{"airworthiness_class":"Experimental","airworthiness_date":"1999-10-14","airworthiness_ops":"Racing; Exhibition","category":"conventional","cert_issue_date":"2025-10-17","city":"BROWNSBORO","country_code":"US","county_code":"089","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2032-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-10-17","maker":"As+ Ltd","maker_country":null,"maker_raw":"AS+ LTD","maker_segment":null,"mfr_mdl_code":"05628R1","mode_s_code":"50117131","mode_s_hex":"A09E59","model":"AC 4","n_number":"N139TR","name":"HUNTSVILLE SOARING ASSOCIATION","num_engines":0,"other_names":"","plain_english":"N139TR is an As+ Ltd AC 4, a glider with no engine, built in 1999. It has 1 seat. It is registered to Huntsville Soaring Association, a corporation in Brownsboro, Alabama. The registration is valid: it was issued on October 17, 2025 and expires on October 31, 2032. It holds an experimental airworthiness certificate for racing; exhibition, dated October 14, 1999.","region":"Southern","region_code":"7","registrant_type":"Corporation","registrant_type_code":"3","seats":1,"serial_number":"39","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"200 AIRPORT DR","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"None","type_engine_code":"0","unique_id":"00305922","url":"https://staging.data.eflight.com/aircraft/N139TR","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1999,"zip":"357419402"}