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.
Official USCG Answer & Rule Citation
Correct Answer: Option A — 6763.0 miles, 304.5°T
Using the haversine formula for great circle navigation, the distance is calculated as 6763.0 nautical miles. The initial course is determined by solving the spherical triangle formed by the pole and the two positions, resulting in an initial great circle course of 304.5 degrees True.
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