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Air France: No hope of survivors in Atlantic

(Agencies)
Updated: 2009-06-04 20:43

A slick that is believed to be from the fuel of Air France flight AF447 is seen from the window of a Brazilian Air Force plane patroling the crash area in the open Atlantic Ocean some 745 miles (1,200 km) northeast of Recife, June 2, 2009. [Agencies]

The pilot sent a manual signal at 11 p.m. local time Sunday saying he was flying through an area of black, electrically charged cumulonimbus clouds that come with violent winds and lightning.

Related readings:  Brazil finds more plane crash debris  Air France jet likely broke apart above ocean  Missing plane flew well beyond range of radar  Debris confirms crash of Air France Flight 447  New Air France debris found, explosion unlikely

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.

Three minutes after that, more automatic messages reported the failure of systems to monitor air speed, altitude and direction. Control of the main flight computer and wing spoilers failed as well.

The last automatic message, at 11:14 p.m., signaled loss of cabin pressure and complete electrical failure -- catastrophic events in a plane that was likely already plunging toward the ocean.

Air France spokesman Nicolas Petteau referred questions about the messages to the French accident investigation agency, BEA, whose spokesman Martine Del Bono said the agency declined to comment. Brazil's defense minister Nelson Jobim also declined to comment.

Other experts agreed that the automatic reports of system failures on the plane strongly suggest it broke up in the air, perhaps due to fierce thunderstorms, turbulence, lightning or a catastrophic combination of events.

"These are telling us the story of the crash. They are not explaining what happened to cause the crash," said Bill Voss, president and CEO of the Flight Safety Foundation in Alexandria, Va.

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