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Bonin had to have known that the plane was in alternate law.

In the flight recorder log, at 2h10m05s, there was an audible "cavalry charge" alarm that indicated to everybody in the cockpit that the autopilot was disconnecting (plus message at the same time on the ECAM).

Then, on the ECAM message console 1 second later, the message "F/CTL ALTN LAW (PROT LOST)" was displayed: alternate law, protection lost. At the same time, Bonin said "I have the controls", which to me indicates that he knew that the autopilot was off and that alternate law was engaged.

References: [1] Page 45, http://www.bea.aero/docspa/2009/f-cp090601e3.en/pdf/f-cp0906... [2] Page 88, Ibid.




Of course Bonin knew that the autopilot was off. I don't think that's the same as being in alternate law.




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