Tycoon Mike Lynch’s yacht toppled by ‘extreme wind’, UK investigators say

Interim report into sinking of superyacht that killed 7 off coast of Sicily said the vessel was ‘vulnerable’ to strong winds.

Investigators in the United Kingdom say a sudden blast of powerful wind was likely behind the capsizing of a superyacht owned by British tech billionaire Mike Lynch, which sank off Sicily last year, killing seven people.

Lynch, 59, and his 18-year-old daughter Hannah were among those who died when the 56-metre Bayesian overturned in the early hours of August 19. The voyage was meant to be a celebratory outing following Lynch’s acquittal in a major fraud case in the United States just two months earlier.

In a preliminary report released on Thursday, the UK’s Marine Accident Investigation Branch (MAIB) found that the vessel was “vulnerable” to strong winds – potentially even less severe than those recorded at the time of the incident. The report noted that this vulnerability was unknown to the yacht’s owner and crew, as it had not been documented in the stability guidance available on board.

The agency launched its probe because the Bayesian was registered in the UK. However, it acknowledged that access to key evidence remains limited due to an ongoing criminal inquiry by Italian authorities.

According to the UK report, the Bayesian had been moved the day before the accident to what was believed to be a safer location in anticipation of thunderstorms. But at about 4:06am local time, with the vessel in a motoring state, sails stowed and the centreboard raised, it was hit by winds exceeding 70 knots (81 mph), which caused it to capsize within seconds.

“You have the wind pushing the vessel over and then you have the stability of the vessel trying to push the vessel back upright again,” said MAIB investigator Simon Graves. “What our studies found was that the Bayesian may have been vulnerable to high winds, and these winds were likely present at the time of the accident.”

Among the other victims were Jonathan and Judy Bloomer – both British nationals – Chris and Neda Morvillo from the US, and Canadian Antiguan chef Recaldo Thomas. Fifteen people survived, including Lynch’s wife, Angela Bacares.

Efforts to recover the yacht have stalled since May 9, when a diver was killed during the operation. Salvage work resumed on Thursday. Graves said the final report will cover additional factors such as possible escape routes and what took place on board.

“There’s still more to uncover,” he said. “Once we gain access to the yacht itself, we’ll be able to paint a fuller picture of the timeline and decisions made.”

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Al Jazeera and news agencies