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
1989 Alice Springs hot air balloon crash 1989 Alice Springs hot air balloon crash On 13 August 1989, two hot air balloons collided near Alice Springs, Northern Territory, Australia, causing one to crash to the ground, killing thirteen people. It was the world's deadliest ever ballooning disaster until February 2013, when a balloon accident near Luxor, Egypt killed 19 people. , it remains the deadliest ever ballooning accident in Australia, and the third-deadliest worldwide, surpassed only by the Egypt crash and a balloon accident in Texas in 2016 that left 16 people dead. The flight took off at Santa Teresa Road, 29 kilometres south east of Alice