A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle.
- Genre: Adventure, Fantasy, Animation, Action, Family, Romance
- Studio: Tokuma Shoten, Studio Ghibli, Nibariki
- Kata kunci: flying, mine, magic, castle, lost civilisation, army, pirate, orphan, government agent, floating, pendant, blue sky, air pirate, crystal, anime
- Pelakon: Keiko Yokozawa, Mayumi Tanaka, Minori Terada, Kotoe Hatsui, Fujio Tokita, Ichirō Nagai