During Friday practice for the 1981 Belgian Grand Prix, Amadeo fell from the pit wall into Reutemann's path. The incident was a major shock to the Formula One community, with Amadeo having suffered a double skull fracture and, though attempts to resuscitate him in the ambulance were successful, he was not expected to survive. He was rushed to hospital in a very grave state, but died the Monday after the race.
Furthermore, Arrows mechanic Dave Luckett was injured whilst trying to restart Riccardo Patrese's car on the startline when he was hit by the second Arrows of Siegfried Stohr. Fortunately enough, Luckett survived, but Amadeo was not so lucky. These incidents led the mechanics for the other teams to protest over the safety measures protecting them, which was soon joined by several drivers who left their cars.
Despite the initial shock of having run the mechanic over during practice, an emotional Reutemann won his second race of the season, and the final Grand Prix win of his career.