page_title: Sonex Aircraft
section_title: Aircraft
hierarchical_section_title: Sonex Aircraft / Aircraft
caption_attribution_description: English: Sonex Onex
context_page_description: Sonex Aircraft, LLC is an American kit aircraft manufacturer located in Oshkosh, Wisconsin, producing kits for four all-metal homebuilt monoplanes. The company was founded in 1998 by John Monnett, who has designed the Monnett Sonerai sport aircraft series, Monnett Monerai sailplane, Monnett Moni motorglider, and Monnett Monex racer. Monnett designs are displayed in the Steven F. Udvar-Hazy Center of the National Air and Space Museum near Washington D.C.
  In June 2018, John Monnett announced that he will retire and sell the company.
context_section_description: In 2013, the  FAA National Kit Evaluation Team (NKET) approved fast-build "51% rule" versions of the Sonex, Waiex, and Onex.
  In December 2019 the John Monnett-designed Sonerai was acquired by Sonex Aircraft.
caption: Sonex Onex
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