|
|
| CAUSE OF ACCIDENT | INCIDENTS 1992 | ACCIDENTS PER 1,000 MI/YR | PERCENTAGE OF TOTAL ACCIDENTS |
|
|
|||
| Operational Error | 101 | 0.596 | 45.3 |
| External and Internal Corrosion | 45 | 0.265 | 20.2 |
| Outside Force | 41 | 0.242 | 18.4 |
| Material Construction Defects | 36 | 0.212 | 16.1 |
| TOTAL CAUSES | 223 | 1.315 |
100.0 |