How many traits in common does a motorcycle and airplane have?

Motorcycles and airplanes share several traits, including the need for balance and control during operation, as both require a skilled operator to navigate safely. Both vehicles are designed for speed and maneuverability, emphasizing aerodynamics in their design. Additionally, they utilize similar principles of propulsion, relying on engines to generate thrust, whether through wheels or wings. Lastly, both come with safety gear and protocols to ensure rider and passenger safety.