A.Once a day
B.At the change of every watch
C.Only when in fresh or brackish water
D.Prior to getting underway
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A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
A.Once a day
B.Once a week
C.Prior to getting underway
D.Only when entering waters of different density
A.in the vessel's Official Logbook
B.on the compass deviation card
C.in the compass deviation log
D.on a Napier diagram
A.bell book
B.deck rough log
C.Official Logbook
D.engine rough log
A.Bill of Lading
B.Logbook entry
C.Manifest
D.Shipping document
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