You are planning a voyage by great circle from LAT 38°00'N, LONG 73°00'W to LAT 49°00'N, LONG 06°00'W. Which of the following statements is TRUE? (Use gnomonic tracking chart WOXZC 5274)
Official USCG Answer & Rule Citation
Correct Answer: Option D — The shoals with a 25-mile radius around Sable Island will be a hazard.
Great circle navigation requires careful analysis of hazards. According to standard gnomonic tracking charts, the direct route between these coordinates passes in close proximity to Sable Island. The 25-mile radius around the island's shoals constitutes a significant navigational hazard that must be accounted for in the voyage plan.
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