You are steaming on a course of 071°T at 19 knots. At 1907 you observe a lighthouse bearing 122°T. At 1915 the lighthouse bears 154°T. What is your distance off at the second bearing?

Correct Answer: Option B — 3.7 miles

Applying standard Bowditch relative bearing calculations for a running fix, the run based on speed and time yields a distance off of 3.7 miles at the second bearing.