Differences in usage among aircraft types distort conventional accident rates; scheme is presented for separate (intrinsic) accident rates in takeoff, cruise, and landing and applied to United States air carrier accidents for 1961-1964; comparisons are made among jets, pistons, turboprops, and helicopters; intrinsic rates show that for winged aircraft, all have same cruise risk when expressed per cruise-mile; for jets, cruise risk is negligible compared with landing risk; jets are twice as dangerous in takeoff and landing as pistons or turboprops; jets' cruise risk decreased 40% during 1961-1964, but jets' dominant risks of landing and takeoff are increasing since 1962; airsafety trends should be analyzed by method proposed.
New approach to air safety statistics
J Aircraft
Journal of Aircraft ; 4 , n 4
1967
9 pages
Aufsatz (Zeitschrift)
Englisch
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New approach to air safety statistics.
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