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56M Perini S/Y Bayesian Sinks During Palermo Storm

Discussion in 'General Yachting Discussion' started by kevin8tor, Aug 19, 2024.

  1. Liam

    Liam Senior Member

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    To be honest this event is being blown way beyond Perini Navi's reach and might affect the whole yachting industry as a whole, even how classification societies function.
    It will be interesting in my opinion with a part of the crowd shouting Faulty Design, what is the part of Class Rules in all this.
    If a design is certified by class rules, as well as the build being made to class, what is there need if all this comes to be really bad design after sinking.
    Is classing a yacht really just a tax rubber stamp after all....

    The sue has been dropped, with TISG firing the lawyer in question.
    This was of very bad taste, and a strategic madness made from someone out of his senses in both marketing and publicity.
    If the lawyer was made to do this by someone, I think we will soon hear a counter sue from him.

    I am not sure why TISG is really worried about Bayesian so much, since it was build in 2008, well out of there time and age, and they only own Perini the name for the past two years.
    I think they delivered a Catamaran this year, with a 56 meter ketch under build at the moment.
  2. Pascal

    Pascal Senior Member

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    Could they be worried because later or current builds can flood with the same amount ridiculously low angle?

    I really doubt Bayesian was the only PN with this issue.
    rtrafford and lobo like this.
  3. mapism

    mapism Senior Member

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    Because the name is all they were interested in, that's why.
    And while some folks think that there's no such thing as bad publicity, pretty sure this event is giving the name the worse publicity imaginable.

    So, Costantino being more a money shifter rather than a boatbuilder, the effect of this event on his money is what he's really concerned about.
    Mind, this isn't just my opinion: the man went as far as proudly declaring to NOT be a boatbuilder in an interview, even before taking over Perini.
    Sorry for those who don't speak Italian, but since I know you do, just click here to check the relevant 15 seconds of such interview, straight from the horse's mouth.
    Which BTW is all that is worth watching, in that 7+ minutes ramble.
    For those less familiar with the language, the literal translation of his statement goes like:
    "We build yachts and megayachts, but we don't see ourselves as a naval yard - rather a luxury brand."

    Now, I bet we will never hear from the 84 years old founder Fabio Perini any comments, because he is a gentleman. But I guess it must be painful for him, a technically minded genius who registered countless patents (not only in boatbuilding but also in several other industries), to watch this shitshow... :(
  4. Liam

    Liam Senior Member

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    From a certain point of view Yes from an other No. In the sense Bayesian, was the largest sloop single mast Perini Navi ever made, being also the most suspect to this unusual event when the stars aligned.
    Also a mistake many are making in the review of the accident and the yachts lean angle, that a Perini is not a sailing yacht but is really a motor sailor with a round bilge hull with a lifting keel, as described very well in the Power&MotorYacht review of the event by Bill Prince, which I think is the best technical review I have seen so far.

    The mentioned engine room air-intakes, I think could be resolved with an automatic system which some might say it is not, or even modify the air duct from a higher deck. I do not think it is so difficult to do and also not super expensive.
  5. rtrafford

    rtrafford Senior Member

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    The problem still is found in both of the on-deck living areas. Both are recessed. Both are very large spaces. Both are quite close to the cap rail. Both have open stair access from the flush deck. Both will immediately welcome a significant amount of water. That's ton of weight being added instantly to a healing vessel.

    But the lights still went out before the mast appeared to lean beyond 15-20 degrees, so was even more at play?
    Capt Ralph likes this.
  6. BlueNomad

    BlueNomad Senior Member

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    Approval of the stability characteristics comes from the flag state, in this case directly from the UK Maritime and Coastguard Agency in Southampton under the Large Yacht Code provisions.

    The builder, designers, etc must do whatever is required in order for approval to be granted.

    This vessel was approved under the LY2 iteration in 2008. Bear in mind this Code of Practice has been and currently still is the preeminent standard for large commercial yacht certification. The current iteration is called the Red Ensign Group (REG) Large Yacht Code.

    https://ukshipregister.co.uk/registration/large-yacht-part-1/codes-practice-and-standards
  7. Capt Ralph

    Capt Ralph Senior Member

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    Unlike the builder, these kids are quiet as a church mouse.
    So Far...
  8. Yacht News

    Yacht News YF News Editor

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    According to the latest news....she is set to be raised in April in a salvage operation that is expected to last 3 weeks.
  9. Yacht News

    Yacht News YF News Editor

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    That still did not happen but they are definitely preparing to raise the yacht now. Sadly a specialist diver died on the site last week (May 9th) and that halted work on the continued preparation. It is believed that salvage work is to continue tomorrow.
  10. Yacht News

    Yacht News YF News Editor

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    Timeline of Events.

