客/货混运船在60年代以前是传统的海上旅行方式,特别对于普通旅客,随后而来的喷气式客机和豪华旅游船市场,迫使混运船能力压缩。但目前,除北美水域外,大多数港口,尤其是英联邦属地,依然是采用和允许客/货运营。进行客运业务的货船主要有集装箱船、渡船和多用途货船,数量大约130艘,占总量的2/3左右,其余的还有冷藏船、普通货 By the 1960s, passenger / cargo ships were traditionally sea-based and forced the ability of hybrid carriers to be compressed, especially for ordinary passengers, followed by the jetliner and luxury travel market. But at the moment, most ports, especially the Commonwealth, except North American waters, still use and permit passenger / cargo operations. The main passenger vessels engaged in passenger transport business container ships, ferries and multi-purpose cargo ships, the number of about 130, accounting for about 2/3 of the total, the rest there are refrigerated ships, general cargo