Deck: Navigation Problems

1. A The northern hemisphere vertex is approximately at longitude 42°26'W.
2. B A composite sailing must be plotted to remain south of a limiting latitude of 44°N.
3. C Because the latitudes are almost the same, a great circle track approximates a parallel sailing.
4. D The distance is measured by using the length of one degree of the meridian at the position of the vertex.

Tip: press A-D to answer