{"airworthiness_class":"Experimental","airworthiness_date":"1998-10-08","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"1995-10-11","city":"OWLS HEAD","country_code":"US","county_code":"013","cruise_speed_mph":null,"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":"2029-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2024-06-10","maker":"Fokker","maker_country":null,"maker_raw":"FOKKER","maker_segment":null,"mfr_mdl_code":"3630556","mode_s_code":"51242424","mode_s_hex":"A54514","model":"FOKKER C-4","n_number":"N439FK","name":"OWLS HEAD TRANSPORTATION MUSEUM","num_engines":1,"other_names":"","plain_english":"N439FK is a Fokker FOKKER C-4, a fixed-wing airplane with one motor with a piston engine, built in 1923. It has 4 seats. It is registered to Owls Head Transportation Museum, a corporation in Owls Head, Maine. The registration is valid: it was issued on October 11, 1995 and expires on January 31, 2029. It holds an experimental airworthiness certificate for exhibition, dated October 8, 1998.","region":"New England","region_code":"E","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"4127","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"ME","status":"Valid registration","status_code":"V","status_short":"Valid","street":"117 MUSEUM STREET","street2":"PO BOX 227","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00912314","url":"https://staging.data.eflight.com/aircraft/N439FK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1923,"zip":"048540227"}