Early flying machines a second, inner ballonet. On 19 September 1784, it completed the first flight of over , between Paris and Beuvry, despite the man-powered propulsive devices proving useless. In January the next year Jean Pierre Blanchard and John Jeffries crossed the English Channel from Dover to the Bois de Felmores in a Charlière. But a similar attempt the other way ended in tragedy. In an attempt to provide both endurance and controllability, de Rozier developed a balloon with both hot air and hydrogen gas bags, a design which was soon named after him as the "Rozière." His idea was to use
Rozière balloon Feliu and Green. Four Cameron-R77s made Atlantic crossings, west to east, during September 1992. One was co-piloted by Bertrand Piccard. Australian adventurer Richard Smith and his co-pilot John Wallington made the first balloon voyage across Australia, in another Cameron-R77 Rozière, "Australian Geographic Flyer", on 18 June 1993. Steve Fossett made the first successful Pacific crossing during February 1995. On 27 February 1999, while they were trying to circumnavigate the world by balloon, Colin Prescot and Andy Elson set a new endurance record after flying in a Rozière combined helium and hot air balloon (the "Cable & Wireless" balloon) for 233