Silverstone and the BRDC had signed a seven-year contract with Formula 1 and FISA at some point in 1986, to run from 1987 to 1993.
Silverstone e o BRDC asinaran un contrato de sete anos coa Fórmula 1 e a FISA nalgún momento en 1986, para funcionar a partir de 1987 a 1993.