| Session | Date | Summary |
| 1st |
1997/02/20 | First trial. Defense lawyers challenged illegal investigative procedures of prosecutor. |
| 2nd | 1997/02/28 | Italian magistrate rejected defendants' claim. |
| 3rd | 1997/03/08 | Prosecutors argued that Senna's modified steering column caused his accident, but, Williams defense denied and blamed track's asphalt surface. SAGIS defense rejected it. |
| 4th | 1997/03/11 | Prosecutors re-appealed the cause was damage of steering shaft
|
| 5th | 1997/03/12 | Pierluigi Martini, ex-F1 Driver, "No causes other than mechanical troubles"
|
| 6th | 1997/03/17 | Prosecutors appealed black box was brought out illegally
|
| 7th | 1997/03/18 | Charlie Whiting, a member of FIA Technical Committee, examined by prosecutors
|
| 8th | 1997/04/02 | The possibility of Williams Teams's destroying evidence suggested by prosecutors
|
9th
10th | 1997/04/15
1997/04/16 | Prosecutors and Defendants, Oral arguments in steering shaft
|
| 11th | 1997/05/13 | Investigative Team reported damage condition of steering shaft
|
| 12th | 1997/05/14 | FOCA TV staff, examined by prosecutors concerning on-board camera
|
| 13th | 1997/06/02 | Damon Hill testified
|
| 14th | 1997/06/03 | Judge deemed Williams Team's analysis of on-board camera to be uncertain
|
15th
16th | 1997/06/25
1997/06/26 | Williams Team's engineers, examined by prosecutors in modification of steering shaft
|
| 17th | 1997/07/03 | Williams engineers, exmanined by prosecutors
|
| 18th | 1997/07/04 | Prosecutors produced evidence of new video of on-board camera
|
| 19th | 1997/07/09 | Ex-circuit officials attested the circuit meet FIA safety code
|
| 20th | 1997/09/16 | Judge reconfirmed testimony of Michele Alboreto, ex-F1 Driver
|
| 21st | 1997/09/22 | Williams engineers, exmanined by prosecutors
|
| 22nd | 1997/09/23 | FIA and circuit officials, examined by prosecutors
|
| 23rd | 1997/10/03 | Adjourned in five minutes due to the absence of Williams, Head and Newey.
|
| 24th | 1997/10/28 | Ex-test driver David Coulthard testified no unusual condition
|
| 25th | 1997/10/29 | Frank Williams, Patrick Head and Adrian Newey, First appearance in court
|
| 26th | 1997/11/07 | Closing arguments |
| 27th | 1997/11/11 | SAGIS Defenses plead not guilty of Giorgio Poggi
|
| 28th | 1997/11/12 | SAGIS Defenses appealed the circuit was not against safety code
|
| 29th | 1997/11/14 | Newey's Defenses appealed no evidence of his instruction for steering modification
|
| 30th | 1997/11/18 | Defenses denied prosecutors' analysis
|
| 31st | 1997/11/21 | Prosecutors disproved defenses' claim by telemetory data
|
| 32nd | 1997/11/26 | Re-closing arguments
|
| Verdict | 1997/12/16 |
|