When using a Lambert conformal chart in high latitudes, angles such as bearings are measured in reference to __________.

Correct Answer: Option C — the meridian through the ship's position

Lambert conformal charts are conic projections where meridians converge. Because the chart is not a Mercator projection, bearings are measured relative to the meridian passing through the observer's position. This ensures accuracy when plotting lines of position in high latitudes where meridian convergence is significant, as noted in Bowditch.