Sonex 1723: Billy Kerchner Share Facebook X LinkedIn Report Report Abuse × Your Complaint* Sonex 1723 Description Corvair 3.3 Aircraft Details Aircraft Model Sonex First Flight Date October 15, 2020 Engine Corvair O-190 Landing Gear Standard (Taildragger) Control Stick Dual Contact Information First Name Billy Last Name Kerchner Original Builder Billy Kerchner Location Royersford, PA, United States Phone 6106395745 Email Rofomoto@gmail.com YouTube or Other Social Services Offered EAA Technical Counselor No EAA Flight Advisor No Transition Training No Pre-Buy Inspections No Annual Inspections No First Flights/Flight Testing No Map Contact Builder/Owner Submit