Bayesian (yacht) explained

Bayesian
Othernames:Salute
Class:Sailing superyacht
Yearbuilt:2008
Builder:Perini Navi
Yearrebuilt:2020
Owner:Angela Bacares
Fate:Sank around 4–5 am local time on 19 August 2024 off the coast of Palermo, Sicily
Type:Sailing superyacht
Crew:10
Length:56 m (184 ft)
Beam:11.5 m (38 ft)[1]
Draft:10m(/ 4m, keel raised)
Construction:Aluminium hull
Height:75 m (246 ft) mast
Cruising Speed:12 kn
Maximum Speed:13 kn
Engines:2x MTU 2000 M72 V16[2]
Engine Power:1,440 KW (1930 bhp) @ 2,250 r.p.m.
Notes:Voted best interior at the International Superyacht Society Awards 2008 and best sailing yacht over 45 metres at the 2009 World Superyacht Awards

Bayesian was a 56m (184feet) sailing superyacht, built as Salute by Perini Navi at Viareggio, Italy, and delivered in 2008.[3] The ship was last refitted in 2020[4] and was in the beneficial ownership of Angela Bacares, wife of the technology entrepreneur Mike Lynch, when it sank on 19 August 2024.[5]

Design and construction

Bayesian was a flybridge sloop designed by Ron Holland and built with a 56m (184feet) aluminium hull and a single-masted cutter rig. The 75m (246feet) aluminium mast was designed for the yacht and at the time was the world's tallest. The yacht had a lifting keel, allowing its draft to be reduced from 10 m to 4 m.[6] It was the fifth constructed of ten similar vessels from the same designer and shipyard, though the others were all ketches (two masts), and was one of the world's largest sailing yachts. The yacht featured a traditional aft cockpit and an additional 60m2 fully-encloseable cockpit forward. The interior was outfitted in Japanese style by the French design company Rémi Tessier Design.[7] The yacht was voted as best interior at the International Superyacht Society Awards 2008 and best sailing yacht over 45 metres at the 2009 World Superyacht Awards.[8]

History

The yacht, allocated IMO Number 9503392, was ordered by Dutch entrepreneur (1939–2018), but in 2005 he was paralysed in a yachting accident and it was sold on completion in 2008 to Dutch property developer John Groenewoud and named Salute.[9] [10] In November 2014 it was sold to Revtom Ltd., an Isle of Man company owned by Angela Bacares, wife of the technology entrepreneur Mike Lynch, and renamed Bayesian, a reference to Bayesian inference, which was used in statistical machine learning by Lynch's company Autonomy Corporation.[11] From then, the yacht was registered in the United Kingdom, with London as port of registry. It was refitted in 2020 and was managed since 2022 by Camper & Nicholsons International, Geneva.

Sinking and aftermath

Bayesian sank in the early morning of 19 August 2024. The yacht was anchored off Porticello (township of Santa Flavia), a small fishing village about east of Palermo, Sicily.[12] [13] An attorney for Lynch said that the passengers had intended to celebrate Lynch's acquittal on fraud charges. Among those on board was a member of his defence team.[14] The Bayesian sank quickly after capsizing whilst at anchor during a storm and sank to a depth of .

According to witnesses, the yacht was struck by a waterspout during a powerful storm.[15] There were initial reports that the boat's mast may have snapped causing the vessel to become unbalanced. But search and rescue divers later noted that the ship seemed to be intact, suggesting the mast might not have broken. Other factors in the capsize could have included water entering through hatches and doors which may have been left open.[16] [15]

The ship was carrying 10 crew and 12 passengers, of whom 15 were rescued.[17] [18] A team of specialist divers descended to the wreck repeatedly. They reached the main bridge but found it challenging to search further inside for victims due to furnishings obstructing their passage and the limited dive time of ten minutes at the wreck.[19] [20] [21] [22]

Survivors

Survivors included Angela Bacares and two New Zealanders: lawyer Ayla Ronald and the captain, James Catfield.[23] [24]

Confirmed dead

Missing

Causes and investigation

Giovanni Costantino, CEO of The Italian Sea Group, which owns Perini Navi, told Corriere della Sera that the crew should have known about the incoming storm from the weather forecast, and that there should have been a lookout who would have seen the storm coming. He said that given the gathering storm, the yacht should not have been at anchor, all apertures (including the stern hatch) should have been closed, the ship's keel should have been fully lowered, and the boat's occupants should not have been in cabins.[26] [27]

