Factor

Assessment Criterion

Frequency

Quality Weight

Type of incidence

Operational error

23

0.40

Operational deviation

18

0.32

Others

16

0.28

Flight profile

Departure

13

0.31

Touching down

1

0.02

Making the approach

7

0.17

Level flight

2

0.05

Taxiing

1

0.02

Take off

3

0.07

Landing

3

0.07

Climbing

6

0.14

Holding in position

9

0.21

Position function

Radar

13

0.33

Flight data

1

0.03

Clearance delivery

6

0.15

Ground control

5

0.13

Departure position

7

0.18

Arrival position

7

0.18

Training

Training 12 months before incidence (Yes)

17

0.45

Training 12 months before incidence (No)

21

0.55

Cause of incidence

Equipment

22

0.58

Non-equipment

16

0.42

Type of control

Radar

15

0.39

Tower

17

0.45

Non-radar

6

0.16

Traffic Complexity

Low

23

0.61

Average

11

0.29

High

4

0.11