| 3 | South Africa | Frank Williams Racing Cars | 22 | COURAGE Piers | 505 | Ford Cosworth | Dunlop | 20 | ab | Runway exit |
| 4 | Monaco | Frank Williams Racing Cars | 24 | COURAGE Piers | 505 | Ford Cosworth | Dunlop | 9 | nc | |
| 5 | Belgium | Frank Williams Racing Cars | 7 | COURAGE Piers | 505 | Ford Cosworth | Dunlop | 12 | ab | Oil pressure |
| 6 | Netherlands | Frank Williams Racing Cars | 4 | COURAGE Piers | 505 | Ford Cosworth | Dunlop | 9 | ab | Fatal accident |
| 7 | Austria | Frank Williams Racing Cars | 26 | SCHENKEN Tim | 505 | Ford Cosworth | Dunlop | 19 | ab | Engine |
| 8 | Italy | Frank Williams Racing Cars | 54 | SCHENKEN Tim | 505 | Ford Cosworth | Dunlop | 19 | ab | Engine |
| 9 | Canada | Frank Williams Racing Cars | 10 | SCHENKEN Tim | 505 | Ford Cosworth | Dunlop | 17 | nc | |
| 10 | USA | Frank Williams Racing Cars | 30 | SCHENKEN Tim | 505 | Ford Cosworth | Dunlop | 20 | ab | Suspension |