What is the English level of A-class crew?

English for A-class crew is equivalent to CET-6.

A-class crew is one of the titles of crew, including captain, first mate, second mate and third mate. Class a crew members need to pass the class a certificate of competency examination to obtain qualifications. Maritime English is one of the subjects of Class A certificate examination. Maritime English test requires seafarers to have a high level of English ability, equivalent to CET-6.