Walk the Deicing Bowtie
Use bowtie analysis to choose preventive and recovery barriers for a deicing risk scenario.
Winter ops Snow restarts after deicing. Door closure, push sequence, and holdover time are now connected decisions. The risk is not snow by itself; it is losing contamination control while the operation still behaves as if the aircraft is ready. Bowtie Threats -> top event -> consequences, protected by barriers A bowtie makes the path visible. The left side asks what could cause loss of control. The right side asks what happens if control is lost. The center asks which barriers must hold. Shortcut Treat deicing complete as the finish line. The team manages the risk path, not just the…
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