{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2023-01-05","city":"SPICEWOOD","country_code":"US","county_code":"053","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":"2030-01-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"SPORT PERFORMANCE AVIATION LLC","kit_model":"PANTHER TRI-GEAR","last_action_date":"2023-09-29","maker":"Kiedrowski Mark A","maker_country":null,"maker_raw":"KIEDROWSKI MARK A","maker_segment":null,"mfr_mdl_code":"05641HS","mode_s_code":"50054206","mode_s_hex":"A05886","model":"PANTHER TRI-GEAR","n_number":"N121MK","name":"KIEDROWSKI MARK A","num_engines":1,"other_names":"","plain_english":"N121MK is a Kiedrowski Mark A PANTHER TRI-GEAR, a fixed-wing airplane with one motor with a piston engine. It has 1 seat. It is registered to an individual in Spicewood, Texas. The registration is valid: it was issued on January 5, 2023 and expires on January 31, 2030. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"121","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"TX","status":"Valid registration","status_code":"V","status_short":"Valid","street":"4035 BEE CREEK RD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01388810","url":"https://staging.data.eflight.com/aircraft/N121MK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"786696777"}