Drivers, HistoryJOMADecember 20, 2018F1, Ayrton Senna, Indy, Indycar The day Senna tested a Penske IndyCar On December 20th, 1992, Ayrton Senna secretly tested a Penske PC-21 at Phoenix. Drivers, HistoryJOMADecember 20, 2018F1, Ayrton Senna, Indy, Indycar
