{"airworthiness_class":"Experimental","airworthiness_date":"2013-10-25","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"2024-11-19","city":"SPENCER","country_code":"US","county_code":"041","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"99999","engine_horsepower":0,"engine_maker":"AMA/EXPR","engine_model":"UNKNOWN ENG","engine_thrust_lb":0,"expiration_date":"2031-11-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2024-11-19","maker":"Yakovlev","maker_country":null,"maker_raw":"YAKOVLEV","maker_segment":null,"mfr_mdl_code":"9830220","mode_s_code":"51136746","mode_s_hex":"A4BDE6","model":"YAK 52","n_number":"N4040S","name":"DONALDSON BROS FLYING CIRCUS LLC","num_engines":1,"other_names":"","plain_english":"N4040S is a Yakovlev YAK 52, a fixed-wing airplane with one motor with a piston engine, built in 1982. It has 1 seat. It is registered to Donaldson Bros Flying Circus LLC, an LLC in Spencer, Iowa. The registration is valid: it was issued on November 19, 2024 and expires on November 30, 2031. It holds an experimental airworthiness certificate for exhibition, dated October 25, 2013.","region":"Central","region_code":"3","registrant_type":"LLC","registrant_type_code":"7","seats":1,"serial_number":"822205","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 1475","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00693764","url":"https://staging.data.eflight.com/aircraft/N4040S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1982,"zip":"513011475"}