(1) Maritime English is the English language used at sea and in ports by seafarers and those working in shipping and shipbuilding. (2) It has gained recognition as the international language of seaborne trade since the 1970s with the development of standard vocabularies and communication phrases. (3) Maritime English is important because English is the mandated international language of the sea, it is used for communication onboard ships, and knowledge of it will be compulsory for seafarers from 2017 according to updated international standards.