Question 590Navigation General

The correct answer is D) 337.5°. A vessel heading NNW (North-North-West) is on a course of 337.5°. This is because the 360° compass rose is divided into 32 equal points, with each point representing 11.25° (360° / 32 = 11.25°). The point of NNW falls between the North (0°/360°) and Northwest (315°) points, which corresponds to 337.5° on the compass. The other options are incorrect because they do not accurately represent the course of a vessel heading NNW. Option A (274.5°) is too far to the west, Option B (292.0°) is also too far to the west, and Option C (315.5°) is the Northwest point, which is not the same as NNW.