Lorries and trailers are the main kinds of cargoes in the ferryboat navigation. The quanitity of that cargo goes up from year to year. The lorries and trailers are, or may be carried under bills of lading or under ferry ticket, what depends on a ferrybost ahipowner. It is not lndifferent to that matter because the kind of document influences the reeponsi-billty of a carrier for the transported cargo. There is the necessity to unify ferryboat documents, to introduce the proper form of the ferry ticket, according to the Polish Maritime Law actually in force.