You are steering a course of 240°T, and a lighthouse bears 025° on the starboard bow at 2116. At 2144 the same lighthouse bears 050° on the starboard bow, and you have run 6 miles since the first bearing. What is the ETA when the lighthouse is abeam?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 2202
Piloting principles dictate that relative bearings off the bow determine running fixes and time-to-abeam intervals. With a 28-minute run over 6 miles and calculated angle rates, the time when the light is abeam computes to 2202.
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