Kammala wannan jumla: Tare da babban tallafi da aka samu daga Saudi Arabian Airlines da TAG, FW06 ya fara zuwa filin tsere a cikin
1978 Argentine Grand Prix a hannun Alan Jones, kuma mota guda ɗaya ta yi gasa a cikin zagaye 16 na Gasar Cin Kofin Duniya a wannan kakar, ta gama a cikin maki sau 3 ciki har da matsayi na biyu a Watkins Glen, daidai da mafi kyawun sakamakon Williams a 1975 German Grand Prix. An ba da kyauta mai kyau ta Jones a Long Beach. Yayin da yake gudu na biyu motar ta sami matsala ta injiniya kuma ta koma baya. Jones yana son motar, yana mai cewa yana da daɗi don tuƙi kuma yana da matuƙar tuƙi idan aka kwatanta da injunan da aka ba shi a baya, kuma yana jin cewa yana ɗaya daga cikin mafi kyawun motocin da ba su da tasiri a wannan kakar. Babban kasafin kudin da yarjejeniyar tallafawa ta ba da damar Patrick Head ya ci gaba da haɓaka FW06 a cikin shekara. Williams ya gama na tara a gasar zakarun masu kera a shekarar 1978, wanda ya dace da mafi kyawun wasan da kungiyar ta yi a farkon fitowar ta a shekarar 1975.