{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2026-07-13","city":"BIG LAKE","country_code":"US","county_code":"050","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2033-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-08-06","maker":"William Crabtree","maker_country":null,"maker_raw":"WILLIAM CRABTREE","maker_segment":null,"mfr_mdl_code":"05643PS","mode_s_code":"51566025","mode_s_hex":"A6EC15","model":"WOLVERINE","n_number":"N545SF","name":"CRABTREE WILLIAM D","num_engines":1,"other_names":"","plain_english":"N545SF is a William Crabtree WOLVERINE, a fixed-wing airplane with one motor with a four-stroke engine. It has 4 seats. It is registered to an individual in Big Lake, Alaska. The registration is valid: it was issued on July 13, 2026 and expires on July 31, 2033. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Alaskan","region_code":"5","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"001","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 521056","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01541091","url":"https://staging.data.eflight.com/aircraft/N545SF","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"996521056"}