A SAFE LIFE aircraft structural component:
Domanda 90, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| Has Parallel Load Paths. |
| May be used during a declared number of cycles or flight hours. |
| Should have enough strength during the whole lifetime of an aircraft. |
| Is So Strong That It Never Will Fail During A Declared Time Period. |
