1.Ayrton SENNA was complaining during all the 1994 season that he doesn't feel safe in the car because it is acting very nervously.
2.Michael SHUMACHER had seen Ayrton SENNA a lap before he had crashed in the same turn: the "Tamborelo" turn when the rear part of his car was moving sideways.
3. Soon after the accident the WILLIAMS team had stopped using this special rear wing.