A.Chart Number only
B.Chart Number + Previous NM Number/Year
C.Chart Number + Between Previous and Present Dates
D.Cumulative Number
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A.as soon as possible
B.prior to its publication
C.in advance of any possible accident
D.by means of other than airmails
A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
A.active weather disturbances such as hurricanes or tropical storms
B.the latest navigational warnings
C.scheduled vessel arrivals and departures for a 24-hour period
D.water levels at river ports where run-off affects tidal heights
最新試題
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
The range of a light on Admiralty Charts is normally the（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
The height of a tide can be increased by（）.
The fog most commonly encountered at sea is called（）.
On the approach of a warm front the barometric pressure usually（）.
Steam smoke will occur when（）.
In revised editions of Admiralty charts the（）are corrected first．
Weekly NMs are available without subscription from appointed（）.
On a nautical chart，the inner ring of a compass rose indicates（）.