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- Q135 - Navigation Problems: Oceans
375. On 7 March at 1838 ZT, in DR position LAT 34°26.9' N, LONG 58°16.2' W, you observe Polaris for latitude. The sextant altitude (hs) is 35°08.4'. The index error is 2.5' off the arc. The height of eye is 54 feet. What is the latitude at the time of the sight?
The latitude is determined by correcting the sextant altitude for index error, dip, star altitude, and then applying the Polaris table correction from the Nautical Almanac based on the Local Hour Angle Aries.
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