The Investigation Process Research Resources site
A Pro Bono site with hundreds of resources for Investigation Investigators
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State-of-the-Art of
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investigation process

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Launched Aug 26 1996.


WELCOME to the IPRR site.

Check the Site Guide (above) for an quick overview. L Benner

  Updated through . . . . March 2016

  • The References List section has been significantly expanded with numerous additions from my papers, annotated to indicate the papers' main messages. New works of interest have been added to the on-line section of my archives at my wb site. (2/16)

  • A new paper What do STAMP-based Analysts Expect from Safety Investigations?describes variations in accident investigation reports and other input data challenges that STAMP/CST analysts need to recognize in selecting candidate accidents for analyses, and options for addressing these challenges. It can be viewed at Procedia Engineering, Volume 128, p 93-102 (11/2015

  • A new paper arguing that some legal constructs be purged from safety investigations with the title Is It Time To Purge Legal Constructs From Safety Investigations is posted at the web site, with some comments. (11/15)
  • An article ISASI: 50 Years of Investigations describing the most noteworthy aviation accident investigations since 1964, and the role of investigations can be read in July-September 2014 ISASI Forum, p10-23 (Aug 2015)

  • Thought-provoking Alaska newspaper article for investigators and researchers in the Alaska Dispatch News, 2014 NTSB: 'Inadequate safety management' contributed to fatal trooper helicopter crash, November 5, 2014. Last viewed at (Nov 6 2014)

  • A new paper proposing a shift from a "prevention centric" to a "user centric" accident investigation paradigm is posted in the presentation section at Other proposed changes include replacement of accident causation models with an input/output accident process model, standardization of investigation input data, and standardization of investigation input data integration into an explanatory description of what happened, which could then be analyzed for whatever purposes desired by the analyst. A video and slide presentation are available at that site.(11/2013)

  • An interesting report by European Commission Joint Research Centre -IE (2011) Comparative Analysis of Nuclear Event Investigation Methods, Tools and Techniques, Interim Technical Report, EUR 24757 EN compares around 20 different accident investigation methodologies and methods. (8/2013)

  • See previous News posted here at News Archives .


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