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 order to attend to the pilot, so that the remaining crew could not keep the balloon near the ground. The flaming balloon rose rapidly and uncontrolled, then exploded. The balloon’s pilot and a maintenance engineer were arrested for negligence. 2013 Luxor hot air balloon crash On 26 February 2013, at 07:00 Egypt Standard Time (05:00 UTC), a hot air balloon crashed near Luxor, Egypt. The crash resulted in 19 deaths out of 21 passengers – 18 on-site and one in hospital hours later. It is the deadliest ballooning accident in history and the deadliest aerostat disaster since the Hindenburg disaster