An unplanned event that could have led to injury, quality failure, or loss, but did not, often used as a leading indicator of risk.
A **near-miss** is an unplanned event or condition that had the potential to cause harm, loss, or other adverse outcomes, but did not actually result in injury, damage, nonconforming product, or reportable incident.
In industrial and manufacturing environments, this commonly refers to situations where:
– A hazardous condition was present and almost led to a safety incident
– A process deviation nearly produced nonconforming product
– An equipment or system failure was narrowly avoided before causing downtime or quality impact
Near-misses are treated as early warning signals that a hazard, weakness, or control gap exists in the system.
In operations and manufacturing systems, near-miss reporting and analysis is typically integrated into:
– **EHS and safety programs**: Near-misses related to worker safety, machine guarding, lockout/tagout, chemical handling, or ergonomics.
– **Quality management systems (QMS)**: Near-misses related to out-of-spec parameters, incorrect materials, or documentation errors that were caught before product release.
– **Maintenance and reliability workflows**: Near-misses indicating potential equipment failures, such as overheated components, atypical vibration, or control system faults that auto-recovered.
– **OT/IT and MES environments**: Events such as incorrect recipe selection, mis-scanned material, or unauthorized parameter changes that were detected by system controls before affecting production.
Near-misses are often logged in event management or deviation systems, reviewed in risk or safety meetings, and used as input for root cause analysis and corrective or preventive actions.
A near-miss:
– **Does include** events where no actual harm or nonconforming output occurred, but where credible potential existed.
– **Does not require** physical injury, environmental release, or confirmed defective product.
– **Does not include** routine process variation that remains within defined limits and poses no credible risk.
– **Does not include** purely hypothetical scenarios with no triggering event (those are typically handled in risk assessments, not near-miss logs).
Near-misses may still involve minor consequences such as short pauses, alarms, or temporary rework, as long as the primary adverse outcome (e.g., injury, major nonconformance, or significant loss) did not occur.
In digital operations and manufacturing systems, near-misses may be:
– Captured as **event records** in EHS, QMS, or incident management tools
– Linked to **equipment, batches, work orders, or locations** in MES or ERP
– Categorized by **risk type**, **root cause**, or **process area**
– Analyzed as **leading indicators** in dashboards and operations intelligence tools
Some organizations use standard fields such as severity potential, likelihood, and classification (safety, quality, environmental, cybersecurity, etc.) to support structured analysis.
Near-miss is sometimes confused with related terms:
– **Incident**: An event where harm, damage, or nonconforming output actually occurred. A near-miss stops short of that outcome.
– **Hazard**: A source of potential harm that may exist independent of any particular event. A near-miss involves an event or situation in which the hazard nearly produced an adverse outcome.
– **Risk**: The combination of the probability and consequence of an event. Near-misses are real-world occurrences that inform risk assessment but are not themselves risk ratings.
In some safety literature, the term **”near-hit”** is used instead of near-miss, but the operational meaning is the same.
Near-miss information is frequently used as input to:
– Problem-solving methods (e.g., 5 Whys, fishbone diagrams) to understand underlying causes
– Risk reviews in quality or safety committees
– Changes to procedures, training, or control strategies
Because near-misses occur more frequently than actual incidents, they are commonly treated as important signals when monitoring the effectiveness of controls in manufacturing and other industrial operations.