You are inbound in a channel marked by a range. The range line is 216° T. You are steering 213° T and have the range in sight as shown in illustration D048NG below. Which action should you take?

Correct Answer: Option C — Immediately alter course to the right to bring the range in line.

When the range appears with the bottom marker to the left of the top marker, the vessel is to the right of the range line. To regain the track, you must alter course to the right. This maneuver aligns the vessel back onto the intended transit line, ensuring safe channel passage.