Balloon (aeronautics) they are popular for balloonist sport activity. The first balloon which carried passengers used hot air to obtain buoyancy and was built by the brothers Josef and Etienne Montgolfier in Annonay, France in 1783: the first passenger flight was 19 September 1783, carrying a sheep, a duck, and a rooster. The first tethered manned balloon flight was by a larger Montgolfier balloon, probably on 15 October 1783. The first free balloon flight was by the same Montgolfier balloon on 21 November 1783. When heated, air expands, so a given volume of space contains less air. This makes it lighter and,
Gatineau Hot Air Balloon Festival the following years the festival became much larger and was one of the biggest festivals in Canada. Attendance at one point reached over 225,000 people and had over 150 balloons. In 1998, the festival was also hosting the World Hot Air Airship Championship, which was disputed by 16 teams from Europe, China and the United States. On July 14, 2001, Boileau who was the general manager since its beginning was involved in a horrific hot-air balloon accident just east of the Ottawa International Airport on Leitrim Road. The balloon, while trying to land in an open field, struck some hydro