{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2025-10-27","city":"BROKEN ARROW","country_code":"US","county_code":"143","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2032-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"AIRPLANE FACTORY INC","kit_model":"SLING TSI","last_action_date":"2025-10-27","maker":"Chapman Patrick L","maker_country":null,"maker_raw":"CHAPMAN PATRICK L","maker_segment":null,"mfr_mdl_code":"05643H0","mode_s_code":"50334573","mode_s_hex":"A1B97B","model":"SLING TSI","n_number":"N21ZU","name":"CHAPMAN PATRICK L","num_engines":1,"other_names":"","plain_english":"N21ZU is a Chapman Patrick L SLING TSI, a fixed-wing airplane with one motor with a piston engine. It has 4 seats. It is registered to an individual in Broken Arrow, Oklahoma. The registration is valid: it was issued on October 27, 2025 and expires on October 31, 2032. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"242SK","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2208 N 1ST ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01522513","url":"https://staging.data.eflight.com/aircraft/N21ZU","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"740128483"}