{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2015-03-18","city":"FALL CITY","country_code":"US","county_code":"033","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2028-03-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"SONEX AIRCRAFT LLC","kit_model":"ONEX","last_action_date":"2023-04-28","maker":"Knutson David J","maker_country":null,"maker_raw":"KNUTSON DAVID J","maker_segment":null,"mfr_mdl_code":"056335O","mode_s_code":"52134775","mode_s_hex":"A8B9FD","model":"ONEX","n_number":"N661X","name":"KNUTSON DAVID J","num_engines":1,"other_names":"","plain_english":"N661X is a Knutson David J ONEX, a fixed-wing airplane with one motor with a piston engine, built in 2015. It has 1 seat. It is registered to an individual in Fall City, Washington. The registration is valid: it was issued on March 18, 2015 and expires on March 31, 2028. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"ONX0140","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"36016 SE 49TH ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01172900","url":"https://staging.data.eflight.com/aircraft/N661X","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2015,"zip":"980249714"}