Deck Misc (Supplementary) USCG Question #572 (Set 3)

Your vessel is on a course of 144°T at 16 knots. At 0126 a light bears 166.5°T, and at 0152 the light bears 189°T. At what time and at what distance off will your vessel be when abeam of the light?

Official USCG Answer & Rule Citation

Correct Answer: Option B — 0210, 4.8 miles

Utilize standard bow and beam bearing formulas or running fix calculations based on time intervals between bearings (166.5°T to 189°T) at 16 knots to determine that the vessel will be abeam at 0210 at a distance of 4.8 miles.

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