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What is a near miss incident in manufacturing?

~3 min read Health and safety

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Definition

A near miss incident is an unplanned event that had the potential to cause injury, illness or damage but did not, separated from a real accident only by chance or timing. Reporting near misses lets safety teams remove the hazard before it causes a serious incident.

A near miss is also called a close call, a near hit or a good catch. In safety management it is treated as a leading indicator: a free warning that a hazard exists before anyone is harmed.

1How does near miss reporting work?

Near miss reporting captures events that almost caused harm so the underlying hazard can be removed. The process is usually anonymous and blame-free, to encourage workers to report without fear of being held responsible. A typical workflow runs through four steps:

  1. Report. A worker logs the close call as soon as it happens, describing what occurred, the location and the hazard involved.
  2. Investigate. The safety team examines the event and runs root cause analysis to find why the hazard existed in the first place.
  3. Correct. Controls are put in place to remove or reduce the hazard, working down the hierarchy of controls from elimination to protective equipment.
  4. Verify. The team confirms the control worked and the hazard no longer recurs, then shares the lesson across the site.

The discipline of near miss reporting is acting on the warning. A close call that is logged but never investigated offers no protection at all.

2Why do near misses matter for manufacturing?

Near misses are lessons that cost nothing. Each one exposes a hazard that has not yet hurt anyone, so acting on it prevents a future accident at no human cost. The safety triangle, based on Herbert Heinrich’s 1931 study, proposed a ratio of one serious injury to 29 minor injuries to 300 near misses. That is why a high near miss reporting rate is read as a sign of a healthy safety culture, not a failing one. ISO 45001:2018 defines an incident to include events that caused no injury, so near misses fall squarely within its requirement to investigate and act on what occurred.

3Near miss vs accident: what is the difference?

A near miss and an accident often begin from the same hazardous event. The only difference is the outcome: in a near miss, chance or timing prevented harm, while an accident caused injury, illness or damage. Investigating the hazard rather than the outcome, and treating both the same way, is the core of proactive safety.

Near miss No harm

The hazard was present and the event happened, but injury or damage was avoided by chance or quick action. It is a warning to act on before the next time, when luck may not hold.

Accident Harm done

The same hazard, but this time it caused injury, illness, environmental harm or equipment damage. The cost is real and the investigation now happens after the fact rather than before it.

References

  1. Occupational Safety and Health Administration, Near Miss Reporting Policy and report form template. osha.gov
  2. National Safety Council, Near Miss Reporting. nsc.org/workplace/safety-topics/near-miss
  3. International Organization for Standardization, ISO 45001:2018 Occupational health and safety management systems. iso.org/standard/63787.html
  4. Heinrich, H. W., Industrial Accident Prevention: A Scientific Approach, McGraw-Hill, 1931. The origin of the one to 29 to 300 accident ratio.