Question 651Navigation General70% to pass
Variation is a compass error that you _______________.
AI Explanation
The correct answer is B) cannot correct.
Variation is a compass error caused by the magnetic influence of the Earth's magnetic field on the compass. It cannot be corrected by the mariner, as it is influenced by the vessel's geographic location and the Earth's magnetic field, which are outside the mariner's control. The other options are incorrect because adjusting the compass card, compensating magnets, or changing the vessel's heading will not correct the variation error, which must be accounted for by referencing published variation charts or tables.
Related Questions
#649 The chart indicates the variation was 3°45'W in 1988, and the annual change is increasing 6'. If you use the chart in 1991 how much variation should you apply? #650 The chart indicates the variation was 3°45'E in 1988, and the annual change is increasing 6'. If you use the chart in 1991 how much variation should you apply? #652 Error may be introduced into a magnetic compass by _______________.#653 The lubber's line on a magnetic compass indicates _______________.#654 The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is _______________.