? Sell it. */

        if (AIVehicle.GetAgeLeft(i) < 365) {

            /* Send the vehicle to depot if we didn't do so yet */

            if (!vehicle_to_depot.rawin(i) || vehicle_to_depot.rawget(i) != true) {

                AILog.Info("Sending " + AIVehicle.GetName(i) + " to hangar to be sold, due to its old age.");

                AIVehicle.SendVehicleToDepot(i);

                vehicle_to_depot.rawset(i, true);

            }

        }

 

        /* Sell it once it really is in the depot */

        if (vehicle_to_depot.rawin(i) && vehicle_to_depot.rawget(i) == true && AIVehicle.IsStoppedInDepot(i)) {

            AILog.Info("Selling " + AIVehicle.GetName(i) + " as it finally is in a hangar. (From " + AIStation.GetName(AIStation.GetStationID(AIOrder.GetOrderDestination(i, 0))) + " to " + AIStation.GetName(AIStation.GetStationID(AIOrder.GetOrderDestination(i, 1))) + ")");

            local list2 = AIVehicleList_Station(AIStation.GetStationID(AIOrder.GetOrderDestination(i, 0)));

            list2.Valuate(AIVehicle.GetVehicleType);

            list2.KeepValue(AIVehicle.VT_AIR);

            /* Last vehicle on this route? Consider increasing the minimum distance for the next routes. */

            if (list2.Count() == 1) {

                if (AIVehicle.GetProfitLastYear(i) < 10000 && AIVehicle.GetProfitThisYear(i) < 10000) {

                    AILog.Warning("Last vehicle on this route!");

                    local dist = this.distance_of_route.rawget(i);

                    if (min_air_distance < max_air_distance - dist) {

                        min_air_distance = dist;

                    }

                }

            }

            if (AIVehicle.SellVehicle(i)) {

                vehicle_to_depot.rawdelete(i);

            }

        }

    }