单项选择题
An embarked Pilot （）.
A.is a specialist hired for his local navigational knowledge B.is solely responsible for the safe navigation of the vessel C.relieves the Master of his duties D.relieves the officer of the watch
单项选择题 An anchored vessel on pilotage duty must show which light(s) at night? （）
单项选择题 ALL GEAR,SUCH AS PILOT LADDER,ACCOMMODATION LADDER,HOIST,ETC.,NECESSARY FOR A SAFE TRANSFER OF THE PILOT is known as （）.
