Serial number | Risk factor | Number | Degree centrality |
1 | The flight arrived late | F47 | 0.395833 |
2 | Accidents between aircraft and aircraft | F26 | 0.375 |
3 | Accidents between aircraft and vehicle | F25 | 0.375 |
4 | Fire in airport | F11 | 0.333334 |
5 | Visual aid facilities failure | F20 | 0.333333 |