A.ECDIS warnings and messages
B.Hydrographic Office data
C.Notice to Mariners information
D.All of the above
您可能感興趣的試卷
你可能感興趣的試題
A.Safe water mark
B.Isolated danger mark
C.Preferred channel mark
D.Daymark of no lateral significance
A.The objects lie in a straight line
B.The vessel is inside of a triangle formed by the objects
C.The vessel is outside of a triangle formed by the objects
D.A circle will pass through your position and the three objects
A.Can always rely on a buoy to be on station
B.Can always rely on a buoy to show proper light characteristics
C.Should assume a wreck buoy is directly over the wreck
D.Should never rely on a floating aid to maintain its exact position
A.Fathoms and meters
B.Miles and kilometers
C.Arc and degrees
D.Degrees and minutes
A.A current at minimum flow
B.A current coming in
C.A current going out
D.A current at maximum flow
最新試題
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
Depiction of TSS's on charts uses（）as the primary color.
The equator is（）.
Restricted areas at locks and dams are indicated by（）.
Traffic separation schemes adopted by the IMO are listed in（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
When using a buoy as an aid to navigation which of the following should be considered?（）
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.