A.one nautical mile
B.two kilometers
C.5 cables only
D.one fathom
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A.a vessel arrives at a port in a evening
B.a vessel leaves a port in a evening
C.a vessel arrives at a port in a morning
D.a vessel leaves a port in a morning
A.by
B.with
C.on
D.in
A.cable areas
B.dumping grounds
C.fish trap areas
D.precautionary areas
A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
A.After boarding the pilot
B.After the pilot leaving the ship
C.After the pilot going on board
D.After taking the pilot
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Lateral movement of the vessel to leeward of its course defines （）.
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
Areas enclosed by a long and short dashed magenta line indicate （）.
During daylight savings time the meridian used for determining the time is located farther （）.
Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
Clearance gauges at bridges indicate （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
During a period of whiteout，you should expect which of the following（）.