A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude
A.set the vessel to the left
B.set the vessel to the right
C.offer resistance in the form of a head current
D.furnish additional thrust in the form of a fair or following current
A.Canary Current
B.Benguela Current
C.Agulhas Current
D.South Atlantic Current
A.Leeway
B.Leeside
C.Leeward
D.Lee moving
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.watch
B.look for
C.see
D.regard
A.west in west longitude and east in east longitude
B.east in west longitude and west in east longitude
C.west
D.east
A.Snowfall or blowing snow
B.Lack of ability to estimate distance
C.Harsh contrast between sun-illuminated snow cover and the background
D.Hazy horizons with extensive mirage effects
A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
最新试题
Areas enclosed by a long and short dashed magenta line indicate ().
Conditions for crossing a rough bar are usually best at ().
Lateral movement of the vessel to leeward of its course defines ().
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean ().
As these features are not all charted,special caution should be exercised () vessels navigating in the vicinity.
A pilot vessel on pilotage duty shall show identity lights ().
Due to lapse of time the risk in these areas to surface navigation is now considered ()than the ordinary risks of navigation,but a very real risk still exists with regard to anchoring,fishing or any form of submarine or seabed activity.
At last,the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that ().
The height of eye correction is smaller than geometrical dip because of ().
Attention is called to the fact that in many cases pipelines are not () and charted depths may be decreased by up to 2 meters.