 Gadzira shanduro yakaoma zvikuru yemutsara uyu Pakutanga yakatanga seSierra Flight Systems.Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi Pakutanga yakatanga seSierra Flight Systems, kambani yakabatanidzwa naGordon Pratt naRick Price muna 1997. 