What is Fault Tree Analysis (FTA)?

Risk

Fault Tree AnalysisFTA

A top-down, deductive failure analysis using Boolean logic to map causes.

Starting from a defined undesired event (the "top event"), FTA traces backward through AND/OR logic gates to identify combinations of basic events (equipment failures, human errors) that could cause it. Used in process safety, aerospace, and nuclear contexts. Complements FMEA, which works bottom-up.

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Fault Tree Analysis (FTA) · Glossary · QEHS — QEHS