A wake will be held afterwards at The Helicopter Museum. Instead, those wishing to pay tribute to Mr Ap Rees are invited to make a donation in his memory to either The Helicopter Museum (Registered Charity No. 281053) or Leukaemia UK (Registered Charity No. In a tribute, the museum said: "For more than seventy years, helicopters were not simply Elfan's passion, they were his life's work. His work helped establish the Weston-super-Mare museum as a major centre for rotary aviation heritage, attracting enthusiasts and visitors from across the UK and beyond.