{"airworthiness_class":"Light sport","airworthiness_date":"2006-01-12","airworthiness_ops":"Airplane","category":"conventional","cert_issue_date":"2024-01-09","city":"SIOUX FALLS","country_code":"US","county_code":"099","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"55555","engine_horsepower":0,"engine_maker":"ROTAX","engine_model":"SEE BOMBADIER","engine_thrust_lb":0,"expiration_date":"2031-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":1,"kit_mfr":"","kit_model":"","last_action_date":"2024-10-17","maker":"Flight Design Gmbh","maker_country":null,"maker_raw":"FLIGHT DESIGN GMBH","maker_segment":null,"mfr_mdl_code":"0600001","mode_s_code":"52076231","mode_s_hex":"A87C99","model":"CTSW","n_number":"N646MA","name":"KEN GRAHAM PHD INC","num_engines":1,"other_names":"","plain_english":"N646MA is a Flight Design Gmbh CTSW, a fixed-wing airplane with one motor with a four-stroke engine, built in 2005. It has 2 seats. It is registered to Ken Graham Phd INC, a corporation in Sioux Falls, South Dakota. The registration is valid: it was issued on January 9, 2024 and expires on January 31, 2031. It holds a light sport airworthiness certificate for airplane, dated January 12, 2006.","region":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"05-11-07","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"SD","status":"Valid registration","status_code":"V","status_short":"Valid","street":"832 HIGHLINE PLACE STE 104","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"00223949","url":"https://staging.data.eflight.com/aircraft/N646MA","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2005,"zip":"57110"}