A.fix
B.estimated position
C.dead reckoning position
D.running fix
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A.Hifix
B.Hyperfix
C.Trisponder
D.WGS84
A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
A.the meridian through the object of the bearing
B.the meridian through the ship's position
C.the meridian midway between the ship and the object
D.any meridian
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
A.Light List
B.Notice to Mariners
C.On the chart
D.Coast Pilot
最新試題
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
The shoreline on charts generally represents the mean（）.
Which chart symbol indicates the bottom is clay（）.
On a Mercator chart，1 nautical mile is equal to（）.
The only cylindrical chart projection widely used for navigation is the （）.
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
Charts showing the coast of Mexico are produced by the United States（）.
Which information is found in the chart title（）.
The arrangement of charts in the catalogue is（）.
What information is found in the chart title? （）