{"airworthiness_class":"Experimental","airworthiness_date":"2025-09-10","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2025-07-23","city":"SIOUX FALLS","country_code":"US","county_code":"099","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"59690","engine_horsepower":180,"engine_maker":"TITAN","engine_model":"IO-340","engine_thrust_lb":0,"expiration_date":"2032-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"RANS DESIGNS INC","kit_model":"S-21 OUTBOUND","last_action_date":"2025-07-23","maker":"Bryan Ferwerda","maker_country":null,"maker_raw":"BRYAN FERWERDA","maker_segment":null,"mfr_mdl_code":"056426M","mode_s_code":"51177565","mode_s_hex":"A4FF75","model":"S21 OUTBACK","n_number":"N421BF","name":"FERWERDA BRYAN R","num_engines":1,"other_names":"","plain_english":"N421BF is a Bryan Ferwerda S21 OUTBACK, a fixed-wing airplane with one motor with a piston engine, built in 2025. It has 2 seats. It is registered to an individual in Sioux Falls, South Dakota. The registration is valid: it was issued on July 23, 2025 and expires on July 31, 2032. It holds an experimental airworthiness certificate for amateur built, dated September 10, 2025.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"03240374","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"SD","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3025 W 90TH ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01483972","url":"https://staging.data.eflight.com/aircraft/N421BF","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2025,"zip":"571086275"}