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- Q135 - Navigation Problems: Oceans
425. Determine the great circle distance and initial course from LAT 33° 53.3' S, LONG 18° 23.1' E to LAT 40° 27.0' N, LONG 73° 49.4' W.
Applying the great-circle formulas yields a central angle of 112.7, corresponding to a distance of 6763 nautical miles and an initial course of 304.5 true.
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