A.one sidelight and the masthead light are visible
B.the vessels will pass closer than half a mile
C.both vessels sound one prolonged blast
D.both sidelights and masthead light(s) are visible
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A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations
A.Tidal Current Tables
B.Tide Tables
C.American Practical Navigator
D.Sailing Directions
A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
A.corrections
B.publications
C.supplements
D.alterations
A.enforces
B.cancels
C.corrects
D.replenishes
最新試題
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.
The distance between the surface of the water and the tidal datum is the （）.
The meaning of ebb tide is that （）.
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
AFTER DROPPING THE PILOT means （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）