Fig. 1.
Three-level model for determining control actions in the Human Factor Control System (HFCS). CA: Control Actions level; CI: Complex (probabilistic) Indicators level; SF: Recorded Specific Factors of “non-conformance” in staff activity.
Table 1:
Percentage distribution of non-conformance in the activities of technical personnel.
| F1 | F2 | F3 | F4 | F5 |
|---|---|---|---|---|
| 21.5% | 16.2% | 22.9% | 25.1% | 14.3% |
Table 2:
Complex indicators Kij included in the generalized factor F1.
| K11 | Violations and erroneous actions during aircraft maintenance procedures |
| K12 | Allowing personnel to work without the necessary training |
| K13 | Use of non-certified tools by personnel |
| K14 | Performance of work by personnel without appropriate authorization (not specified in licenses) |
| K15 | Releasing an aircraft for operation with malfunctions not listed in the relevant documents (MMEL and MEL) |