You are on a voyage from Cape May (LAT 39° 50' N, LONG 74° 45' W) to the English Channel (LAT 49° 00' N, LONG 05° 00' W). What will NOT prohibit the use of a great circle track from departure to arrival? (Use gnomonic chart WOXZC 5274.)
• Great circle vs. rhumb line tracks on a gnomonic chart • How landmasses and dangers to navigation affect the feasibility of a great circle track • The effect of high‑latitude vertices on using a great circle from departure to arrival
• On a gnomonic chart, what does a great circle look like, and how do you check if it passes over land or hazards? • Which of the listed features would physically intersect or dangerously approach the straight‑line great circle between the two positions? • How would a very high‑latitude vertex affect your ability to use one continuous great circle track from departure all the way to arrival?
• Plot both positions on WOXZC 5274 and draw the great circle (straight line) between them; note where it crosses. • Check which choices would cause the track to cross land or known danger areas, making the GC track unusable as‑drawn. • Consider whether a high‑latitude vertex itself automatically prohibits using a single great circle, or just makes it less practical or requires waypoints.
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