{"airworthiness_class":"Standard","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"1995-05-02","city":"SAND SPRINGS","country_code":"US","county_code":"143","cruise_speed_mph":126,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17014","engine_horsepower":205,"engine_maker":"CONT MOTOR","engine_model":"E185 SERIES","engine_thrust_lb":0,"expiration_date":"2027-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-05-17","maker":"North American","maker_country":null,"maker_raw":"NORTH AMERICAN","maker_segment":null,"mfr_mdl_code":"6150130","mode_s_code":"51133654","mode_s_hex":"A4B7AC","model":"NAVION","n_number":"N4029K","name":"CAMPBELLL WILLIAM JR T","num_engines":1,"other_names":"","plain_english":"N4029K is a North American NAVION, a fixed-wing airplane with one motor with a piston engine, built in 1947. It has 4 seats. It is registered to an individual in Sand Springs, Oklahoma. The registration is valid: it was issued on May 2, 1995 and expires on July 31, 2027. It holds a standard airworthiness certificate.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"NAV-4-1029","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"721 N WALNUT CREEK DR","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00911074","url":"https://staging.data.eflight.com/aircraft/N4029K","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1947,"zip":"740635728"}