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The Bureau of Transportation Statistics Priorities for the Future (1997) / Chapter Skim
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D IMPROVING NATIONAL TRANSPORTATION STATISTICS: AIRLINE SAFETY AS A CASE STUDY
Pages 126-130

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From page 126...
... Although bringing together a large amount of data in a convenient form, the usefulness of the NTS reports as reference documents is affected by the scarcity of explanatory notes, including those that would describe important changes in definitions of variables across time (see Chapter 3~. Also lacking are explanations that would help users understand the extent to which it is appropriate to compare data series on particular topics across transportation modes.
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From page 127...
... REVIEW OF 1996 NTS AIRLINE SAFETY STATISTICS: COMMENTARY Air Carrier Profile The profile section provides numbers of accidents, fatal accidents, and fatalities for scheduled and nonscheduled airlines operating under 14 CFR 121 and for scheduled commuter airlines and nonscheduled on-demand air taxis operating under 14 CFR 35. (CFR, which stands for the Code of Federal Regulations, is nowhere defined.)
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From page 128...
... air carriers, commuter air carriers, and ondemand air taxis match the data in the profile; however, the Table 28 definition of air carriers is "large" carriers operating under 14 CFR 121, which implies something different from all carriers operating under that set of regulations. Citations are provided in a separate section; no information is provided about any of the major data sources or how they might compare across transportation modes.
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From page 129...
... Table 36 Commuter Air Carrier Accidents, Fatalities, Injuries, and Accident Rates Table 36 provides accident and fatal accident rates per million aircraft-miles flown and per 100,000 departures. No rates are given for fatalities, and no graphs are shown.
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From page 130...
... If possible, it would be useful to provide graphs that compare accident and fatality rates for general aviation with the other aviation modes.
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Key Terms

  • air carriers
  • fatality rates
  • fatal accident
  • air carrier
  • commuter air

  • air taxis
  • airline safety
  • transportation modes
  • miles flown
  • aviation modes

  • nts reports
  • serious injuries
  • provides accident
  • nts airline
  • motor vehicle

  • aircraft miles
  • transportation statistics
  • carriers operating
  • carrier accidents
  • vehicle traffic

  • compare accident
  • commuter airlines
  • common basis
  • fatal accidents
  • data series

  • help users
  • nonscheduled airlines
  • data exist
  • compare data
  • aircraft hours


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