Hydroplanes are specialized vehicles designed to travel over water at high speeds. They can be powered by engines and are often used in racing events. Hydroplanes have a unique hull shape that allows them to lift out of the water, reducing drag and increasing speed. These crafts are commonly seen in competitions like the Hydroplane Racing League, where skilled pilots navigate challenging courses. Hydroplanes can also refer to a type of aircraft that can take off and land on water, known as seaplanes. Both types utilize the principles of hydrodynamics for efficient movement over water.