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- Q135 - Navigation Problems: Oceans
518. On September 9 your 2130 zone time (ZD +5) DR position is LAT 45°08'N, LONG 82°38'W. At that time, you observe Polaris bearing 000.5°pgc. The chronometer time of the observation is 02h 26m 09s, and the chronometer is 1m 43s slow. The variation is 8.7°W. What is the gyro error?
The gyro error is 0.7E because the observed gyro bearing (000.5) is less than the true azimuth of Polaris (001.2), indicating the gyro is east of true.
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