The visible range marked on charts for lights is the __________.

Correct Answer: Option C — maximum distance at which a light may be seen in clear weather with 10 miles visibility

The visible range printed on nautical charts represents the maximum distance at which a light can be seen under clear meteorological conditions, specifically defined as 10 nautical miles of visibility. This standardizes the information provided to mariners, allowing for consistent planning of landfall and coastal navigation approaches.