<prompt> Bhala ukuqhubeka kwalesi sigaba - Wathola indondo yegolide emidlalweni ye-aerials eMqhudelwaneni Wamazwe Omhlaba Wase-FIS Freestyle Skiing ngo-1986  <response>: eTignes. Emqhudelwaneni we-FIS Freestyle World Ski Championships ngo-1989 e-Oberjoch, wabeka indawo yesikhombisa kuma-aerials. 