| Personnel issues › Task performance | 759Personnel issues › Task performance: 759 occurrences, 47.8% of occurrences with cause findings. 151 were fatal. The bar is scaled to the largest row. | 47.8% | 151 | 223 |
| Aircraft › Aircraft oper/perf/capability | 712Aircraft › Aircraft oper/perf/capability: 712 occurrences, 44.9% of occurrences with cause findings. 153 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 44.9% | 153 | 231 |
| Personnel issues › Action/decision | 461Personnel issues › Action/decision: 461 occurrences, 29.0% of occurrences with cause findings. 98 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 29.0% | 98 | 163 |
| Aircraft › Aircraft systems | 187Aircraft › Aircraft systems: 187 occurrences, 11.8% of occurrences with cause findings. 12 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 11.8% | 12 | 17 |
| Not determined › Not determined | 163Not determined › Not determined: 163 occurrences, 10.3% of occurrences with cause findings. 35 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 10.3% | 35 | 52 |
| Environmental issues › Conditions/weather/phenomena | 143Environmental issues › Conditions/weather/phenomena: 143 occurrences, 9.0% of occurrences with cause findings. 29 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 9.0% | 29 | 43 |
| Aircraft › Aircraft power plant | 135Aircraft › Aircraft power plant: 135 occurrences, 8.5% of occurrences with cause findings. 12 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 8.5% | 12 | 17 |
| Aircraft › Fluids/miscellaneous hardware | 117Aircraft › Fluids/miscellaneous hardware: 117 occurrences, 7.4% of occurrences with cause findings. 11 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 7.4% | 11 | 14 |
| Personnel issues › Psychological | 97Personnel issues › Psychological: 97 occurrences, 6.1% of occurrences with cause findings. 32 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 6.1% | 32 | 53 |
| Environmental issues › Physical environment | 58Environmental issues › Physical environment: 58 occurrences, 3.7% of occurrences with cause findings. 7 were fatal. The bar is scaled to the largest row (Personnel issues › Task performance, 759). | 3.7% | 7 | 10 |