Table 8. Accidents or sub-accidents(I) event

순위	FOQA event list	평균
1	Rejected takeoff at high speed	4.20
2	Descend below MDA, hard landing	4.12
3	Hard landing	4.00
4	Engine failure	4.40
5	TCAS advisory	3.85
6	Low fuel at landing	4.27
7	Overweight landing	3.77
전체 평균		4.08