{"airworthiness_class":"Experimental","airworthiness_date":"2008-11-06","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2014-06-25","city":"FORT ATKINSON","country_code":"US","county_code":"055","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"34801","engine_horsepower":120,"engine_maker":"JABIRU","engine_model":"3300","engine_thrust_lb":0,"expiration_date":"2027-06-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"SONEX AIRCRAFT LLC","kit_model":"SONEX","last_action_date":"2023-01-22","maker":"Weston Peter A","maker_country":null,"maker_raw":"WESTON PETER A","maker_segment":null,"mfr_mdl_code":"056253O","mode_s_code":"50117255","mode_s_hex":"A09EAD","model":"SONEX","n_number":"N139X","name":"WESTON PETER A","num_engines":1,"other_names":"","plain_english":"N139X is a Weston Peter A SONEX, a fixed-wing airplane with one motor with a piston engine, built in 2008. It has 2 seats. It is registered to an individual in Fort Atkinson, Wisconsin. The registration is valid: it was issued on June 25, 2014 and expires on June 30, 2027. It holds an experimental airworthiness certificate for amateur built, dated November 6, 2008.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"1066","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1003 MADISON AVE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00466969","url":"https://staging.data.eflight.com/aircraft/N139X","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2008,"zip":"535381381"}