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USCG Exam Practice · Anchoring — types, scope, holding ground

A vessel less than 50 meters in length is at anchor at night. Which of the following light configurations is specifically authorized as an alternative to the standard two-light anchor display?

  1. ATwo all-round red lights in a vertical line
  2. BOne all-round white light where it can best be seen✓ correct
  3. CA masthead light and a stern light
  4. DOne all-round white light forward and one all-round red light aft

Why B is correct

Under 33 CFR §83.30(b), a vessel of less than 50 meters in length may exhibit a single all-round white light where it can best be seen instead of the forward and after all-round white lights required by §83.30(a). Two all-round red lights in a vertical line are an additional signal for a vessel aground, not at anchor.

Cited:33 CFR §83.30(b)

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A vessel less than 50 meters in length is at anchor at night. Which… — USCG Exam Practice · CaptainsGround