This is an good article.
Wikileaks tell more at the link near the bottom of the post.
Check it out:
Air France flight 447, an Airbus A330-300, crashed into the Atlantic ocean on June 1, 2009. The cause of the crash is not yet known.....Air France'(s) Techical Note 34-029.... has been circulating in the pilot community since the 22nd of June...In a nutshell, these reports are caused by unreliable anemometric data provided by the aircraft's pitot-probes. While they do not offer a conclusion for the accident, they appear to be central to the event....the probes were acknowledged as having shortcomings - 7 incidents are documented in the Technical Note of previous flights encountering unreliable anemometric discrepencies
It appears that Air France, Airbus, EASA and the BEA have downplayed this matter and have, instead, focused attention on meteorological conditions
Unfortunately, AirFrance was too late in making a better decision and ultimately, waited until an aircraft of thiers had to crash.
Here's the link for further information and readings:
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