{"airworthiness_class":"Standard","airworthiness_date":"1965-10-28","airworthiness_ops":"","category":"conventional","cert_issue_date":"2025-11-22","city":"DOWNERS GROVE","country_code":"US","county_code":"043","cruise_speed_mph":67,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"00000","engine_horsepower":0,"engine_maker":"NONE","engine_model":"NONE","engine_thrust_lb":0,"expiration_date":"2032-11-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-12-29","maker":"Schweizer","maker_country":null,"maker_raw":"SCHWEIZER","maker_segment":null,"mfr_mdl_code":"8050502","mode_s_code":"53133371","mode_s_hex":"ACB6F9","model":"SGU-1-19","n_number":"N91812","name":"SIEGFRIED THELMA J TRUSTEE","num_engines":0,"other_names":"","plain_english":"N91812 is a Schweizer SGU-1-19, a glider with no engine, built in 1946. It has 1 seat. It is registered to an individual in Downers Grove, Illinois. The registration is valid: it was issued on November 22, 2025 and expires on November 30, 2032. It holds a standard airworthiness certificate, dated October 28, 1965.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"24","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"628 86TH ST","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"None","type_engine_code":"0","unique_id":"00310921","url":"https://staging.data.eflight.com/aircraft/N91812","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1946,"zip":"605164936"}