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Air France flight 447 crashed into the Atlantic Ocean in mid-2009 after entering a stall from which the flight crew failed to recover.

13 votes
Accepted

Why did AF447 never return to normal law?

If the system detects anomalies for more than about ten seconds, alternate law becomes locked in for the remainder of the flight. The system detected a change in the median value of the three airspee …
TomMcW's user avatar
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8 votes
Accepted

How much can falling down due to a stall influence the angle of attack?

In AF447 the falling motion most definitely affected the angle of attack. Due to the fact that the pf did keep the stick pulled back for all but the last few seconds of the fall the aircraft was so st …
TomMcW's user avatar
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22 votes

How can a pitot tube freeze when it's heated?

Captain Bill Palmer, in his book "Understanding Air France 447" has a section dedicated to answering that very question as it pertains to AF447. Although there is no way to know for certain he puts fo …
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5 votes

Did AF447 cross dangerous weather?

The pilots did discuss the weather ahead and made some corrections to their course to compensate: 25 minutes before the autopilot disconnected they discussed climbing to a higher altitude, but the …
TomMcW's user avatar
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