A.engine rough log B.Oil Record Book C.Official Logbook D.deck rough log
A.Once a day B.At the change of every watch C.Only when in fresh or brackish water D.Prior to getting underway
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