{"airworthiness_class":"Standard","airworthiness_date":"2015-01-23","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2021-05-05","city":"OAKBROOK TERRACE","country_code":"US","county_code":"043","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"54073","engine_horsepower":0,"engine_maker":"ROLLS-ROYC","engine_model":"TAY 611-8C","engine_thrust_lb":13850,"expiration_date":"2028-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-08-01","maker":"Gulfstream Aerospace","maker_country":null,"maker_raw":"GULFSTREAM AEROSPACE","maker_segment":null,"mfr_mdl_code":"3980205","mode_s_code":"51154334","mode_s_hex":"A4D8DC","model":"GIV-X (G450)","n_number":"N411LL","name":"GLEN HILL SKY LLC","num_engines":2,"other_names":"","plain_english":"N411LL is a Gulfstream Aerospace GIV-X (G450), a fixed-wing airplane with more than one motor with turbofan engines, built in 2015. It has 22 seats. It is registered to Glen Hill Sky LLC, an LLC in Oakbrook Terrace, Illinois. The registration is valid: it was issued on May 5, 2021 and expires on May 31, 2028. It holds a standard airworthiness certificate for transport, dated January 23, 2015.","region":"Great Lakes","region_code":"C","registrant_type":"LLC","registrant_type_code":"7","seats":22,"serial_number":"4329","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1 TOWER LN STE 2450","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"01141467","url":"https://staging.data.eflight.com/aircraft/N411LL","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2015,"zip":"601814639"}