Joseph Mangan

Joseph Mangan

Joseph Mangan is an American aerospace engineer who, in 2004, told European aviation authorities of his belief that the microprocessors controlling cabin pressurization valves in the new Airbus A380 might allow a sudden depressurization of the passenger cabin in flight—which, at normal cruising altitudes, could endanger the lives of people aboard the aircraft. A sudden loss of pressure at high altitudes can produce unconsciousness within seconds, followed eventually by death.

According to EADS, all parties have ensured through the most varied control channels that there is no safety deficit with regards to the scenario as described by Mangan cite web | title = Statement Regarding Claims | publisher = EADS | date = 5 October 2005 | url =http://www.eads.com/1024/en/pressdb/archiv/2005/2005/en_20051006_stellungnahme.html | accessdate = 2008-04-04 ] .All corresponding documents were reviewed and approved by EASA and FAA. The review process proved Mangan's allegations to be wrong and was successfully finished in late 2006 when the Airbus A380 including the internal communication system and the microprocessors of the cabin pressure control system was certified by EASA and FAAcite web | title = Airbus A380 Gets Type Certification | publisher = Airwise News | date = 12 December 2006 | url =http://news.airwise.com/story/view/1165958573.html | accessdate = 2008-04-04 ] .

Mangan's story is one of those featured in a 2007 French Documentary entitled Du côté des “anges” which translates to "As for the "Angels" by Mattieu Verboud, which is about employees who break "the law of silence" to denounce acts of corruption or negligence in their companies cite web | title = As for the Angels | url =http://translate.google.com/translate?hl=en&sl=fr&u=http://fr.wikipedia.org/wiki/Du_c%25C3%25B4t%25C3%25A9_des_%25C2%25ABanges%25C2%25BB&sa=X&oi=translate&resnum=4&ct=result&prev=/search%3Fq%3DDu%2Bc%25C3%25B4t%25C3%25A9%2Bdes%2B%25E2%2580%259Canges%25E2%2580%259D%2BJoseph%2BMangan%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D5Cx ] .

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