单项选择题
At 1810，a red buoy bears 010° relative. This buoy marks（）.
A.the side of York Spit Channel
B.the visibility limit of the red sector of Cape Henry Light
C.a submerged obstruction in York Spit Channel
D.the York River Entrance Channel
相关考题
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单项选择题
At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）
A.The South Auxiliary Channel since your draft is less than 25 feet (7.6 meters)，and you are not a passenger vessel
B.The South Auxiliary Channel or Thimble Shoal Channel，but you must remain on the right hand side of the main channel
C.The North Auxiliary Channel since you are going to turn to a northerly heading near buoy "12"
D.You are not permitted to use any of the channels，but must remain outside the buoyed channel line -
单项选择题
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.
A.shown from a brown tower
B.equipped with a fog diaphone
C.lighted 24 hours
D.is 79 feet (24 meters) high -
单项选择题
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
A.low and rocky with scattered small pine trees
B.a low lying wetland
C.a high sandy bluff
D.a flat wooded plain
