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
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
Which would influence a magnetic compass（）.
Steam smoke will occur when（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
The Daily Memorandum contains information on（）.
Navigational warnings are published according to（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.