{"airworthiness_class":"Experimental","airworthiness_date":"1984-08-16","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"","city":"LAWTON","country_code":"US","county_code":"031","cruise_speed_mph":208,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"67020","engine_horsepower":1475,"engine_maker":"WRIGHT","engine_model":"R-1820 SER","engine_thrust_lb":0,"expiration_date":"","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-01-30","maker":"North American","maker_country":null,"maker_raw":"NORTH AMERICAN","maker_segment":null,"mfr_mdl_code":"6402506","mode_s_code":"51564465","mode_s_hex":"A6E935","model":"T-28B","n_number":"N5440W","name":"REGIONAL AIR INC","num_engines":1,"other_names":"","plain_english":"N5440W is a North American T-28B, a fixed-wing airplane with one motor with a piston engine, built in 1956. It has 2 seats. It is registered to Regional Air INC, a corporation in Lawton, Oklahoma. The registration is valid: it was issued on  and expires on . It holds an experimental airworthiness certificate for exhibition, dated August 16, 1984.","region":"Southwestern","region_code":"2","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"138329","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3801 SW 82ND ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00913145","url":"https://staging.data.eflight.com/aircraft/N5440W","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1956,"zip":"735059042"}