{"airworthiness_class":"Standard","airworthiness_date":"1958-08-06","airworthiness_ops":"","category":"conventional","cert_issue_date":"2014-05-09","city":"MARION","country_code":"US","county_code":"029","cruise_speed_mph":184,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"67028","engine_horsepower":1425,"engine_maker":"WRIGHT","engine_model":"C9HD SERIES","engine_thrust_lb":0,"expiration_date":"2027-05-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-07-28","maker":"Lockheed","maker_country":null,"maker_raw":"LOCKHEED","maker_segment":null,"mfr_mdl_code":"5261642","mode_s_code":"52041176","mode_s_hex":"A8427E","model":"18-56","n_number":"N631LS","name":"HILL LAWRENCE E","num_engines":2,"other_names":"","plain_english":"N631LS is a Lockheed 18-56, a fixed-wing airplane with more than one motor with a piston engine. It has 17 seats. It is registered to an individual in Marion, Montana. The registration is valid: it was issued on May 9, 2014 and expires on May 31, 2027. It holds a standard airworthiness certificate, dated August 6, 1958.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":17,"serial_number":"2404","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3070 LOWER LOST PRAIRIE RD","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00591916","url":"https://staging.data.eflight.com/aircraft/N631LS","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"599259706"}