Ron C. McKinnon 
Safety Management [PDF ebook] 
Near Miss Identification, Recognition, and Investigation

Close calls, narrow escapes, or near hits. History has shown repeatedly that these ‘near-miss’ incidents often precede loss producing events, but are largely ignored or go unreported because nothing (no injury, damage or loss) happened. Thus, many opportunities to prevent the accidents that the organization has not yet had are lost. Recognizing and