National Marine Safety Committee

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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.

Copyright 2005 Project Seven Development