Notes and References

  1. Web site: BAYESIAN a Perini Navi Superyacht . Charter World . 20 August 2024 . 16 October 2021 . https://web.archive.org/web/20211016182231/https://www.charterworld.com/index.html?sub=yacht-charter&charter=perini-navi-sy-salute-1404 . live .
  2. Web site: MTU 16 V 2000 M72 Marine Main Engine . CMC-MTU . 7 February 2019 . 20 August 2024 . 1 February 2020 . https://web.archive.org/web/20200201212024/http://mtu.cmc-mtu.com/index.php/mtu-16-v-2000-m72-marine-main-engine-2/ . live .
  3. News: Damborsky . Katia . Margerrison . Holly . Latest: British tech giant Mike Lynch among those missing after 56m Perini Navi sailing yacht Bayesian sinks in Italy . 19 August 2024 . Boat International . 19 August 2024 . 20 August 2024 . https://web.archive.org/web/20240820050542/https://www.boatinternational.com/yachts/news/latest-updates-perini-navi-sailing-yacht-sinks-incident-sicily-palermo-mike-lynch . live .
  4. Web site: Vagnoni . Giselda . Four bodies retrieved from Mike Lynch's sunken yacht in Sicily . Reuters . 21 August 2024 . en . 21 August 2024.
  5. News: Il Veliero Bayesian, Una Nave Super Lusso con l'Albero in Alluminio Più Grande del Mondo . The Bayesian Sailing Ship, A Super Luxury Ship With The World's Largest Aluminum Mast . 20 August 2024 . tgcom24.mediaset.it . tgcom24.mediaset.it . 19 August 2024 . 19 August 2024 . https://web.archive.org/web/20240819103708/https://www.tgcom24.mediaset.it/cronaca/veliero-bayesian-numeri-record-nave-albero-alluminio-piu-grande-mondo_86140077-202402k.shtml . live .
  6. Web site: What caused the fatal sinking of the superyacht Bayesian? . www.ft.com . 21 August 2024.
  7. News: Perini Navi launches 56 metre cutter Salute . 19 August 2024 . Superyacht Times . 13 February 2008 . 20 August 2024 . https://web.archive.org/web/20240820082030/https://www.superyachttimes.com/yacht-news/perini-navi-launches-56-metre-cutter-salute . live .
  8. News: Search for missing Bayesian passengers 'very complicated' because yacht is intact . The Telegraph . 20 August 2024 . 20 August 2024 . 20 August 2024 . https://web.archive.org/web/20240820170817/https://www.telegraph.co.uk/news/2024/08/20/bayesian-superyacht-sicily-sinking-missing-mike-lynch-live/ . live .
  9. News: Montgomery . Samuel . Inside the £30m Bayesian superyacht . 21 August 2024 . Daily Telegraph . 20 August 2024 . London.
  10. Web site: van Riessen . Paul . In memoriam: ‘wilde Eric’ Albada Jelgersma (1939 - 2018) . Quote . Hearst Netherlands . 21 August 2024 . Amsterdam . nl . 22 June 2018.
  11. Web site: 2024-08-20 . Here's what to know about Mike Lynch, the tech tycoon missing in the Sicily yacht disaster - CBS News . 2024-08-20 . www.cbsnews.com . en-US . 2024-08-20 . https://web.archive.org/web/20240820170933/https://www.cbsnews.com/amp/news/mike-lynch-yacht-bayesian-sicily-autonomy-what-to-know/ . live .
  12. News: La Piccola Sofia Salvata in Mare Dalla Mamma . Little Sofia Saved at Sea by Her Mother . 20 August 2024 . ansa.it . ansa.it . 19 August 2024 . 20 August 2024 . https://web.archive.org/web/20240820082024/https://www.ansa.it/sicilia/notizie/2024/08/19/la-piccola-sofia-salvata-in-mare-dalla-mamma-_6bb7f187-f33a-4fc2-8cd7-71e05476e18c.html . live .
  13. News: Tromba d'Aria si Abbatte su Palermo, Travolta Barca a Vela. "I Cadaveri Visti dai Soccorritori Dagli Oblò" . Tornado Hits Palermo, Sailboat Hit. "Rescuers Seen Corpses Through Portholes" . 20 August 2024 . ilgiornale.it . ilgiornale.it . 20 August 2024 . 19 August 2024 . https://web.archive.org/web/20240819140745/https://www.ilgiornale.it/news/nazionale/tromba-d-aria-si-abbatte-su-palermo-e-travolge-veliero-50-2359880.html . live .
