Episode 1 - An Airship plunges into a Chicago Bank

06/18/19 • 20 min

This series called Plane Crash Diaries is really about how safe aviation has become. This sounds like a contradiction, but its through the experience of more than a century of commercial aviation that experts have been able to build an extremely safe sector in the 21st Century. Decades of improving safety and regulations as well as operating procedures have led to a form of transport that is now regarded as crucial to the development of the world economy. There are more than 2,000 airlines operating more than 23,000 aircraft at 3,700 airports around the world. These airlines serve a total of more than 3.5 billion passengers a year or about 96,000 passengers a day. The commercial aircraft industry has been growing at 5% per year over the past 30 years and is expected to double over the next decade. This is success in anyone’s book. With all those planes flying about, safety is paramount and has been since the early days of aviation. Consider how many aircraft are flying compared to the number of incidents and you’ll agree that aviation is surely one of the safest methods of getting around in the modern world. But it wasn’t always like that. Each accident that has taken place since the first heavier than aircraft commercial aviation began after the First World War has led to improved standards. So in this series we’ll track these accidents from across the one hundred years since the first was logged. That was on July 21st 1919 when a GoodYear blimp the Wingfoot Express, crashed into the Illinois Trust and Savings Building in Chicago. Thirteen people died – three of the five on board the dirigible and ten others on the ground. The accident led to new regulations eventually about how high aircraft should fly above congested city centres. As a pilot I have to follow these to this day even here in South Africa where Air Law states that no Central Business District may be overflown without consent from the Civil Aviation Authority.

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Episode 2- Air France 447, frozen pitot tubes & confusion on the flight deck

This is the series that tracks air disasters through history and how each has led directly to the safety we almost take for granted every time we climb aboard an airliner. Last week it was the story of the first recognized commercial air crash involving a dirigible over Chicago in July 1919 that killed 13 people, three on board and 10 on the ground. That led to new no-fly rules over city central business districts. This week we have jumped forward to the crash of Air France 447 which took place in June 2009. Two hundred and twenty eight crew and passengers were on board. None made it out alive. A crucial piece of equipment malfunctioned leading to incorrect decisions being made by the air crew. The piece of equipment is called the Pitot tube. At the end of this episode I’ll update the Short History of section with more details about the background to the PITOT tube. Pitot tubes are amazingly simple yet vital hardware and you can find these on all aircraft, big or small. It’s linked to pressure-sensitive instruments and used to determine airspeed, altitude, and rate of climb or how fast a plane is climbing or sinking. Modern airliners have more than one, but that didn’t make any difference in the early morning hours of June 1st 2009. Air Airbus A330-203 registration F-GZCP took off from Rio de Janeiro at on May 31st 2009 routing to Paris. Because the duration of the flight was more than 10 hours, there were 3 crew which meant each could take a break. The flight's captain was Marc Dubois, while the co-pilots were Pierre-Cédric Bonin and David Robert.[12] There were 9 cabin crew onboard and 216 passengers. Unfortunately for all on board, the first sign of poor aviating that night a severe chain of thunderstorms appeared in the inter tropical convergence zone, the area north and south of the equator which registers cumulo nimbus based storms that can rise to nearly 50 000 feet which is higher than any airliner flies. No large commercial airliner can fly that high.