What does a positive metacentric height indicate about a vessel’s stability?

A positive metacentric height signifies that the center of buoyancy of the vessel shifts in a way that supports stability when the vessel is tilted or heeled. Specifically, when a vessel is tilted, the center of buoyancy moves to the side of the tilt, creating a righting arm. This righting arm works against the heeling moment caused by external forces, such as wind or waves, thereby promoting the return of the vessel to its upright position.

In general, a greater metacentric height implies greater stability since it enhances the righting moment. Therefore, the presence of a positive metacentric height is essential for the vessel's ability to recover from tilting, ensuring safer navigation and operation in various sea conditions. This reinforces the understanding that a stable vessel is less likely to capsize and can manage adverse situations more effectively.