{"airworthiness_class":"Experimental","airworthiness_date":"1994-08-17","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"1994-02-02","city":"SWARTZ CREEK","country_code":"US","county_code":"049","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":"2029-08-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-08-25","maker":"Knoll Richard J","maker_country":null,"maker_raw":"KNOLL RICHARD J","maker_segment":null,"mfr_mdl_code":"05624AG","mode_s_code":"53141066","mode_s_hex":"ACC236","model":"KITFOX IV","n_number":"N921DK","name":"KNOLL RICHARD J","num_engines":1,"other_names":"","plain_english":"N921DK is a Knoll Richard J KITFOX IV, a fixed-wing airplane with one motor with a piston engine, built in 1994. It has 2 seats. It is registered to an individual in Swartz Creek, Michigan. The registration is valid: it was issued on February 2, 1994 and expires on August 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated August 17, 1994.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"1401","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"10067 MORRISH RD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00624512","url":"https://staging.data.eflight.com/aircraft/N921DK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1994,"zip":"484739127"}