Human error has been cited as a primary cause contributing factor in disasters and accidents in industries as diverse as nuclear power ( e.g. , the Three Mile Island accident ) , aviation ( see pilot error ) , space exploration ( e.g. , the Space Shuttle Challenger Disaster and Space Shuttle Columbia disaster ) , and medicine ( see medical error ) . Prevention of human error is generally seen as a major contributor to reliability and safety of ( complex ) systems . Human error is one of the many contributing causes of risk events
Three Mile Island accident
Three Mile Island accident
Human error