Re: Ouzo Trial
- From: BrianH <nadia@xxxxxxxx>
- Date: Thu, 12 Apr 2007 13:35:15 +0200
toad wrote:
No trial news but the report's out:
http://www.maib.gov.uk/publications/investigation_reports/2007/ouzo.cfm
In summary:
The Ouzo didn't show up on Radar mainly due to clutter from the sea
state and wasn't spotted visually till late due to the knackered night
vision of the people on watch. (They'd recently been in lit areas.)
Interestingly: "Even if Ouzo had been displaying her octahedral radar
reflector, it would have made little difference to the yacht's radar
cross section."
The PofB made a subtle (but significant) change of course just before
the collision - apparently enough to hit the Ouzo without alerting
them of the change in course.
AIS wouldn't have made any difference.
I find this arguable. The report implies this because the radar display was not equipped to show AIS targets - if the Ouzo was activating an AIS transponder. However, surely the Pride of Bilbao has other AIS receive equipment that would initiate an alarm of an impending collision - such software is fairly standard now, I believe, even for class B. AIS is such a safety feature it would be shocking if that is not the case.
But more contentious and pertinent is that if the Ouzo had only an AIS receiver, they would probably have such software to indicate a collision probability and, most importantly, the name and MMSI of the other ship, which they could have called on VHF to warn them of their position and bearing to the Pride of Bilbao.
For me, the Ouzo's radio silence is the most puzzling point of this sad affair.
.
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