Determine the great circle distance and initial course from LAT 31°57.0'S, LONG 115°52.0'E to LAT 24°47.0'N, LONG 66°59.0'E.
Official USCG Answer & Rule Citation
Correct Answer: Option D — 4407 miles, 314.5°T
Apply great circle navigation principles and spherical trigonometry equations from Bowditch. Using the given departure and arrival positions, calculate the length of the geodesic arc and the initial course angle, resulting in a great circle distance of 4407 miles and an initial course of 314.5°T.
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