More From Air France 447

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Broomstick
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More From Air France 447

Post by Broomstick »

Apparently there's a book out now and a release of the cockpit voice recorder transcript. It's not exactly flattering. From CNN, emphasis added:
London (CNN) -- Harrowing new details have emerged from the last moments of Air France Flight 447 which crashed into the Atlantic in June 2009, killing all 228 passengers and crew.

New extracts from the cockpit voice recorder reveal that three seconds before impact, one of the crew exclaimed: "Damn it, we're going to crash, this can't be true!"

Data from the flight recorders that were recovered after nearly two years on the sea bed previously revealed clues about why the plane crashed on its way to France from Brazil.

France's Bureau of Investigation and Analysis, the BEA, has said the crisis began after problems arose with the Airbus A330's devices that measure its speed, and disconnection of the autopilot. It also said the recorders revealed that the pilots failed to discuss repeated stall warnings.

But in a new book called "Erreurs de Pilotage" (Pilot Error) by aeronautics expert Jean Pierre Otelli, fresh material from the last two minutes of the flight as captured by the cockpit voice recorder reveals the panic-stricken conversations of the confused pilots.

The plane plunged 38,000 feet in just three minutes and 30 seconds but the recording -- as reported in the book -- illustrates that the crew didn't understand why the plane was not responding.

In one extract, a co-pilot says: "Climb, climb, climb." But his colleague answers: "But I've been pulling back on the stick for a while now."

In a computer-generated voice, the plane's warning system keeps repeating the word "Stall!"

The captain warns: "Watch out, you are pulling up." A co-pilot replies: "Am I pulling up?"

The BEA has strongly condemned the disclosure of the transcript, which it says is a violation of European regulations and shows a lack of respect for the late crew members.

"Any attempt at interpretation at this stage is partial and, as a result, can only fan the flames of the controversies of the last few months, which is harmful to all concerned," it said in a statement.

Air France has also reacted to what it calls "sensationalized and unverifiable information," which it says "impairs the memory of the crew and passengers who lost their lives."

CNN's aviation correspondent Richard Quest says the material gives a "dramatic insight into what was happening" but adds that it doesn't add anything new to the ongoing investigation.

He also says the inquiry poses questions about how difficult modern airliners are to fly in extreme situations.

The Air France statement says further work is necessary on what it calls the "delicate issue of human-machine interface."

The BEA has already issued 10 new safety recommendations, including ensuring extra training for pilots on manual handling of a high-altitude stall, and says new safety recommendations will be issued in the final report on the accident, due to be published in June next year.
Well, basically, some of this isn't news - as I said in a prior thread the pilots were suffering from a lack of information. This just makes it... more graphic.

I'm not aware of any national regulations forbidding cockpit transcripts from being made public. The US forbids the recordings from being aired, maybe France includes the transcripts, too? Anyhow, it's clear this is not flattering to the pilots (though if their instruments had failed there really is no training that would allow them to survive that situation) and not flattering to Air France.
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Re: More From Air France 447

Post by Kanastrous »

I don't think it's hair-splitting to suggest that the flight crew didn't suffer from a lack of information - they weren't flying instruments-out, and had voice cues being thrown at them every so often - as from a lack of situational awareness due to having failed to assimilate that information (admittedly reduced information, compared to what's optimal, apparently most likely thanks to the pitot-icing problems).

Given that Gallic pride is triply involved - a French-built aircraft operated by the French national-flag carrier, by a French flight crew - it doesn't surprise me that there's howling over any of this having been publicized.
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Re: More From Air France 447

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Kanastrous wrote:I don't think it's hair-splitting to suggest that the flight crew didn't suffer from a lack of information - they weren't flying instruments-out, and had voice cues being thrown at them every so often - as from a lack of situational awareness due to having failed to assimilate that information (admittedly reduced information, compared to what's optimal, apparently most likely thanks to the pitot-icing problems).
I think most people fail to appreciate just how difficult and hazardous "partial-panel" flight is in night-time storm conditions, in part because no one who does know particularly wants to advertise the hazard. Beyond that, though, the flight data recorder combined with the voice recorder shows that not only were some instruments simply not reporting, some of the redundant systems were reporting different numbers, with no way to know which ones were correct. It wasn't just missing information, it also involved contradictory information.
Given that Gallic pride is triply involved - a French-built aircraft operated by the French national-flag carrier, by a French flight crew - it doesn't surprise me that there's howling over any of this having been publicized.
Quite true.
A life is like a garden. Perfect moments can be had, but not preserved, except in memory. Leonard Nimoy.

Now I did a job. I got nothing but trouble since I did it, not to mention more than a few unkind words as regard to my character so let me make this abundantly clear. I do the job. And then I get paid.- Malcolm Reynolds, Captain of Serenity, which sums up my feelings regarding the lawsuit discussed here.

If a free society cannot help the many who are poor, it cannot save the few who are rich. - John F. Kennedy

Sam Vimes Theory of Economic Injustice
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