{"airworthiness_class":"Experimental","airworthiness_date":"2013-11-26","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"2017-11-02","city":"SANTA MONICA","country_code":"US","county_code":"037","cruise_speed_mph":141,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"52016","engine_horsepower":600,"engine_maker":"P&W","engine_model":"R1340 SERIES","engine_thrust_lb":0,"expiration_date":"2027-11-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-04-01","maker":"North American","maker_country":null,"maker_raw":"NORTH AMERICAN","maker_segment":null,"mfr_mdl_code":"6400430","mode_s_code":"50243340","mode_s_hex":"A146E0","model":"HARVARD 4","n_number":"N1811B","name":"ONAERO INC","num_engines":1,"other_names":"","plain_english":"N1811B is a North American HARVARD 4, a fixed-wing airplane with one motor with a piston engine, built in 1952. It has 2 seats. It is registered to Onaero INC, a corporation in Santa Monica, California. The registration is valid: it was issued on November 2, 2017 and expires on November 30, 2027. It holds an experimental airworthiness certificate for exhibition, dated November 26, 2013.","region":"Western-Pacific","region_code":"4","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"20247","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2201 MARINE ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00154651","url":"https://staging.data.eflight.com/aircraft/N1811B","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1952,"zip":"904056041"}