  14. News: 20 August 2024 . Yacht that sank off Sicily was carrying people celebrating tech magnate's acquittal; 6 missing . 20 August 2024 . AP News . 21 August 2024 . https://web.archive.org/web/20240821012432/https://apnews.com/article/italy-sicily-bayesian-lynch-hewlett-packard-9f4f3b6d7b48bb3c76dd98e35ab973c1 . live .
  15. Web site: Bayesian yacht Sicily latest: UK tycoon Mike Lynch, 18-year-old daughter, and chef among missing after yacht sinks . 2024-08-19 . BBC News . en-GB.
  16. Web site: Superyacht sinks latest: British tech entrepreneur Mike Lynch among missing after disaster off Sicily . 19 August 2024 . 19 August 2024. . en.
  17. News: Howard . Jacqueline . Cheetham . Joshua . UK tech tycoon among missing after yacht sinks . 19 August 2024 . BBC . 19 August 2024 . 19 August 2024 . https://web.archive.org/web/20240819083914/https://www.bbc.com/news/articles/c0k4751jrm8o . live .
  18. News: 19 August 2024 . Canadian dead, several others missing after superyacht capsizes off Sicilian coast . 20 August 2024 . CBC News . Thomson Reuters . 20 August 2024 . https://web.archive.org/web/20240820024709/https://www.cbc.ca/news/world/italy-yacht-incident-1.7298093 . live .
  19. News: Porticello (Palermo), Tromba d'Aria Affonda Veliero: Un Morto e 6 Dispersi Senza Esito La Prima Ispezione Degli Speleosub Nel Relitto a 50 Metri di Profondità . Porticello (Palermo), Tornado Sinks Sailing Ship: One Dead and 6 Missing Without Results The First Inspection of Speleo Divers in the Wreck at 50 Meters Depth . 20 August 2024 . tgcom24.mediaset.it . tgcom24.mediaset.it . 20 August 2024 . 20 August 2024 . https://web.archive.org/web/20240820082255/https://www.tgcom24.mediaset.it/cronaca/sicilia/porticello-palermo-maltempo-affonda-veliero-dispersi_86138447-202402k.shtml . live .
  20. News: Il Temporale, l'Uragano e Il Veliero Che Cola a Picco: Cosa Sappiamo del Naufragio del Bayesan . The Storm, the Hurricane and the Sinking Ship: What We Know About the Bayesan Sinking . 20 August 2024 . lasicilia.it . lasicilia.it . 20 August 2024 . 20 August 2024 . https://web.archive.org/web/20240820082005/https://www.lasicilia.it/cronaca/naufragio-palermo-bayesan-mike-lynch-tromba-daria-2237153/ . live .
  21. News: Six Pople Missing, Including British Tech Tycoon Mike Lynch, and One Dead After Tornado Sinks Luxury Yacht Off Sicily . 20 August 2024 . cnn.com . cnn.com . 20 August 2024 . 19 August 2024 . https://web.archive.org/web/20240819162316/https://edition.cnn.com/2024/08/19/europe/tornado-sinks-luxury-sailing-yacht-sicily-intl/index.html . live .
  22. News: Mike Lynch and daughter among six missing after yacht sinks. Giselda. Vagnoni. Reuters . 20 August 2024. www.reuters.com.
  23. News: Maher . Rachel . Revealed: Kiwi captain of sunk superyacht 'well respected' sailor . 21 August 2024 . NZ Herald . 21 August 2024 . en-NZ.
  24. News: Henry . Dubby Henry . Shrimpton . Wilhelmina . 'Very shaken': Two Kiwis among survivors after luxury yacht sinks off coast of Sicily . 21 August 2024 . NZ Herald . 20 August 2024 . en-NZ.
  25. News: Evans . Holly . 2024-08-19 . Mike Lynch yacht latest: Search for daughter Hannah continues as coastguard identifies billionaire’s body . 2024-08-22 . The Independent . en.
  26. News: Stringer . Connor . McKenna . Josephine . Bayesian superyacht was 'virtually unsinkable', says shipbuilder . Telegraph . 22 August 2024 . 22 August 2024 .
  27. News: Live reporting . BBC . 22 August 2024 . 22 August 2024.

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