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- Q141 - Navigation Problems: Near Coastal
106. On 21 February your 0823 zone time DR position is LAT 21° 44.0' S, LONG 80° 14.0' E. At that time, you observe the Sun bearing 096° psc. The chronometer reads 03h 25m 19s, and the chronometer error is 01m 52s fast. The variation is 5° W. What is the deviation of the standard magnetic compass?
The deviation of the standard magnetic compass is calculated by subtracting the true bearing of the Sun and the variation from the observed compass bearing. Using the given values, the deviation is 4.7 W.
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