Determine the great circle distance and initial course from LAT 37°47.5'N, LONG 122°27.8'W to LAT 33°51.7'S, LONG 151°12.7'E.
Official USCG Answer & Rule Citation
Correct Answer: Option D — 6445.2 miles, 240.3°T
Using spherical trigonometry formulas from Bowditch for great circle sailing between San Francisco and Sydney, the solution resolves via the haversine formula or standard navigational calculators to a total distance of 6445.2 nautical miles with an initial true course of 240.3°T.
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