Which statement is true regarding cantilever wings in aircraft design?

In aircraft design, a cantilever wing is characterized by being supported solely at one end. This configuration allows for a clean aerodynamic profile since there are no struts or braces extending from the fuselage to support the wing, which is typically seen in other wing designs. This support arrangement enables the wing to carry loads primarily through its own structure, relying on the rigidity and strength of the materials used in its construction.

The design's efficiency contributes to better performance, including higher speeds and improved aerodynamics compared to wings that require additional bracing. Furthermore, because cantilever wings are self-supporting, they reduce drag and the overall weight of the aircraft, while promoting streamlined flight.

Other options present misunderstandings of cantilever wing characteristics. For instance, requiring additional external bracing contradicts the fundamental definition of a cantilever wing, as they are designed specifically to function without that support. The notion that they are less aerodynamic fails to recognize their efficiency due to the absence of extraneous structural elements. Lastly, while they do require robust structural design, saying that cantilever wings have more structural support does not accurately reflect how they operate, as their design inherently relies on optimized material use to bear loads effectively.