    "Bayesian" arrived and anchored east of the main breakwater at Porticello around 21:24 local time. The wind was light and the sea calm, with thunderstorms forecast, but not yet active. Overnight watchkeeping was in place, and the skipper gave instructions to be woken if wind speeds exceeded 20-knots, or if the yacht began dragging anchor.

    By 03:00 on 19 August, conditions remained benign with winds around eight knots, but lightning could be seen approaching. At 03:55, the deckhand on duty recorded a video of the advancing storm and noted wind speeds had risen to 30-knots, with the yacht beginning to drag anchor and list to starboard. The situation escalated rapidly.

    Just after 04:00, Bayesian and the nearby sailing yacht "Sir Robert Baden-Powell" were both observed dragging anchor in worsening weather. The chief engineer started the yacht’s systems in preparation for maneuvering, but before the crew could stabilize the situation, disaster struck.

    “At 04:06, Bayesian violently heeled over to 90° to starboard, taking less than 15 seconds to do so,” the MAIB report states. “People, furniture and loose items fell across the deck. The generators shut down immediately and battery-supplied emergency lighting came on.”

    Guests and crew were thrown about the vessel. One deckhand was flung into the sea from the flying bridge. Within seconds, water entered through the starboard side and flooded the internal spaces. Despite heroic efforts by the crew to evacuate guests, including a baby, Bayesian continued to roll and eventually sank stern-first in approximately 50-meters of water.

    The crew managed to launch one liferaft and gather survivors. At 04:34, a red parachute flare was fired, eventually spotted by Sir Robert Baden Powell, whose tender recovered the survivors at 04:53.
  11. Yacht News

    Yacht News YF News Editor

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    A parallel study conducted by The University of Southampton, also commissioned by MAIB, indicated that if the wind was blowing directly onto Bayesian's beam, and the yacht was in the "motoring condition" – a position where the centreboard was raised and no sails were up – a gusting wind speed in excess of 63.4 knots would likely result in the vessel capsizing, "irrespective of any interactions and blanketing effects". The situation would have been "irrecoverable" once the yacht had heeled beyond an angle of 70.6 degrees. By 4:06am, Bayesian had heeled over 90 degrees to starboard, taking "less than 15 seconds to do so".

    Crucially, MAIB noted that these "vulnerabilities" were not identified in the stability information book carried on board, meaning both owner and crew would not have been aware. (Source: BI)
  12. rtrafford

    rtrafford Senior Member

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    I keep hearing discussion of the scuppers and air vents, but I can't get my eyes off of those two deck passages to recessed lounges fore and aft.
    Yacht News likes this.
  13. Capt Ralph

    Capt Ralph Senior Member

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  14. ychtcptn

    ychtcptn Senior Member

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    "She didn't heel flood and sink. She capsized and then began flooding,” Long said.

    From what I read, it sounds like the crew did the best they could and were following common expected protocols for a weather event, not sure how this can be put on them?

    I hope this puts to rest the criminal investigation of the Capt. and Deckhand.

    Italian Sea Group president has mea culpa coming, scum bag!
  15. Norseman

    Norseman Senior Member

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    I read the accident report linked above but saw no mention of the boat being modified with a taller mast after initial construction then had ballast added to compensate for the taller mast, decreasing buoyancy and decreasing freeboard.
    One would would assume these modifications would be a factor and one would also assume a new stability document would be issued after these modifications, but again, no mention of it in the report.
  16. Pascal

    Pascal Senior Member

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    Don’t hold your breath. The Italian justice system will try to shift the blame away from the Italian builder.
  17. Pascal

    Pascal Senior Member

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    the boat was not modified after being built. The modifications took place before or during construction when the existing ketch design was modified into a sloop
  18. Capt Ralph

    Capt Ralph Senior Member

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    Looking forward to the mfg, after all those quick, senseless and IMO rude comments, having egg on his/their face.
    People quickly and slowly died and in minutes, the mfg was posting disclaimers. Frack him/them.
    MBY likes this.
  19. mapism

    mapism Senior Member

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    Do you mean the same justice system that sentenced the Italian captain of Costa Concordia to 16 years of jail?
    Pascal, just in case you didn't notice, in recent years one of the first Countries most people around the world would think of when talking of a corrupted and biased justice system is yours, not mine.
    leeky and Semblance7x like this.
  20. mapism

    mapism Senior Member

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    THIS, I fully agree with.
    So much so, that I already expressed my thoughts about that months ago, in this post...