{"airworthiness_class":"Experimental","airworthiness_date":"2026-03-09","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2021-04-26","city":"KIRKWOOD","country_code":"US","county_code":"510","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41499","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"0-360 SERIES","engine_thrust_lb":0,"expiration_date":"2028-04-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-05-05","maker":"Derby Donald F","maker_country":null,"maker_raw":"DERBY DONALD F","maker_segment":null,"mfr_mdl_code":"89510JD","mode_s_code":"51254710","mode_s_hex":"A559C8","model":"THORP T-18","n_number":"N444DD","name":"HARDIN DONALD D TRUSTEE","num_engines":1,"other_names":"HARDIN LINDA M TRUSTEE","plain_english":"N444DD is a Derby Donald F THORP T-18, a fixed-wing airplane with one motor with a piston engine, built in 1983. It has 2 seats. It is registered to co-owned owners in Kirkwood, Missouri. The registration is valid: it was issued on April 26, 2021 and expires on April 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated March 9, 2026.","region":"Central","region_code":"3","registrant_type":"Co-owned","registrant_type_code":"4","seats":2,"serial_number":"1423","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1315 S GEYER RD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00602494","url":"https://staging.data.eflight.com/aircraft/N444DD","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1983,"zip":"631227111"}