{"airworthiness_class":"Experimental","airworthiness_date":"2026-05-14","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2026-04-29","city":"SEATTLE","country_code":"US","county_code":"033","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"09004","engine_horsepower":260,"engine_maker":"BARRETT","engine_model":"IO-540-X","engine_thrust_lb":0,"expiration_date":"2033-04-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"VANS AIRCRAFT INC","kit_model":"RV-10","last_action_date":"2026-04-29","maker":"Christopher Seto","maker_country":null,"maker_raw":"CHRISTOPHER SETO","maker_segment":null,"mfr_mdl_code":"05643Q7","mode_s_code":"52633237","mode_s_hex":"AB369F","model":"RV10","n_number":"N821X","name":"SETO CHRISTOPHER S","num_engines":1,"other_names":"","plain_english":"N821X is a Christopher Seto RV10, a fixed-wing airplane with one motor with a piston engine, built in 2026. It has 4 seats. It is registered to an individual in Seattle, Washington. The registration is valid: it was issued on April 29, 2026 and expires on April 30, 2033. It holds an experimental airworthiness certificate for amateur built, dated May 14, 2026.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"43115","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1800 EASTLAKE AVE E APT 306","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01555573","url":"https://staging.data.eflight.com/aircraft/N821X","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2026,"zip":"981023787"}