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
Hot air ballooning in Luxor killed when a leaking fuel line started a fire. After 22 Chinese tourists were injured in a 2016 balloon crash, the Civil Aviation Ministry suspended flights for three days while safety procedures were reviewed. Fifteen tourists were injured and one man from South Africa was killed in the 2018 Luxor hot air balloon crash when high winds caused the balloon's operator to lose control. Flights were suspended until the unusually high winds subsided. Hot air ballooning in Luxor Hot air ballooning in Luxor is an aspect of the Egyptian tourist industry, tour companies offer rides in hot air balloons to