A.as soon as possible
B.prior to its publication
C.in advance of any possible accident
D.by means of other than airmails
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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
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
最新試題
The height of a tide can be increased by（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
Which is a weekly publication advising mariners of important matters affecting navigational safety（）.
The range of a light on Admiralty Charts is normally the（）.
Information for updating nautical charts is primarily found in the（）.