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USCG Exam Practice · Rule 3 — General Definitions

A vessel is proceeding under sail with her engine running and engaged to the propeller shaft. Under the Inland Navigation Rules, this vessel is properly classified as:

  1. AA sailing vessel, because sails are the primary means of propulsion
  2. BA power-driven vessel, because propelling machinery is being used✓ correct
  3. CA vessel restricted in her ability to maneuver, because she is operating in a hybrid mode
  4. DA vessel not under command, because her propulsion status is ambiguous

Why B is correct

33 CFR §83.03(c) defines 'sailing vessel' as any vessel under sail provided that propelling machinery, if fitted, is not being used. When propelling machinery is in use, the vessel is a power-driven vessel under §83.03(b), regardless of whether sails are also set.

Cited:33 CFR §83.03(b)33 CFR §83.03(c)

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