Whakakī i te rerenga e whai ake nei: Ko te Ferrari 643 he motuka Momo Kotahi i hangaia e Steve Nichols me Jean-Claude Migeot, a i hangaia e Scuderia Ferrari hei whakamahi i te tau 1991 Formula One. I hangaia i te marama o Mei, ā, i whakaurua i te
I te tīmatanga o te French Grand Prix i kitea he kaha ki te rere i mua. I tohu a Alain Prost i te rarangi o mua ka arahi, ahakoa i te mutunga ka paahitia e Nigel Mansell i roto i tana Williams FW14 a Renault, he waahi tuarua i te whakataetae tuatahi o te motuka. I tua atu i te mea i te nuinga o te wa i runga i te waahanga o mua o te mata, kaore i taea, ahakoa.