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- 48 - Another additional source of information pertaining to causes of unsafe airline flying was an analysis of the critical situations experienced by the Pilots and reported in the pilot interview. All of the 652 incidents from which examples of pilot behavior were re-analyzed for the purpose of extracting all the incidents in which some unsafe condition or a combination of unsafe conditions was a contributing factor in making the situation a critical one. Of the 652 incidents in which pilot behavior was involved, there were 351 incidents (54%) in which some unsafe condition was associated with pilot behavior. The other 46% were incidents which were made critical by the behavior of the pilot alone. A content analysis of these 351 incidents produced a total of 429 unsafe conditions (factors other than the pilot) contributing to the critical situations. These were classified as follows: [[2 columned table]] | |Percentage of Factors| |---|---| |Weather|57%| |Unsafe Condition of the Airplane | 16%| |Unsafe Condition of Airports| 15%| |Traffic Conditions| 9%| |Other | 3%| |TOTAL | 100%| [[/2 columned table]] Table 23 shows the specific unsafe conditions within each of these more general categories. It will be noted that an attempt was made to classify the various unsafe weather conditions in terms of the effects they have, rather than in terms of the various elements of the weather. When an analysis was made of all of the 351 incidents to determine the percentage of incidents in which each kind of unsafe condition was reported, it was found that the effect of weather loomed even larger in comparison with other unsafe conditions. This can be shown as follows: [[2 columned table]] |Unsafe Condition |Percentage of Total Critical Situations in which Each Condition was Reported*| |---|---| |Weather| 70%| |Airplane|19%| |Airport| 18%| |Traffic| 12%| |Other| 3%| [[/2 columned table]] *Total percentage equals more than 100% because more than one unsafe condition could be present in one critical situation.
Transcription Notes:
Reopened!