Deck 2014: Navigation Problems

1. A You can sail a great circle track between the two points.
2. B The vertex of the great circle track is north of the Aleutian Islands.
3. C Distance is measured in 60-mile segments using the length of a degree of latitude at the mid-latitude.
4. D You can steam on course 270°T, at latitude 52°N, between longitudes 149°W and 160°W in a composite sailing.

Tip: press A-D to answer