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. (September 2015)
JACDEC stands for Jet Airliner Crash Data Evaluation Centre, providing global safety analysis about commercial aviation since 1989. The German founders Jan-Arwed Richter and Christian Wolf have written a number of books about aviation accidents. Since 2002 JACDEC developed under that term social research a global as a service, detailed information about an airline are with costs. The JACDEC Safety Index was developed from their own database. The Centre also monitors current safety occurrences and provides updates on airline safety issues in social networks. The ratings take into account the number and deadliness of the hull losses (destroyed airplanes) they have suffered in the past 30 years, how they have fared more recently, and how many flights they have flown without incident. The results do not take into account the cause of the hull losses, or whether the airline is at fault, so they are not a perfect measure of how safely an airline operates.
The JACDEC airline safety ranking
Since 2002 JACDEC publishes an annual ranking of the "Safest 60 Airlines". The index rating, JACDEC distinguishes whether an event is a total loss or a serious incident: Both will be recorded in our JACDEC Database, but in the final weighting a total loss counts considerably more. The term "total loss" means that any repair costs of accident damage exceeds the residual value of the aircraft or the aircraft was totally destroyed. JACDEC include only flights where paying passengers were on board. Therefore, all freight – ferry, training of maintenance flights are disregarded.
Also, JACDEC is taking the operational environment as one important factor for an airline´s safety performance.
JACDEC concludes "There is a direct correlation between the safety of an airline and the competence and transparency of the controlling authorities."
Therefore, the results of the so-called USOAP, this abbreviation stands for Universal Safety Oversight Audit Programme.
In particular it is investigated how a country is able to meet and maintain defined standards of aviation safety. USOAP Website
The results of this investigation will be published on a website and can be viewed by everyone.
Furthermore, JACDEC takes into account what level of transparency a governing authority has.
JACDEC's methodology has been criticized within the airline evaluation industry as unreliable and not transparent.
The inaccuracy of the company's indexing has been debated after a list was issued for the German Newspaper Bild's web site after the crash of Air France Flight 447, displaying the safety index of world's 60 biggest airlines. The list which was possibly wrongly computed unfairly included Turkish Airlines as the list's 60th, and least safe airline, which is indeed a Star Alliance member. Starting year for the list was precisely chosen as 1973, some 36 years back, including a Turkish Airlines jet that had crashed in 1974 and a time when most of the airlines that are listed did not even exist, such as JetBlue Airways which was founded in 1999 and other regional companies with less flight frequency.
The listing of Turkish Airlines as the least safe airline is supported by Turkish Airlines DC-10 crash, which was due to manufacturing faults of the DC-10's cargo door locking system, that killed all 346 aboard. In the aftermath of this crash, action was taken worldwide to fix the cargo-doors fault of DC-10s that were in service.