compass deviation

What Is A Compass Correction Card?

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What Is A Compass Correction Card? Compass correction/deviation card. A small card placed in the cockpit to show the compass deviation for each heading. The card reads the courses to be steered in lieu of the required headings . Also called a deviation card. Is a compass correction card required? So, the compass correction card

How Do You Fix A Compass With Reverse Polarity?

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How Do You Fix A Compass With Reverse Polarity? ‘It is possible to ‘reverse’ the reversed polarity using a strong magnet. This can be achieved by quickly flicking the magnet outwards along the ‘north’ end of the needle. Repeat vice-versa. Always ensure you compare with a compass that is known to be correct. What causes