{"airworthiness_class":"Experimental","airworthiness_date":"1992-08-03","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"1991-07-08","city":"MAUSTON","country_code":"US","county_code":"057","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"09050","engine_horsepower":0,"engine_maker":"BOMBARDIER","engine_model":"ROTAX (ALL)","engine_thrust_lb":0,"expiration_date":"2028-01-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-04-14","maker":"Shuman D J/Shuman D A","maker_country":null,"maker_raw":"SHUMAN D J/SHUMAN D A","maker_segment":null,"mfr_mdl_code":"05676PT","mode_s_code":"51204500","mode_s_hex":"A50940","model":"CHALLENGER","n_number":"N4231A","name":"SHUMAN DONALD J","num_engines":1,"other_names":"SHUMAN DEBORAH A","plain_english":"N4231A is a Shuman D J/Shuman D A CHALLENGER, a fixed-wing airplane with one motor with a piston engine, built in 1992. It has 2 seats. It is registered to co-owned owners in Mauston, Wisconsin. The registration is valid: it was issued on July 8, 1991 and expires on January 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated August 3, 1992.","region":"Great Lakes","region_code":"C","registrant_type":"Co-owned","registrant_type_code":"4","seats":2,"serial_number":"CH 20569","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"924 STEWART CT","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00205341","url":"https://staging.data.eflight.com/aircraft/N4231A","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1992,"zip":"539481665"}