{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2025-07-22","city":"WALNUT CREEK","country_code":"US","county_code":"013","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":"2032-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-07-22","maker":"Roman Fedorov","maker_country":null,"maker_raw":"ROMAN FEDOROV","maker_segment":null,"mfr_mdl_code":"056420R","mode_s_code":"53141366","mode_s_hex":"ACC2F6","model":"SONEX","n_number":"N921MB","name":"FEDOROV ROMAN","num_engines":1,"other_names":"","plain_english":"N921MB is a Roman Fedorov SONEX, a fixed-wing airplane with one motor with a four-stroke engine. It has 2 seats. It is registered to an individual in Walnut Creek, California. The registration is valid: it was issued on July 22, 2025 and expires on July 31, 2032. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"1375","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2111 OVERLOOK DR STE B","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01486446","url":"https://staging.data.eflight.com/aircraft/N921MB","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"945973537"}