A.Reprints of Radio Navigational Warnings
B.Amendments to Admiralty Sailing Directions
C.Amendments to Admiralty Lists of Lights and Fog Signals
D.Amendments to Admiralty List of Radio Signals
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A.Chart Number only
B.Chart Number + Previous NM Number/Year
C.Chart Number + Between Previous and Present Dates
D.Cumulative Number
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
最新試題
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Steam smoke will occur when（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
The Daily Memorandum contains information on（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
On the approach of a warm front the barometric pressure usually（）.
The height of a tide can be increased by（）.
Steam smoke will occur when（）.
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.