Kūsō no Sora Tobu Kikaitachi (空想の空飛ぶ機械達 Imaginary Flying Machines) is a 2002 Japanese animated short film produced by Studio Ghibli for their near exclusive use in the Ghibli Museum. It features director Hayao Miyazaki as the narrator, in the form of a humanoid pig, reminiscent of Porco from Porco Rosso, telling the story of flight and the many machines imagined to achieve it. The film could also be seen on the in-flight entertainment system used by Japan Airlines.