{"airworthiness_class":"Standard","airworthiness_date":"1996-10-03","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2018-12-21","city":"WILMINGTON","country_code":"US","county_code":"003","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"29001","engine_horsepower":0,"engine_maker":"GARRETT","engine_model":"TFE731 SERIES","engine_thrust_lb":3500,"expiration_date":"2028-12-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-07-01","maker":"Dassault Aviation","maker_country":null,"maker_raw":"DASSAULT AVIATION","maker_segment":null,"mfr_mdl_code":"2730172","mode_s_code":"51445156","mode_s_hex":"A64A6E","model":"MYSTERE FALCON 900","n_number":"N504ST","name":"SDT AIR DELAWARE LLC","num_engines":3,"other_names":"","plain_english":"N504ST is a Dassault Aviation MYSTERE FALCON 900, a fixed-wing airplane with more than one motor with turbofan engines, built in 1996. It has 12 seats. It is registered to Sdt Air Delaware LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on December 21, 2018 and expires on December 31, 2028. It holds a standard airworthiness certificate for transport, dated October 3, 1996.","region":"Eastern","region_code":"1","registrant_type":"LLC","registrant_type_code":"7","seats":12,"serial_number":"162","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"DE","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1209 N ORANGE ST","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00306101","url":"https://staging.data.eflight.com/aircraft/N504ST","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1996,"zip":"198011120"}