The Helicopter Museum, which homes greater than 100 plane, was born out of ap Rees’ lifelong ardour and his non-public assortment of aviation paperwork and artifacts.
In a tribute, the museum confirmed his passing on 24 July “with great sadness”.
“For more than 70 years, helicopters were not simply Elfan’s passion. They were his life’s work,” they mentioned.
“Through his vision, determination and perseverance, countless historic aircraft were rescued from the scrapyard and preserved for future generations.
“His legacy lives on in each plane preserved inside the museum, each customer impressed by its assortment, and within the generations who will proceed to find the historical past of rotary-wing flight due to his life’s work.”
His daughter, Claire ap Rees, said the number of tributes flooding in from around the world “has been overwhelming”.
“Reading the messages from individuals who say he impressed their curiosity in helicopters has been an actual consolation at such a troublesome time,” she added.