/*
         * Splits two Cargo Clients
         * client   : The Cargo Client to be split
         * capacity : The max amount of tons the Aircraft can hold
         */
        public static Client_Cargo[] SplitCargoClient(Client_Cargo client, double capacity)
        {
            Client_Cargo[] tab = new Client_Cargo[2];

            tab[0] = new Client_Cargo(capacity, client.AirportDestination);
            tab[1] = new Client_Cargo(client.TonsOfCargo - capacity, client.AirportDestination);

            return(tab);
        }
 /*
  * Merges two Cargo Clients together
  * first  : The first Cargo Client to be merged
  * second : The second Cargo Client to be merged
  */
 public static Client_Cargo MergeCargoClient(Client_Cargo first, Client_Cargo second)
 {
     first.TonsOfCargo += second.TonsOfCargo;
     return(first);
 }