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USCG Exam Practice · Rule 30 — Anchored and Aground (lights)

Under the Inland Navigation Rules, a vessel less than 50 meters in length when at anchor MAY, in lieu of the standard two-light arrangement, exhibit which of the following?

  1. ATwo all-round white lights in a vertical line
  2. BOne all-round white light where it can best be seen✓ correct
  3. COne all-round red light where it can best be seen
  4. DA masthead light and a sternlight

Why B is correct

33 CFR §83.30(b) expressly permits a vessel of less than 50 meters in length to substitute a single all-round white light, placed where it can best be seen, for the two-light arrangement required by §83.30(a).

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Under the Inland Navigation Rules, a vessel less than 50 meters in… — USCG Exam Practice · CaptainsGround