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The PHASE method, its visual grammar, its documents and the texts on this website are © 2026 J.-G. Charrier · PHASE. All rights reserved.
The demo cases are constructed scenarios or re-readings of public investigation reports, whose source is cited. They illustrate the method; they are neither an investigation nor a judgement on any crew or operator.
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Liability
The content of this website is provided for information about the method. It does not replace an official investigation, an operator’s procedures or professional judgement.