Commercial hot air balloon pilots may also act as hot air balloon flight instructors. The closing date of the novel, 21 December , was the same date as the serial publication. It covers all the important aspects including both actual flying and regulatory matters. Passepartout still manages to catch the steamer to Yokohama, but neglects to inform Fogg that the steamer is leaving the evening before its scheduled departure date. This plot element is reminiscent of Verne's earlier Five Weeks in a Balloon , which first made him a well-known author. Damaged fuel hoses need to be replaced. This enables a safe landing in the case of a blockage somewhere in one system or if a system must be disabled because of a fuel leak. Reunited, the four board a paddle-steamer, the General Grant, taking them across the Pacific to San Francisco. Much of what Fogg took with him was spent during the trip, as detailed above. If you go to a festival, don't be shy -- balloonists are happy to answer your questions, and its possible you'll find a balloonist that lives near you.