Navigation Problems USCG Question #609 (Set 18)

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.

Gnomonic tracking charts (WOXZC 5274) represent great circles as straight lines. Constructing the route from 38°N 73°W to 49°N 06°W reveals that the direct path intersects the 25-mile radius hazard zone surrounding Sable Island, rendering it an active navigational danger.

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