{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2018-11-27","city":"FAIRHOPE","country_code":"US","county_code":"003","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":"2028-11-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-06-23","maker":"Mikoyan Gurevich","maker_country":null,"maker_raw":"MIKOYAN GUREVICH","maker_segment":null,"mfr_mdl_code":"056037S","mode_s_code":"53141657","mode_s_hex":"ACC3AF","model":"MIG 21 UM","n_number":"N921UM","name":"L-29 HOLDINGS LLC","num_engines":1,"other_names":"","plain_english":"N921UM is a Mikoyan Gurevich MIG 21 UM, a fixed-wing airplane with one motor with turbojet engines. It has 1 seat. It is registered to L-29 Holdings LLC, an LLC in Fairhope, Alabama. The registration is valid: it was issued on November 27, 2018 and expires on November 30, 2028. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Southern","region_code":"7","registrant_type":"LLC","registrant_type_code":"7","seats":1,"serial_number":"516979001","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"157 PEMBERTON LOOP","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Turbojet","type_engine_code":"4","unique_id":"00435849","url":"https://staging.data.eflight.com/aircraft/N921UM","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"365327068"}