单项选择题
What should you apply to a fathometer reading to determine the depth of water?（）
A.Subtract the draft of the vessel B.Add the draft of the vessel C.Subtract the sea water correction D.Add the sea water correction
单项选择题 What is NOT an advantage of the house-fall system when compared to a married-fall system using two of the ship’s booms? （）
单项选择题 What DOCS SALT WATER DRAFT means?（）.
单项选择题 Vessel shall possess（）valid for duration of charter Party showing winches and derricks in order.
