<page_title> ATS D5 </page_title> <section_title> Complete Formula One World Championship results </section_title> <table> <cell> 1981 <col_header> Year </col_header> </cell> <cell> HGS1 <col_header> Chassis </col_header> </cell> <cell> Slim Borgudd <col_header> Year </col_header> </cell> <cell> DNQ <col_header> 1 </col_header> </cell> </table>
The D5, known initially as the HGS1, made its first appearance through the 1981 Formula One season at the Belgian Grand Prix, where it was driven by Slim Borgudd.