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.
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The review process, incorporating the participation of Joseph Mangan, 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 FAA.
In 2004, Joseph Mangan, a former employee of TTTech, created controversy surrounding TTTech's products on the Airbus A380 by asserting that there was danger that microprocessors in the plane could result in sudden decompression.
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