490. You are inbound in a channel marked by a range. The range line is 309°T. You are steering 306°T and have the range in sight as shown in illustration D047NG below. The range continues to open. What action should you take?

The front range mark is to the left of the rear mark, and the range is opening, indicating you are to the right of the range line. To regain the range, alter course to the left until the marks align, then continue steering to the left of your original course to compensate for any set and maintain position on the range line.