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- Q127 - Navigation Problems: Oceans
53. On 11 January your vessel's 0655 zone time DR position is LAT 24°30'N, LONG 122°02'W, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 101.0° per standard compass. Variation in the area is 11.6°E. The chronometer reads 02h 52m 48s and is 02m 12s slow. What is the deviation of the standard compass?
The deviation of the standard compass is 1.4E. The true bearing of the Sun is 114.0T, resulting in a total compass error of 13.0E. Subtracting the variation of 11.6E yields a deviation of 1.4E.
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