A.IALA Buoyage system
B.hydrography，topography，navigational aids and their services
C.basic meteorology and navigation in ice and hazards and restrictions to navigation
D.information on tides，currents and characteristics of the sea
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A.Admiralty Maritime Communications
B.Admiralty Tide Tables
C.a comprehensive guide for the yachtsman
D.ALRS
A.Admiralty List of Lights and Fog Signals
B.Admiralty Maritime Communications
C.Admiralty List of Radio Signals
D.Admiralty Digital List of Lights
A.offshore set
B.onshore set
C.head current
D.fair or following current
A.navigational hazards and buoyage，meteorological data，details of pilotage，regulations，port facilities and guides to major port entry
B.information on charts
C.information on operational information and regulation
D.information on tides，currents and characteristics of the sea
A.The higher high waters
B.The lower high waters
C.The lower of the two daily tides
D.All high waters
最新試題
Mariners not entering the port are（）to keep at least one mile off.
Light Lists for coastal waters are（）.
The Lists of Meteorological Observation Stations can be found in（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
The light vessel is reported（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.