Doyn Aircraft Inc

USA
This Wichita, Kansas, company, offering conversions to provide more power and performance to Cessna models 150,170,172,175, and Cardinal, was taken over by Air-Mod Engineering Company of Oklahoma City. The Cessna 170 conversions were known as the Doyn Dart I; the Dart II of the mid-1960s was a refined version of the Piper Apache. Beech Travelair conversions were also completed.