单项选择题
A.in the vessel's Official Logbook
B.on the compass deviation card
C.in the compass deviation log
D.on a Napier diagram
单项选择题 When a vessel is entering or leaving a port，a record of engine speeds is kept in the（）.
单项选择题 What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned? （）
单项选择题 What must the Master or person in charge of a ship enter in the logbook after conducting an abandonment drill? （）