Ayrton Senna returned to Bell in 2002 and was incinerated while family members watched. His nephew Bruno wore a modified version of his helmet design (a yellow helmet with a green and blue stripe) during his Formula One career, but the stripes are shaped after an S rather than being straight, under the chin area it has a green stripe, and it has a blue rounded rectangle in the top area. Bruno sported a modified helmet design for the final three races of the 2011 season to honour the 20th anniversary of Ayrton winning his last world championship. At the 1995 Brazilian
Ayrton Senna by a logo with a double S, after his full surname, "Senna da Silva". This logo is meant to represent an S chicane on a racing circuit. The Senna brand was on apparel, watches, bicycles (Carraro), motorcycles and boats. Hublot, TAG Heuer, and Universal Genève have created limited-edition watches to honour Senna, both during his lifetime and after his death. Many safety improvements were made in the sport following Senna's and Ratzenberger's deaths and Barrichello's crash. These include improved crash barriers, redesigned tracks, higher crash safety standards (such as larger sills along the driver cockpit) and major cuts to engine