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USCG Exam Practice · Rule 32 — Sound Signal Definitions

Under the Inland Navigation Rules, which vessel is required to carry a gong in addition to a whistle and bell?

  1. AA vessel of 20 meters or more in length
  2. BA vessel of 50 meters or more in length
  3. CA vessel of 100 meters or more in length✓ correct
  4. DA vessel of 12 meters or more in length

Why C is correct

33 CFR §83.33(a) requires a gong — whose tone cannot be confused with the bell — only on vessels of 100 meters or more in length. Vessels of 20 meters or more require a bell and whistle, and vessels of 12 meters or more require a whistle.

Cited:33 CFR §83.33

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