Senna made his debut at the 1984 Brazilian Grand Prix in Rio de Janeiro, where he qualified 17th, but had the dubious honour of being the first retirement of the season when the Hart 415T engine blew its turbo on lap 8.
Senna fixo o seu debut no Gran Premio de Brasil de 1984 en Río de Janeiro, onde cualificou 17º, pero tivo o dubidoso honor de ser o primeiro abandono da tempada cando o turbo do seu motor Hart 415T explotou na volta 8.