SUB-COMMITTEE ON STABILITY AND LOAD LINES AND ON ...
SUB-COMMITTEE ON STABILITY AND LOAD LINES AND ON ...
SUB-COMMITTEE ON STABILITY AND LOAD LINES AND ON ...
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Ref.: 391/09 and 520/09<br />
BSU<br />
Bundesstelle für Seeunfalluntersuchung<br />
Federal Bureau of Maritime Casualty Investigation<br />
Time HKT Wind direction Wind force (Bft) Sig. wave height<br />
14/9 1200 NE Around 5, increasing Around 4 m due to high<br />
level of swell<br />
1400 NE 7 to 8 Bft Around 5 m due to high<br />
level of swell<br />
2000 NE 8 to 9 Bft 5 to 6 m<br />
15/9 0200 NE to E 9 to 10 Bft, gusts 12 Around 6 m<br />
0800 SE to S Around 9, decr., gusts 11 6 m, decreasing to 5 m<br />
1000 S 6, gusts 9 decr. 8 5 m, decreasing to 4 m<br />
In the early morning of 15 September 2009, the heaviest wind forces came from the<br />
east at 10 to 11 Bft with gusts of 12 Bft and the highest significant wave height was<br />
6.70 m, with individual waves exceeding a height of 10 m.<br />
The development of the tropical low pressure system to a typhoon occurred in only<br />
24 hours with the storm system covering about 230 nm. Warnings by official<br />
agencies in Hong Kong were issued for the city for the first time on 13 September<br />
2009 at 1235.<br />
Wind Sea<br />
Swell<br />
Anchor<br />
weighed<br />
Time of accident<br />
Figure 6: Wind sea, swell and wind speed<br />
The vessel left the anchorage on 14 September at 0544 UTC. The accident occurred<br />
on 15 September at 0018 local time = 14 September at 1618 UTC.<br />
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