Question 482Navigation General

The correct answer is A) _ . _ . _ . _ The symbol _ . _ . _ . _ represents a 10-fathom curve on nautical charts, which is a line that connects points of equal depth of 10 fathoms (60 feet or 18.3 meters) below the water's surface. This is the standard symbol used to depict 10-fathom curves on navigational charts, as specified in the regulations and standards for nautical charting. The other answer choices do not correspond to the recognized symbol for a 10-fathom curve.