{"airworthiness_class":"Experimental","airworthiness_date":"2014-05-10","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2025-02-15","city":"URBANDALE","country_code":"US","county_code":"153","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"01401","engine_horsepower":80,"engine_maker":"AEROCONVER","engine_model":"AEROVEE","engine_thrust_lb":0,"expiration_date":"2032-02-29","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"SONEX AIRCRAFT LLC","kit_model":"ONEX","last_action_date":"2025-02-15","maker":"Sievila Loren G","maker_country":null,"maker_raw":"SIEVILA LOREN G","maker_segment":null,"mfr_mdl_code":"05632H2","mode_s_code":"50715000","mode_s_hex":"A39A00","model":"ONEX","n_number":"N331EX","name":"VERSTEEG MATTHEW JACKSON","num_engines":1,"other_names":"","plain_english":"N331EX is a Sievila Loren G ONEX, a fixed-wing airplane with one motor with a four-stroke engine, built in 2014. It has 1 seat. It is registered to an individual in Urbandale, Iowa. The registration is valid: it was issued on February 15, 2025 and expires on February 29, 2032. It holds an experimental airworthiness certificate for amateur built, dated May 10, 2014.","region":"Central","region_code":"3","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"ONX0033","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"7007 HORTON AVE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01116586","url":"https://staging.data.eflight.com/aircraft/N331EX","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2014,"zip":"503222622"}