1 | 3 | Monaco Grand Prix | 12 | Ayrton Senna | McLaren MP4-4 | Honda RA168-E | 1 | Spun Off |
2 | 8 | British Grand Prix | 11 | Alain Prost | McLaren MP4-4 | Honda RA168-E | 4 | Handling |
3 | 12 | Italian Grand Prix | 11 | Alain Prost | McLaren MP4-4 | Honda RA168-E | 2 | Engine |
4 | 12 | Italian Grand Prix | 12 | Ayrton Senna | McLaren MP4-4 | Honda RA168-E | 1 | Collision |