{"airworthiness_class":"Standard","airworthiness_date":"1964-05-16","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"1982-04-20","city":"ONTARIO","country_code":"US","county_code":"071","cruise_speed_mph":141,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17032","engine_horsepower":285,"engine_maker":"CONT MOTOR","engine_model":"IO 520 SERIES","engine_thrust_lb":0,"expiration_date":"2030-01-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-30","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2073414","mode_s_code":"51102704","mode_s_hex":"A485C4","model":"210D","n_number":"N3904Y","name":"OTTO WILLIAM R","num_engines":1,"other_names":"","plain_english":"N3904Y is a Cessna 210D, a fixed-wing airplane with one motor with a piston engine, built in 1964. It has 4 seats. It is registered to an individual in Ontario, California. The registration is valid: it was issued on April 20, 1982 and expires on January 31, 2030. It holds a standard airworthiness certificate for normal, dated May 16, 1964.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"21058404","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1441 VALENCIA PL","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00570564","url":"https://staging.data.eflight.com/aircraft/N3904Y","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1964,"zip":"917617645"}