A pin that came loose in the tail rotor control mechanism caused the catastrophic helicopter crash which killed Leicester City owner Vichai Srivaddhanaprabha and four others.
The Thai billionaire, two members of his staff, Nusara Suknamai and Kaveporn Punpare, pilot Eric Swaffer and another passenger, Izabela Roza Lechowicz, all lost their lives on Saturday October 27.