单项选择题
A sail plan，including the vessel’s itinerary，name，number，and persons aboard，should be filed with（）
A.the FAA B.MSA C.the Customs D.a responsible person
单项选择题 A gas-free certificate would usually be issued by a(n)（）.
单项选择题 Which vessel when anchored at night，would not be required to show anchor lights? （）
单项选择题 Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo? （）
