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Thursday, June 4, 2009

Computer problems can cause Down Air France 447?

But some people have to first experience ADIRU failure of Air France flights: Air France pilots. Julian Gourguechon, International secretary of the French pilots (SNPL) and pilot of Air France for 10 years, says ADIRU failures are not foreign to him, his colleagues and other French pilots flying for other companies and the military. "There SNPL ADIRU from pilots who have had problems," he said. But, he adds, is "very beautiful ... you have no more fly-wire on a technical, rather than their failure to make the hydraulic engine or mechanical failure." As Flight 447, although it ADIRU aircraft malfunction, electrical short circuit or other problems can cause, he says. "They ADIRU maintained by many sources and the failure of one of these funds could lead to loss ADIRU."

ADIRUs one of three aircraft which is designed to help aircraft flight control systems computer fly the plane safely, begins to send false data peaks flight guidance computer. Instead of postponing the information that ADIRUs since it must function properly to work on the computer false data and leans heavily to fly as close to catastrophic results. She later learned that the same plane is similar experience occurred in September 2006 after three other flights. All of these aircraft carry the same brand and model ADIRU and more than a third of Airbus 340s and 330s in the fleet. So if this model ADIRU a story of failure, why not continue to care for its Airbus 330s and 340s?

According to Airbus spokesman Justin Dubon, all comparisons between Qantas and Air France flights are fundamentally misleading. "One thing must be clear is that there is more than one manufacturer and ADIRUs ADIRU manufacturer Qantas is not the same case, Air France," he tells TIME. In view of the commercial aviation magazine Air Transport Agreement News, manufacturer, Northrop Grumman done ADIRUs for Qantas, Air France and Honeywell. "There are similarities between ADIRUs both cases," said Dubon.

Gourgeon said that "continuity of technical dozen messages sent from AF447 showed that" certain electrical systems were broken "shortly before the crash. A history of messages received from Sao Paulo daily Jornal DA later revealed that minutes before the plane is believed to be drop in the ocean, autopilot is cheap and the plane sustained damage to the stabilization and control of flight, and lack of monitoring systems that were in the aircraft's speed, altitude and direction: The ADIRU (Air Data Inertial Reference Units) and Isis (Integrated System Tools desire). These are the main constituents of fly-by wire system that uses computers rather than cables and hydraulics and mechanics to control the flight of aircraft.

While the helm of the French investigation team of Air France Flight 447 crash over crowd, and probably less likely disaster scenarios - from the effects of stormy conditions, terrorist act - perhaps the most difficult to estimate, it would be possible flight computer malfunction. Air France CEO Pierre-Henri Gourgeon said Monday that shortly before the disappearance AF447, automatic messages sent from the aircraft shows numerous technical deficiencies. "When this information is displayed communications experts have trouble understanding the inevitable result of a breach of the aircraft, or indicators of damage that led to the incident.


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