Ed Yost own interests turned toward reviving the lost practice of manned hot-air ballooning. This technology had first been invented in France by in the late 18th century by pioneers led by the Montgolfier brothers, but under the Montgolfier system, the balloon's air was heated by a ground fire prior to the balloon being released. The inherent danger of this type of balloon flight led to the system being abandoned when hydrogen and later helium became available. One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners
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