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Contributing Factors in Incidents
In the six months to June 2007, there were 983 contributing factors recorded in 765 incidents. This represents 1.28 contributing factors per incident. An error of judgment made up the largest category, with 15% of all contributing factors. This was followed by the wind/sea state and inexperience, making up 15% and 7% respectively of all contributing factors. The top ten contributing factors in incidents are shown in the table below:
Rank |
Contributing Factor |
Records |
% of Total |
1 |
Error of Judgment |
149 |
15.2 |
2 |
Wind/sea state |
143 |
14.5 |
3 |
Other human factor |
88 |
9.0 |
4 |
Other environmental factor |
81 |
8.2 |
5 |
Other material factor |
78 |
7.9 |
6 |
Inexperience |
68 |
6.9 |
7 |
Navigational error |
57 |
5.8 |
8 |
Failure to keep a proper lookout |
49 |
5.0 |
9 |
Equipment – Machinery |
47 |
4.8 |
10 |
Floating or submerged object |
31 |
3.2 |
Human factors continue to dominate in incidents when compared to the two years 2005 and 2006, representing 47% of all contributing factors. This is followed by environmental factors and material factors, representing 34% and 19% respectively of all contributing factors.