{"airworthiness_class":"Experimental","airworthiness_date":"2021-11-15","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2020-12-07","city":"TUTTLE","country_code":"US","county_code":"051","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"52552","engine_horsepower":65,"engine_maker":"REVMASTER","engine_model":"2100D","engine_thrust_lb":0,"expiration_date":"2027-12-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-04-07","maker":"Williams John J","maker_country":null,"maker_raw":"WILLIAMS JOHN J","maker_segment":null,"mfr_mdl_code":"05639UV","mode_s_code":"50030600","mode_s_hex":"A03180","model":"WILLIAMS CX4","n_number":"N111SF","name":"WILLIAMS JOHN J","num_engines":1,"other_names":"","plain_english":"N111SF is a Williams John J WILLIAMS CX4, a fixed-wing airplane with one motor with a piston engine, built in 2021. It has 1 seat. It is registered to an individual in Tuttle, Oklahoma. The registration is valid: it was issued on December 7, 2020 and expires on December 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated November 15, 2021.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"146-X","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1028 COUNTY STREET 2939","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01329804","url":"https://staging.data.eflight.com/aircraft/N111SF","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2021,"zip":"730893034"}