You are on course 056° per standard magnetic compass when you sight Block Island North Light in line with the Block Island Aero Beacon bearing 193° per standard magnetic compass. Based on this information which of the following should you do?

Question

Accepted Answer

know the deviation table is correct for that heading

Answer

know the compass error is 4°E

Answer

use 3°W deviation on bearings of 193°psc

Answer

swing your vessel to check for deviation

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