[科技报告]PB  116

摘要: The report contains the Briefs of Accidents involving Rotorcraft occurring in 1968. There were 252accidents involving Rotorcraft out of a total of 4,968General Aviation accidents in 1968. The total accident rate is 40.84and the fa... 展开

翻译摘要
原报告号 PB191053 总页数 116
报告类别/文献类型 PB / NTIS科技报告
关键词 civil aviation   aviation accidents   aviation accidents   statistical analysis   helicopters   aviation accidentsmortality rates   crash injuries   air traffic   commercial planes   pilots   statistical data