{"airworthiness_class":"Experimental","airworthiness_date":"1978-06-05","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"1996-05-20","city":"O FALLON","country_code":"US","county_code":"183","cruise_speed_mph":87,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41506","engine_horsepower":140,"engine_maker":"LYCOMING","engine_model":"0-290 SERIES","engine_thrust_lb":0,"expiration_date":"2027-05-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-01-22","maker":"Henderson-Doherty-Mueller","maker_country":null,"maker_raw":"HENDERSON-DOHERTY-MUELLER","maker_segment":null,"mfr_mdl_code":"86505VN","mode_s_code":"52425734","mode_s_hex":"AA2BDC","model":"STITTS SA7D","n_number":"N7544U","name":"DOHERTY DAVID W","num_engines":1,"other_names":"DOHERTY WILLIAM S","plain_english":"N7544U is a Henderson-Doherty-Mueller STITTS SA7D, a fixed-wing airplane with one motor with a piston engine, built in 1969. It has 2 seats. It is registered to co-owned owners in O Fallon, Missouri. The registration is valid: it was issued on May 20, 1996 and expires on May 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated June 5, 1978.","region":"Central","region_code":"3","registrant_type":"Co-owned","registrant_type_code":"4","seats":2,"serial_number":"484","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1142 WATER VIEW LN","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00842797","url":"https://staging.data.eflight.com/aircraft/N7544U","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1969,"zip":"633661476"}