ICEBERG USA GRAND PRIX - PRACTICE 1
04 Jun 1989
Phoenix Street Circuit, United States
| Pos. | No. | Driver | Team | Time / Gap |
|---|---|---|---|---|
| 1 | 1 | Ayrton SennaSEN | McLaren Honda | 1:31.272 |
| 2 | 7 | Martin BrundleBRU | Brabham Judd | +0.842s |
| 3 | 2 | Alain ProstPRO | McLaren Honda | +0.906s |
| 4 | 27 | Nigel MansellMAN | Ferrari | +1.439s |
| 5 | 19 | Alessandro NanniniNAN | Benetton Ford | +1.480s |
| 6 | 21 | Alex CaffiCAF | Dallara Ford | +1.716s |
| 7 | 30 | Philippe AlliotALL | Lola Lamborghini | +2.203s |
| 8 | 9 | Derek WarwickWAR | Arrows Ford | +2.250s |
| 9 | 3 | Jonathan PalmerPAL | Tyrrell Ford | +2.515s |
| 10 | 22 | Andrea de CesarisDEC | Dallara Ford | +3.295s |
| 11 | 23 | Pierluigi MartiniMAR | Minardi Ford | +3.316s |
| 12 | 4 | Michele AlboretoALB | Tyrrell Ford | +3.333s |
| 13 | 12 | Satoru NakajimaNAK | Lotus Judd | +3.635s |
| 14 | 20 | Johnny HerbertHER | Benetton Ford | +3.660s |
| 15 | 10 | Eddie CheeverCHE | Arrows Ford | +3.710s |
| 16 | 40 | Gabriele TarquiniTAR | AGS Ford | +3.740s |
| 17 | 38 | Christian DannerDAN | Rial Ford | +3.919s |
| 18 | 11 | Nelson PiquetPIQ | Lotus Judd | +4.096s |
| 19 | 31 | Roberto MorenoMOR | Coloni Ford | +4.614s |
| 20 | 6 | Riccardo PatresePAT | Williams Renault | +4.685s |
| 21 | 26 | Olivier GrouillardGRO | Ligier Ford | +5.113s |
| 22 | 29 | Yannick DalmasDAL | Lola Lamborghini | +5.247s |
| 23 | 24 | Luis Perez-SalaPER | Minardi Ford | +5.354s |
| 24 | 16 | Ivan CapelliCAP | March Judd | +5.442s |
| 25 | 25 | Rene ArnouxARN | Ligier Ford | +5.520s |
| 26 | 8 | Stefano ModenaMOD | Brabham Judd | +5.664s |
| 27 | 5 | Thierry BoutsenBOU | Williams Renault | +5.699s |
| 28 | 15 | Mauricio GugelminGUG | March Judd | +5.932s |
| 29 | 36 | Stefan JohanssonJOH | Onyx Ford | +6.104s |
| 30 | 28 | Gerhard BergerBER | Ferrari | +6.312s |