Rules of the Road · General & Definitions
Under 72 COLREGS, a 'power-driven vessel' is defined as:
- AAny vessel propelled by machinery✓ Correct
- BAny vessel over 20 meters propelled by an engine
- CA vessel propelled by machinery and not also under sail
- DA vessel whose primary means of propulsion is an internal combustion engine
Explanation
Rule 3(b) defines a power-driven vessel simply as any vessel propelled by machinery. There is no size qualifier. Critically, a sailing vessel that is also using its engine is considered a power-driven vessel under Rule 25(e).
Authority: 72 COLREGS Rule 3(b)
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