As time passed it became clear that he would never regain his health sufficiently to return to full-time work. To safeguard the future of his workforce, he decided in 1973 to sell his majority shareholding to Crook. As the ties with the White family were severed, British Aerospace (successors to the Bristol Aeroplane Company) requested the company to move its factory from Filton Aerodrome and it found new premises in nearby Patchway. The showroom on Kensington High Street became the head office, with Crook shuttling between the two in Bristol's light aircraft.