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- Q135 - Navigation Problems: Oceans
35. At 0100 zone time on 23 September your DR position is LAT 24°25.0'N, LONG 83°00.0'W. You are steering course 315°T. The speed over the ground is 10.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1100 running fix. ZONE OBSERVED TIME GHA ALTITUDE (Ho) DECLINATION ---- --- ------------ ----------- 0700 17°20.1' 21°09.0' S 00°09.7' 0900 47°03.0' 46°05.0' S 00°11.6' 1100 77°06.4' 63°16.1' S 00°13.5'
The correct answer is LAT 2535.3'N, LONG 8417.0'W. This position results from advancing the DR and plotting the intersection of the three morning Sun LOPs to 1100.
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