A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
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A.radar
B.DF
C.Satellite Navigator
D.Automatic Omega Navigator
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
A.the deviation has been offset by the variation
B.there is something wrong with the compass
C.the compass is being influenced by nearby metals
D.there is no deviation on that heading
A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true
B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true
D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true
A.compass error
B.true heading
C.variation
D.deviation
最新試題
()the canal transit,the radar was operating.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?().
A deadhead is a(n)().
An ECDIS is required to display which information?()
An ECDIS is required to display which information?()
()is on the panel of radar.
A tall object with a light on or near the shore,to act as a guide or warning to mariners is called().
A Doppler log in the bottom return mode indicates the().
You are using a radar in which your own ship is shown at the center,and the heading flash always points to 0°. If bearings are measured in relation to the flash,what type of bearings are produced?().
An electronic depth finder operates on the principle that().