Great Plains Aircraft Supply Company

Great Plains Aircraft Supply Company is a United States aircraft manufacturer of experimental plans based primarily on the Volkswagen air-cooled engine. Great Plains provides VW engine conversions for use in experimental aircraft.[1]

Great Plains Aircraft Supply Company
Experimental Aircraft Parts and Plans
IndustryExperimental Aviation
GenreAircraft Manufacture
PredecessorMonnett Experimental Aircraft Edit this on Wikidata
FounderSteve and Linda Bennett
United States
ProductsVW Engine Conversions and aircraft plans

Great Plains has been selling and manufacturing conversions of VW engines since circa 1982. Among their offerings is the Great Plains Type 1 Front Drive engine series.[2]

Great Plains also holds the rights to the Sonerai series of aircraft designed by John Monnett.[1] Previous owners of the design were INAV Experimental in 1987.


Summary of aircraft built by
Model name First flight Number built Type
Sonerai 1974 Number built 1400+ 4130 Tube and fabric with aluminum wings
Easy Eagle 1 Biplane 2010 Number built 5+ Tube fuselage and wood-and-fabric wings Biplane


  1. ^ a b Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 104. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. ^ Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 258-259. Flying Pages Europe SARL, 2015. ISSN 1368-485X

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