1998:
PO Box 545
NE 68010 Boys Town
USA
2009: Great Plains Aircraft Supply Co., Inc.
7011 N 160th Ave, Bennington, NE 68007, USA.
Markets kits and plans to construct single-seat Sonerai I monoplane and tandem two-seat Sonerai II in various subversions. Sonerai I originally designed by John Monnett and first flown 1971.
Built VW engine conversions
All Aero 