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Highly Optimised Tolerance – From 707 to 777
If the theory of Highly Optimised Tolerance (HOT) theory holds true then we should be able to see a change in the distribution of the severity of adverse events as the design paradigm for a family of...
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Integrated Vulnerability and QF72
A330 Right hand AoA probes (Image source: ATSB) I’ve just finished reading the ATSB’s second interim report on the the QF 72 in flight upset that resulted in two uncommaned pitch over events (1). In...
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The Airbus Aircraft Family & System Safety
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...
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The QF72 A330 Accident – Send Lawyers, Guns & Money*
The fallout from the QF 72 in flight accident has now reached the courts with Australian Aviation reporting that passengers and crew have taken up a joint class action against Airbus and Northrop...
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Averages, Voting and System Robustness
The QF 72 accident illustrates the significant effects that 'small field' decisions can have on overall system safety.
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