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

Under 33 CFR §83.30, which category of vessel at anchor is required to illuminate her decks using available working or equivalent lights?

  1. AAny vessel at anchor in a restricted visibility situation
  2. BAny vessel at anchor that is also aground
  3. CA vessel of 100 meters or more in length✓ correct
  4. DA vessel of 50 meters or more in length

Why C is correct

33 CFR §83.30(c) states that a vessel at anchor may use working lights to illuminate her decks, but a vessel of 100 meters or more in length shall do so. The 50-meter threshold governs the simplified single-light option, not the deck illumination requirement.

Cited:33 CFR §83.30(c)

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Under 33 CFR §83.30, which category of vessel at anchor is required… — USCG Exam Practice · CaptainsGround