{"airworthiness_class":"Experimental","airworthiness_date":"2011-06-06","airworthiness_ops":"Research and development; Market survey","category":"conventional","cert_issue_date":"2020-03-03","city":"MENOMONIE","country_code":"US","county_code":"033","cruise_speed_mph":94,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"42285","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"O-360-C2A","engine_thrust_lb":0,"expiration_date":"2030-03-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-10-13","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7102210","mode_s_code":"51300325","mode_s_hex":"A580D5","model":"PA-22-150","n_number":"N4539A","name":"SVENNINGSEN JOSHUA J","num_engines":1,"other_names":"SVENNINGSEN JENNIFER A","plain_english":"N4539A is a Piper PA-22-150, a fixed-wing airplane with one motor with a piston engine, built in 1956. It has 4 seats. It is registered to co-owned owners in Menomonie, Wisconsin. The registration is valid: it was issued on March 3, 2020 and expires on March 31, 2030. It holds an experimental airworthiness certificate for research and development; market survey, dated June 6, 2011.","region":"Great Lakes","region_code":"C","registrant_type":"Co-owned","registrant_type_code":"4","seats":4,"serial_number":"22-3848","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"N6710 370TH ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00372844","url":"https://staging.data.eflight.com/aircraft/N4539A","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1956,"zip":"547514826"}