What type of hull typically provides the best stability in ocean conditions?

A displacement hull is designed to move through the water by pushing it aside rather than trying to glide on top of it. This design allows for greater stability, particularly in ocean conditions where waves and swells can be present. Displacement hulls have a rounded shape that provides a lower center of gravity, which enhances stability and reduces the likelihood of rolling in rough seas.

These hull types are common on larger vessels like cargo ships and some recreational cruisers, as they are able to handle significant waves and maintain a steady course. The design's ability to cut through waves instead of being lifted by them contributes to a more comfortable ride, which is crucial for ocean navigation.

The other types of hulls, while beneficial in specific contexts, may not offer the same level of stability in turbulent waters. Flat-bottomed hulls can be unstable in rough seas due to their tendency to rock. Planing hulls are more suited for speed in calmer waters and are designed to rise and skim across the surface, which can compromise stability in rough ocean conditions. Deep-vee hulls provide good stability and performance but still may not match the steady buoyancy provided by a displacement hull in turbulent seas.