Deck : General Navigation - 58/2138 |
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Which statement about the Flinders bar of the magnetic compass is CORRECT? |
A) It compensates for quadrantal deviation. |
B) It compensates for error caused by the heeling of a vessel. |
C) It compensates for the error caused by the vertical component of the Earth's magnetic field. |
D) It is only needed in equatorial waters. |
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