What is a "displacement mode" in boating?

Displacement mode refers to a method of operating a boat in which the hull moves through the water at lower speeds, primarily displacing the water rather than planing on top of it. In this mode, a vessel, often with a displacement hull design, uses the shape of its hull to push water aside as it moves forward. This is effective for stability and fuel efficiency at lower speeds, making it suitable for a variety of boating activities such as cruising or long-distance travel.

This contrasts with modes that emphasize speed, such as planing, where the hull rises above the water surface to reduce drag and increase velocity. It also differs from hull design classifications or propeller operation methods, which focus on the structural characteristics of the boat or the mechanics of propulsion rather than the movement style through water. Understanding displacement mode is crucial for selecting the right vessel and for knowing how to operate it effectively, especially in different conditions.