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Marine Safety in Victoria Report 2007-2008 (PDF, 1.3 MB, 72 pp.)

Marine Safety in Victoria Report 2007-2008 (PDF, 1.3 MB, 72 pp.)

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3.3.6 Waterway type, location and environmental conditions<br />

Most commercial ‘serious <strong>in</strong>cidents’ occurred <strong>in</strong> enclosed waters (61%), followed by <strong>in</strong>land waters (26%)<br />

and coastal offshore waters (10%). Thirty-three <strong>in</strong>cidents (37%) occurred on Port Phillip Bay, 22 occurred<br />

on the Yarra River (24%), 10 on Corio Bay (11%), 10 <strong>in</strong> Bass Strait (11%), 9 on the Gi<strong>pp</strong>sland Lakes (10%), 3 on<br />

Western Port (3%) and one each on the Maribyrnong River and Lake Nagambie (2%). The location was not<br />

recorded for one case.<br />

Table 3 summarises the weather and water conditions <strong>in</strong> which ‘serious <strong>in</strong>cidents’ occurred. Water and<br />

environmental conditions were not reported for between 30% and 40% of <strong>in</strong>cidents. Around half of<br />

‘serious <strong>in</strong>cidents’ occurred <strong>in</strong> clear weather, with good visibility and w<strong>in</strong>d speeds up to 15 knots and 40%<br />

occurred <strong>in</strong> calm waters.<br />

Table 3<br />

Commercial ‘serious <strong>in</strong>cidents’ by environmental conditions, <strong>Mar<strong>in</strong>e</strong><br />

Incident <strong>Report</strong><strong>in</strong>g system, <strong>2007</strong>/8<br />

N %<br />

Weather<br />

clear 48 53<br />

hazy 3 3<br />

cloudy 7 8<br />

ra<strong>in</strong> 2 2<br />

undef<strong>in</strong>ed/unknown 30 33<br />

Water conditions<br />

calm 35 39<br />

cho<strong>pp</strong>y 10 11<br />

rough/very rough 5 5<br />

strong current 1 1<br />

undef<strong>in</strong>ed/unknown 39 43<br />

Visibility<br />

good 46 51<br />

fair 6 7<br />

poor 5 6<br />

undef<strong>in</strong>ed/unknown 33 37<br />

W<strong>in</strong>d speed<br />

none 4 4<br />

1-8 knots 26 29<br />

9-15 knots 16 18<br />

16-30 knots 7 8<br />

over 30 knots 4 4<br />

undef<strong>in</strong>ed/unknown 33 37<br />

<strong>Mar<strong>in</strong>e</strong> <strong>Safety</strong> <strong>in</strong> <strong>Victoria</strong>: July <strong>2007</strong> to June <strong>2008</strong> 23

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