Sinking is still subject to an ongoing criminal investigation in Italy
The UK Marine Accident Investigation Branch has issued an interim report into the sinking of a superyacht, owned by Isle of Man company Revtom Limited, that sank in a freak storm in Italian waters with the loss of seven lives.
The Bayesian capsized and sank half a nautical mile off the Porticello coast on 19 August last year.
A Met Office study and local observations indicated the probable presence of a transient hurricane with winds in excess of 64 knots at the time of the accident, which may have caused the vessel to heel over beyond the so-called angle of vanishing stability.
Among the seven people who perished in the Bayesian tragedy were Tech tycoon Mike Lynch and his teenage daughter Hannah.
The vessel had 22 people in board at the time of the sinking, which is still subject to an ongoing criminal investigation in Italy.
As a result the MAIB says access to the wreck and other material elements of primary evidence have been restricted.
The ongoing safety investigation is considering all aspects of the accident to determine its cause and circumstances.
These include Bayesian's design, stability, escape routes, operation and emergency procedures.
Until the final report is published the interim report should be taken as indicative of the circumstances of the accident.
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