Overview

• Seven people, including tech entrepreneur Mike Lynch and his daughter Hannah, died when the Bayesian capsized during a mesocyclonic storm on August 19, 2024.
• The interim report identifies extreme wind gusts exceeding 70 knots as the primary factor that tipped the vessel past its stability limits in under 15 seconds.
• Investigators found the yacht's design vulnerabilities, such as operating in motoring mode with a raised centerboard, were not documented in its stability information booklet.
• Italian authorities' criminal investigation has restricted access to the wreck, limiting evidence available to the UK Marine Accident Investigation Branch.
• Salvage operations, initiated in May 2025, remain on hold following the fatality of a diver, with no set timeline for resumption or completion of the investigation.