Hot air balloon sea level, and humidity of the air surrounding. On a warm day, a balloon cannot lift as much as on a cool day, because the temperature required for launch will exceed the maximum sustainable for nylon envelope fabric. Also, in the lower atmosphere, the lift provided by a hot air balloon decreases about 3% for each 1,000 meters (1% per 1,000 ft) of altitude gained. Standard hot air balloons are known as Montgolfier balloons and rely solely on the buoyancy of hot air provided by the burner and contained by the envelope. This style of balloon was developed by the
2013 Luxor hot air balloon crash stop all flights when you have a plane crash? ... You will cut the livelihoods for nearly 3,000 human beings who live on this kind of tourism." Angered by the industry-wide shutdown, tourism workers threatened to organize protests on 2 March. The same day, Saad admitted that pressure to resume balloon flights was mounting and promised that downtime would be less than a month. Hot air balloon rides at Luxor were set to resume in April, according to a statement on the Egyptian Civil Aviation Regulatory Commission's (CARC) website. Preliminary results of the government investigation ruled out criminal conduct as