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Report - European Aviation Safety Agency - Europa

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❯ ❯<br />

The highest level of Standard Problem Statements, level 1, only<br />

provides information on a general level. To better understand<br />

what kind of factors played a role in the accident dataset one<br />

must look at a deeper level in the taxonomy. Looking at the<br />

level 2 Standard Problem Statements, it becomes clearer that<br />

the main factors identifi ed involve issues in the human factors<br />

domain. Pilot’s decision-making, mission planning and<br />

external environment awareness are the three most relevant<br />

factors, identifi ed in respectively 31 %, 29 % and 25 %<br />

of the accidents in the dataset (see Figure 15).<br />

Because most of the identifi ed factors lie within the<br />

human factors domain, EHSAT adopted a second<br />

model and taxonomy for factor identifi cation to better<br />

address these human factors. Results will be presented<br />

in Section 6.2.2 below.<br />

22<br />

SPS category – level 2<br />

Human Factors – Pilot’s decision<br />

Mission planning<br />

External Environment awareness<br />

Flight profi le unsafe<br />

Landing procedures<br />

Inadequate Pilot experience<br />

Mission risk – Terrain/Obstacles<br />

Procedure implementation<br />

Visibility/Weather<br />

Human Factors – Other<br />

Percentage of accidents in wich SPS Category (level 2)<br />

was identifi ed at least once<br />

16<br />

16<br />

15<br />

0 5 10 15 20 25 30 35<br />

Percentage %<br />

20<br />

19<br />

18<br />

Figure 15 — Top 10 second-level Standard Problem Statement results in percentage of total number of accidents in dataset<br />

(excluding factors related to data issues)<br />

22<br />

25<br />

29<br />

31

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