A Canadian Piloting Resource.

What is a cause of the 15° drift per hour in heading indicators?

While the gyroscopic axis remains fixed in space, the earth continues to rotate, causing the approximate 15° drift per hour. This is why we need to adjust the heading indicator to match the compass every 15-20 minutes so we can stay on track.

2021-01-23T21:59:45-05:00

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