{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2005-05-24","city":"READING","country_code":"US","county_code":"011","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":"2030-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-10-20","maker":"Tierney","maker_country":null,"maker_raw":"TIERNEY","maker_segment":null,"mfr_mdl_code":"05608B9","mode_s_code":"51432005","mode_s_hex":"A63405","model":"TAYLOR MONOPLANE JT1","n_number":"N4991C","name":"MID ATLANTIC AIR MUSEUM","num_engines":1,"other_names":"","plain_english":"N4991C is a Tierney TAYLOR MONOPLANE JT1, a fixed-wing airplane with one motor with a piston engine. It has 1 seat. It is registered to Mid Atlantic Air Museum, a corporation in Reading, Pennsylvania. The registration is valid: it was issued on May 24, 2005 and expires on April 30, 2030. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Eastern","region_code":"1","registrant_type":"Corporation","registrant_type_code":"3","seats":1,"serial_number":"JT1/89","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"PA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"11 MUSEUM RD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00510815","url":"https://staging.data.eflight.com/aircraft/N4991C","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"196059407"}