On a voyage via the southern tip of Nova...

Question 1 / 2066636eea28f7522a1c51b86c

Question 1 of 2066636eea28f7522a1c51b86c

On a voyage via the southern tip of Nova Scotia (LAT 43°20'N, LONG 65°35'W) you wish to sail the shortest route to La Coruna, Spain (LAT 43°20'N, LONG 8°24'W). Which of the following will require you to plot a composite sailing? (Use gnomonic tracking chart WOXZC 5274)

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66636eea28f7522a1c51b86c

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🔍 Key Concepts

• Great-circle vs. rhumb line on a gnomonic chart • What situations call for composite sailing (limiting latitude or exclusion zones) • How hazards that are linear vs. circular/area-based affect route planning

💭 Think About

• First, sketch or visualize the great-circle track between the two given positions on the gnomonic chart. Which of the four hazards lies such that the great-circle would pass through or very near it? • Ask yourself: Which option describes a hazard that forms a large area or "forbidden zone" that you need to skirt smoothly, rather than a single point or narrow line you can simply dog-leg around? • Consider how composite sailing is constructed: you sail along a great-circle until you touch a limiting boundary (latitude or circular area), then follow that boundary. Which choice best fits that description?

✅ Before You Answer

• Verify which hazard is closest to the plotted great-circle track between the departure and destination on WOXZC 5274. • Check whether the hazard creates a need for a limiting parallel or limiting curve that you must follow for some distance, not just a brief course alteration. • Confirm that the selected option would make a simple single great-circle plus one small alteration impractical, pushing you instead toward designing a composite great-circle/limiting boundary route.

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Question 1 of 20

Sea ice reported 68 miles ESE of St. John's, Newfoundland

Icebergs reported extending west to west-northwest from LAT 47°00'N, LONG 35°00'W

Shoals extending 15 miles from Sable Island

Naval exercises using live ammunition being conducted within a 150 mile radius of LAT 49°00'N, LONG 20°00'W

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Question 1 / 2066636eea28f7522a1c51b86c

Question 1 of 2066636eea28f7522a1c51b86c

Back

Question 1 of 20

66636eea28f7522a1c51b86c

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If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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