{"airworthiness_class":"Standard","airworthiness_date":"1964-09-25","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2001-05-14","city":"MIDDLE RIVER","country_code":"US","county_code":"005","cruise_speed_mph":210,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"99999","engine_horsepower":0,"engine_maker":"AMA/EXPR","engine_model":"UNKNOWN ENG","engine_thrust_lb":0,"expiration_date":"2027-07-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-04","maker":"Martin","maker_country":null,"maker_raw":"MARTIN","maker_segment":null,"mfr_mdl_code":"5450702","mode_s_code":"50475175","mode_s_hex":"A27A7D","model":"404","n_number":"N259S","name":"GLENN L MARTIN AVIATION MUSEUM INC","num_engines":2,"other_names":"","plain_english":"N259S is a Martin 404, a fixed-wing airplane with more than one motor with a piston engine, built in 1964. It has 52 seats. It is registered to Glenn L Martin Aviation Museum INC, a corporation in Middle River, Maryland. The registration is valid: it was issued on May 14, 2001 and expires on July 31, 2027. It holds a standard airworthiness certificate for normal, dated September 25, 1964.","region":"Eastern","region_code":"1","registrant_type":"Corporation","registrant_type_code":"3","seats":52,"serial_number":"14233","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MD","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 5024","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00133262","url":"https://staging.data.eflight.com/aircraft/N259S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1964,"zip":"212200024"}