Where Rule 13 - Overtaking applied to all vessels, Rules 14 and 15 are different; they apply only to Power Driven Vessels.
Before we go any further, a quick recap: what is a Power Driven Vessel (PDV?)
From Rule 3(b):
The term “power-driven vessel” means any vessel propelled by machinery.
But it is more complicated than this. Just because a vessel is being p…