A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T
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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
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
A.fish trap area
B.pipeline
C.demarcation line
D.cable area
A.cloud movement
B.vessel heading
C.waves
D.swells
最新試題
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
Steam smoke will occur when（）.
Navigational warnings are published according to（）.
The height of a tide can be increased by（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
On the approach of a warm front the barometric pressure usually（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
In revised editions of Admiralty charts the（）are corrected first．