A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
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A.deviation
B.annual rate of variation change
C.precession
D.compass error
A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
A.C
B.Cl
C.Co
D.c
A.Surging
B.Spilling
C.Plunging
D.Converging
A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
最新試題
The short-long dashed magenta line around Gardiners Island marks（）.
The numeral in the center of a wind rose circle on a pilot chart indicates the （）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
The description Racon beside an illustration on a chart would mean a （）.
The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
On a Mercator chart，1 nautical mile is equal to（）.
What information is NOT found in the chart title? （）
Which chart symbol indicates the bottom is clay（）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.