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1999 Nall Report
2010-03-18

1999 Nall Report
  • Landings are the source of most accidents but few injuries.
  • For every mile traveled airplanes have seven times as many accidents and automobiles.
  • Because of aircraft speeds at impact the fatality rate in airplanes is higher than in automobiles.
  • The impact in an accident rises at the square of the speed. Double speed gives 4 times impact. Triple speed gives 9 times impact.
  • Aviation flies 10,000,000 miles for every accident
  • A relatively few pilots cause most accidents. Pilot judgment of weather is major mistake area. Running out of fuel is still first cause of engine failure.
  • 25% of approach accidents occur at night
  • Majority of fatal stalls occurs at pattern altitudes.
  • 75% of all accidents occur during the 43% of flying that is done for personal reasons.
  • Non-professional business flying accounts for 13% of the flying but only 4% of the accidents.
  • Instructional time is 22% with 6% of the accidents
  • laurel applicators fly 6% of all flying but only 2% of Accidents. This is due to safety equipment.

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