Category: Protocol Mismatch
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CI-1999-MCO: The Mars Climate Orbiter
Note: this is an archival case backdated to its creation. Upon the update of the methodology the case is undergoing active updates. Date: Jan 22, 2026 By: Jiarui Liu Category: Category I: Commensurable Mismatch (Intra-Paradigm) Tags: Aerospace Engineering, Software Interface, Metrology, Silent Translation Failure Case ID: CI-1999-MCO Abstract & Summary On September 23, 1999, NASA lost the $327.6 million Mars…
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Case CI-1983-AC143: The Air Canada “Glider” Incident
Date: Jan 14, 2026By: Jiarui LiuCategory: Category I: Commensurable Mismatch (Intra-Paradigm)Tags: Aerospace Engineering, Metrology, Infrastructure Mismatch, Silent Translation Failure Case ID: CI-1983-AC143 Abstract & Summary During Canada’s transition to the metric system, a manual unit translation error led an Air Canada Boeing 767 to depart with less than half its required fuel. The aircraft suffered dual-engine flameout at 41,000 feet…
