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Developing Improved Civil Aircraft Arresting Systems (2009) / Chapter Skim
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Appendix E - Human Injury Study
Pages 181-183

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From page 181...
... E.1. Range of Human Tolerance to Deceleration To obtain an evaluation criterion based on human tolerance levels, reports from ejection seat tests, airplane deceleration tests, and aeronautical accident reconstructions were reviewed.
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From page 182...
... 16 0.090 FAA Std for Peak Floor Deceleration (52) 15 -- Suggested Human Tolerance Limit (57)
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From page 183...
... For deceleration durations less than 1 second, the proposed injury threshold is 9 g to reduce the risk of incapacitation or injury due to rapid displacement of body fluids and head impacts to interior structures within the cabin, respectively. For the analysis of airplane deceleration between one and three seconds, the peak acceptable deceleration proposed is 6 g.
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Key Terms

  • human tolerance
  • body fluids
  • injury threshold
  • rapid displacement
  • deceleration pulse

  • injury criterion
  • deceleration exposure
  • body regions
  • peak deceleration
  • acceptable deceleration

  • striking objects
  • traumatic brain
  • primarily determined
  • peak acceptable
  • floor deceleration

  • objects inside
  • extricate themselves
  • deceleration forces
  • faa std
  • tolerance limit

  • peak floor
  • brain injuries
  • unrestrained body
  • impact duration
  • durations anticipated

  • force acting
  • ejection seats
  • results suggested
  • muscle strains
  • aeronautical accident


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