Hot air balloon Montgolfier brothers, and had its first public demonstration on 4 June 1783 with an unmanned flight lasting 10 minutes, followed later that year with manned flights. The 1785 Rozière balloon, a type of hybrid balloon, named after its creator, Jean-François Pilâtre de Rozier, has a separate cell for a lighter than air gas (typically helium,) as well as a cone below for hot air (as is used in a hot air balloon) to heat the helium at night. Hydrogen gas was used in the very early stages of development but was quickly abandoned due to the obvious danger of introducing
2012 Ljubljana Marshes hot air balloon crash an improper landing procedure, as well as ignoring the bad weather warning and the flight rules. In a preliminary hearing, the pilot denied all these statements, pleading not guilty to the charge of causing general danger. The court trial began in November 2016. Two years later, the district court exonerated the defendant, based on an opinion of a foreign expert. 2012 Ljubljana Marshes hot air balloon crash The 2012 Ljubljana hot air balloon crash occurred on the Ljubljana Marshes in central Slovenia on 23 August 2012, killing six people while 26 others survived. A hot air balloon carrying 32 passengers,