The Dorancypher is the gang's airship in the Sky Realm. Nobita found the ruins of the abandoned airship in a forest, but they were able to restore it with the help of Doraemon's gadgets. Doraemon took a little inspiration from a famous crew of skyfarers when he named the vessel. Just as good as any newly-built craft, it is extremely easy to handle and an invaluable part of Nobita and friends' skyfaring adventure.