{"airworthiness_class":"Experimental","airworthiness_date":"1988-07-22","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2020-07-09","city":"WEST YELLOWSTONE","country_code":"US","county_code":"031","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"09050","engine_horsepower":0,"engine_maker":"BOMBARDIER","engine_model":"ROTAX (ALL)","engine_thrust_lb":0,"expiration_date":"2027-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-04","maker":"Stirling Fred","maker_country":null,"maker_raw":"STIRLING FRED","maker_segment":null,"mfr_mdl_code":"05612XH","mode_s_code":"50334343","mode_s_hex":"A1B8E3","model":"KITFOX","n_number":"N21TS","name":"STUBBLEFIELD MATTHEW K","num_engines":1,"other_names":"","plain_english":"N21TS is a Stirling Fred KITFOX, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in West Yellowstone, Montana. The registration is valid: it was issued on July 9, 2020 and expires on July 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated July 22, 1988.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"178","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 2136","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00944211","url":"https://staging.data.eflight.com/aircraft/N21TS","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"597582136"}