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Post-Challenger Evaluation of Space Shuttle Risk Assessment and Management (1988) / Chapter Skim
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4 Risk Assessment and Risk Management: The Committee's View
Pages 33-39

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From page 33...
... Risk assessment is or shouIcl be a staff function, the results of which are proviclect as input to management. Risk management, on the other hand (the third element above)
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From page 34...
... Risk management is viewed as a formal process involving the establishment, assessment, and control of risk to precletermined acceptable levels. Figure 4-1 illustrates a generic type of program planning and tracking chart that is used in risk management by the USAF.
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From page 35...
... ye an .
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From page 36...
... However, many quantitative engineering analyses and test data relevant to risk assessment are available anct often are used in arriving at what are finally qualitative subjective judgements. With such a non-specific (i.e., nonvalue based)
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From page 37...
... The risk management process is said to be characterized by top-down direction and control, with "bottom-up" response and accountability from the staff organizations and line management at the NASA centers. The process of risk assessment and management is described as one of "independent but integrated participation" by Program management, design/development (project engineering)
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From page 38...
... JO O ~ ~9 LL (9 O Z Lll Lt O ~ ~ Cl E c: ~ ~ m i~ ~ z 0 ~ O ~ ~ 7 O ~ z I CJ)
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From page 39...
... with controlling the risks to the levels assessed have been carried out and clocumentecI. Safety organizations cannot, however, assure safe operation; they can only assure that the safety risks have been evaluates!
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Key Terms

  • line management
  • safety risks
  • nsts program
  • retention rationale
  • hazard analysis

  • management program
  • safety organizations
  • risk levels
  • management process
  • failure mocles

  • potential failure
  • staff organizations
  • effective risk
  • third element
  • analysis process

  • approval authority
  • nasa risk
  • nasa centers
  • hazard analyses
  • critical items

  • nasa line
  • quantitative methodology
  • data gathering
  • acceptable levels
  • mission operations

  • nasa clocuments
  • basic staff
  • functions provide
  • personnel capability
  • effects analyses


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