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Air France jet likely broke apart above ocean
(Agencies)
Updated: 2009-06-04 10:05
FERNANDO DE NORONHA, Brazil – Military planes located new debris from Air France Flight 447 Wednesday while investigators focused on a nightmarish ordeal in which the jetliner broke up over the Atlantic as it flew through a violent storm. Heavy weather delayed until next week the arrival of deep-water submersibles considered key to finding the black box voice and data recorders that will help answer the question of what happened to the airliner, which disappeared Sunday with 228 people on board. But even with the equipment, the lead French investigator questioned whether the recorders would ever be found in such a deep and rugged part of the ocean. As the first Brazilian military ships neared the search area, investigators were relying heavily on the plane's automated messages to help reconstruct what happened to the jet as it flew through towering thunderstorms. They detail a series of failures that end with its systems shutting down, suggesting the plane broke apart in the sky, according to an aviation industry official with knowledge of the investigation, who spoke on condition of anonymity because he was not authorized to discuss the crash. The pilot sent a manual signal at 11 p.m. local time saying he was flying through an area of "CBs" — black, electrically charged cumulonimbus clouds that come with violent winds and lightning. Satellite data has shown that towering thunderheads were sending 100 mph (160 kph) updraft winds into the jet's flight path at the time. Ten minutes later, a cascade of problems began: Automatic messages indicate the autopilot had disengaged, a key computer system switched to alternative power, and controls needed to keep the plane stable had been damaged. An alarm sounded indicating the deterioration of flight systems. |
