ICEBERG USA GRAND PRIX - PRACTICE 1
11 Mar 1990
Phoenix Street Circuit, United States
| Pos. | No. | Driver | Team | Time / Gap |
|---|---|---|---|---|
| 1 | 4 | Jean AlesiALE | Tyrrell Ford | 1:28.740 |
| 2 | 27 | Ayrton SennaSEN | McLaren Honda | +0.599s |
| 3 | 28 | Gerhard BergerBER | McLaren Honda | +1.025s |
| 4 | 1 | Alain ProstPRO | Ferrari | +1.750s |
| 5 | 3 | Satoru NakajimaNAK | Tyrrell Ford | +1.893s |
| 6 | 20 | Nelson PiquetPIQ | Benetton Ford | +1.978s |
| 7 | 5 | Thierry BoutsenBOU | Williams Renault | +2.250s |
| 8 | 6 | Riccardo PatresePAT | Williams Renault | +2.323s |
| 9 | 23 | Pierluigi MartiniMAR | Minardi Ford | +2.556s |
| 10 | 26 | Philippe AlliotALL | Ligier Ford | +2.749s |
| 11 | 2 | Nigel MansellMAN | Ferrari | +2.858s |
| 12 | 10 | Bernd SchneiderSCH | Arrows Ford | +3.163s |
| 13 | 29 | Eric BernardBER | Lola Lamborghini | +3.240s |
| 14 | 8 | Stefano ModenaMOD | Brabham Judd | +3.372s |
| 15 | 22 | Andrea de CesarisDEC | Dallara Ford | +3.445s |
| 16 | 19 | Alessandro NanniniNAN | Benetton Ford | +3.468s |
| 17 | 33 | Roberto MorenoMOR | Euro Brun Judd | +3.890s |
| 18 | 30 | Aguri SuzukiSUZ | Lola Lamborghini | +3.938s |
| 19 | 21 | Gianni MorbidelliMOR | Dallara Ford | +4.037s |
| 20 | 36 | Jyrki JarvilehtoJAR | Onyx Ford | +4.384s |
| 21 | 35 | Stefan JohanssonJOH | Onyx Ford | +4.418s |
| 22 | 25 | Nicola LariniLAR | Ligier Ford | +4.474s |
| 23 | 12 | Martin DonnellyDON | Lotus Lamborghini | +4.689s |
| 24 | 14 | Olivier GrouillardGRO | Osella Ford | +5.011s |
| 25 | 24 | Paolo BarillaBAR | Minardi Ford | +5.014s |
| 26 | 16 | Ivan CapelliCAP | Leyton House Judd | +5.247s |
| 27 | 11 | Derek WarwickWAR | Lotus Lamborghini | +5.404s |
| 28 | 15 | Mauricio GugelminGUG | Leyton House Judd | +5.545s |
| 29 | 7 | Gregor FoitekFOI | Brabham Judd | +5.605s |
| 30 | 9 | Michele AlboretoALB | Arrows Ford | +6.634s |