LEVEL | DESCRIPTOR | SEVERITY DESCRIPTION* |
1 | Insignificant | No significance to aircraft related operational safety. |
2 | Minor | Degrade or affect normal aircraft operational procedures or performances. |
3 | Moderate | Partial loss of significant/major aircraft system or result in abnormal F/Ops procedure application. |
4 | Major | Complete failure of significant/major aircraft system or result in emergency F/Ops procedure application. |
5 | Catastrophic | Loss of aircraft or lives. |