Your vessel is on a course of 196°T at 17 knots. At 0417 a light bears 218.5°T, and at 0442 the light bears 241°T. At what time and at what distance off will your vessel be when abeam of the light?

Correct Answer: Option A — 0500, 5.0 miles

With a course of 196 degrees and 17 knots, bearings taken at 0417 and 0442 show a 25-minute run between 21.8.5 and 241 degrees. Time to abeam equals the time interval, resulting in 0500 and a distance off of 5.0 miles.