Air Navigation question bank

Magnetism and Compasses: DGCA Air Navigation questions

5 sample questions from RK Bali, with the correct answer shown.

Sample questions

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Question 1

The magnetic north pole seems to rotate around the geographical north pole. A complete rotation takes about:

Question 2

In the areas close to the magnetic poles compasses are not to any use in air navigation, mainly because:

Question 3

Magnetic dip at 40°, H value = 23 unit, value of Z and T will be.

Question 4

In direct reading magnetic compass, the effect of dip is countered by:

Question 5

Compass deviation is caused by:

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