Determine the great circle distance and initial course from LAT 26°00.0'S, LONG 56°00.0'W to LAT 34°00.0'S, LONG 18°15.0'E.
Official USCG Answer & Rule Citation
Correct Answer: Option D — 3805 miles, 117°T
Applying the haversine and spherical law of cosines formulas from Bowditch for southern hemisphere transoceanic navigation between South America and South Africa produces a great circle distance of 3805 miles and an initial course of 117°T.
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