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Reports

To demonstrate WBA and YBT2 we present these analyses either from publicly available information or with kind permission of our clients.

Download 20080820 - SpanAir Accident at Madrid
filesize: 905.44 KByte
A Why-Because Analysis of SpanAir Flight 5022 ("JK5022"). The aircraft lifted off from Runway 36L, briefly got airborne, stalled, slid and bounced through uneven terrain, hit obstacles. It finally came to rest, disintegrated and caught fire. Most of the occupants were killed.
Download 200808 - European Electricity Blackout (Nov 2006)
filesize: 2.04 MByte
A Why-Because Analysis of the Disruption in the European Power Grid in the night between the 4 and 5 November 2006. A high-voltage line had to be turned off to let a cruise ship pass underneath. The following load re-distribution caused many other lines to trip, splitting the European power grid into three parts with a generation/consumption imbalance. In areas with under-generation, consumers had to be disconnected from the grid. During the peak up to 15 million people in Europe were without electricity.
Download 200805 - Reverse Engineering Examples
filesize: 411.7 KByte
This paper presents two reverse-engineered analyses,
1. different take-off configurations of an Airbus A320 plane, which were developed based on information published in the aircraft's FCOM (Flight Crew Operating Manual) and
2. the interaction between multiple components controlling the fuel flow in Boeing's B777 aircraft.
Download 20060930 - Amazonas MidAir Collision - WBA of public information
filesize: 910.56 KByte
Causal Analysis of the Amazonas Mid-Air near GOL flight 1907 and an Embraer Legacy operated by US based ExcelAire based on information made public in newspapers, magazines and preliminary accident reports.