Archives For AF 447

How do we  give meaning to experience in the midst of crisis?

Instead people strive to create a view of it by establishing a common framework into which events can be fitted to makes sense of the world, what Weick (1993) calls a process of sensemaking. And what is true for individuals is also true for the organisations they make up. In return people also use an organisation to make sense of what’s going on, especially in situations of uncertainty, ambiguity or contradiction.

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Airbuses side stick improves crew comfort and control, but is there a hidden cost?

The Airbus FBW side stick flight control has vastly improved the comfort of aircrew flying the Airbus fleet, much as the original Airbus designers predicted (Corps, 188). But the implementation also expresses the Airbus approach to flight control laws and that companies implicit assumption about the way in which humans interact with automation and each other. Here the record is more problematic.

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Thinking about the unintentional and contra-indicating stall warning signal of AF 447 I was struck by the common themes between AF 447 and the Titanic. In both the design teams designed a vehicle compliant to the regulations of the day. But in both cases an implicit design assumption as to how the system would be operated was invalidated.

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The BEA third interim report on the AF 447 accident raises questions

So I’ve read the BEA report from one end to the other and overall it’s a solid and creditable effort. The report will probably disappoint those who are looking for a smoking gun, once again we see a system accident in which the outcome is derived from a complex interaction of system, environment, circumstance and human behavior.

However I do consider that the conclusions, and therefore recommendations, are hasty and incomplete.

This post is part of the Airbus aircraft family and system safety thread.

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The BEA has released a precis of the data contained on AF447′s Flight Data Recorder and we can know look into the cockpit of AF447 in those last terrifying minutes.

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Retrieval of the data recorders heralds the end of the beginning for the AF 447 accident investigation, rather that the beiginning of the end…

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Over the last couple of months I’ve posted on various incidents involving the Airbus A330 aircraft from the perspective of system safety. As these posts are scattered through my blog I thought I’d pull them together, the earliest post is at the bottom.

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