🔍 Key Concepts

• Definitions in Rule 3 of the Navigation Rules (especially power-driven vessel and sailing vessel) • How the Rules treat a vessel that has both sails set and engines in use • Whether "special circumstance" is an official category for vessel type or something else in the Rules

💭 Think About

• Ask yourself: When a vessel has its engine on and is moving through the water, which formal definition in Rule 3 does it fit, regardless of whether sails are up? • Consider whether a sailing vessel with the engine running enjoys the same right of way as a vessel using only sails. • Think about whether the term "special circumstance" describes a type of vessel, or instead a type of situation between vessels.

✅ Before You Answer

• Look up the exact wording of Rule 3(b) and 3(c) in the Navigation Rules to see how power-driven and sailing vessels are defined. • Verify if the Rules ever say that a vessel can be "not covered under any category" when underway and under command. • Confirm whether a vessel using mechanical propulsion, even with sails set, is treated under the definition of power-driven vessel or sailing vessel.