Expect to see cirrus clouds followed by altostratus and nimbostratus clouds
Alter course to remain in the navigable semicircle
Prepare for gusty winds,thunderstorms,and a sudden wind shift
Expect clear weather,with steady winds and pressure,until the front passes
第1题:
The compass rose on a nautical chart indicates both variation and ______.
A.deviation
B.annual rate of variation change
C.precession
D.compass error
第2题:
第3题:
On a chart, the characteristic of the light on a lighthouse is shown as flashing white with a red sector. The red sector ______.
A.indicates the limits of the navigable channel
B.indicates a danger area
C.is used to identify the characteristics of the light
D.serves no significant purpose
第4题:
第5题:
第6题:
Your vessel is proceeding down a channel,and you see a pair of range lights that are in line dead ahead.The chart indicates that the direction of this pair of lights is 229°T,and variation is 6°W.If the heading of your vessel at the time of the sighting is 232°per standard magnetic compass,what is the correct deviation ________.
A.3°E
B.9°E
C.3°W
D.9°W
第7题:
第8题:
The buoy symbol printed on your chart is leaning to the northeast. This indicates ______.
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
第9题:
第10题: