Incident 3: Crashes with Maneuvering Characteristics Augmentation System (MCAS)

Description: A Boeing 737 crashed into the sea, killing 189 people, after faulty sensor data caused an automated manuevering system to repeatedly push the plane's nose downward.


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Alleged: Boeing developed and deployed an AI system, which harmed Airplane Passengers and Airplane Crew.

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Sean McGregor


A "variant" is an incident that shares the same causative factors, produces similar harms, and involves the same intelligent systems as a known AI incident. Rather than index variants as entirely separate incidents, we list variations of incidents under the first similar incident submitted to the database. Unlike other submission types to the incident database, variants are not required to have reporting in evidence external to the Incident Database. Learn more from the research paper.

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