| 1 | Loss of control inflight(LOC) |
| 2 | Controlled flight into terrain(CFIT) |
| 3 | System component failure powerplant(SCF-PP) |
| 4 | Fuel related(FUEL) |
| 5 | Unknown or undetermined |
| 6 | System component failure non powerplant(SCF-NP) |
| 7 | Unintended flight in IMC(UIMC) |
| 8 | Midair collisions(MAC) |
| 9 | Low-Altitude operations(LALT) |
| 10 | Other |