During 1975, at the German Grand Prix at the Nürburgring where during practice, he crashed severely at the tricky Pflanzgarten section and broke both his ankles, and during practice for the Canadian Grand Prix at Mosport Park in 1977, he went over a bump, flipped his Hesketh, vaulted the barrier and crashed into a television tower.
Durante 1975, no gran premio alemán en Nürburgring onde durante a práctica, estrelouse fortemente na difícil sección de Pflanzgarten e rompeu ambos nocellos, e durante a práctica para o Gran Premio do Canadá de 1977 no Circuíto de Mosport Park en 1977, pasou sobre unha fochanca, volcou o seu Hesketh, saltou a barreira e estrelouse contra unha torre da televisión.