Stephen Curtis died when his new £1.5million machine plunged to the ground a short distance from an airport.
Days earlier he told a relative: “If anything happens to me in the next few weeks, it will not be an accident.”Details of the crash emerged as police investigated the gruesome death of Mr Young on Monday. The property developer was killed when he was impaled on railings after plunging 60ft from the window of a £3million home in Marylebone, central London.
It was Mr Curtis who reportedly introduced Young and two members of his circle, Robert Curtis and Paul Castle, to Russian billionaires. As a legal adviser on major property deals, Stephen Curtis was also acquainted with Russian oligarch Boris Berezovsky.
Mr Young, Robert Curtis and Mr Castle all died after apparently committing suicide in the past four years. In March last year, exiled Mr Berezovsky was found dead in the bathroom of his home with a ligature round his neck.