{"airworthiness_class":"Experimental","airworthiness_date":"1979-04-18","airworthiness_ops":"Racing","category":"conventional","cert_issue_date":"1991-05-09","city":"ST JOSEPH","country_code":"US","county_code":"021","cruise_speed_mph":93,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"52016","engine_horsepower":600,"engine_maker":"P&W","engine_model":"R1340 SERIES","engine_thrust_lb":0,"expiration_date":"2027-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-01-22","maker":"Boeing","maker_country":null,"maker_raw":"BOEING","maker_segment":null,"mfr_mdl_code":"1380122","mode_s_code":"50054340","mode_s_hex":"A058E0","model":"PT-13D","n_number":"N121R","name":"HERZOG CONTRACTING CORP","num_engines":1,"other_names":"","plain_english":"N121R is a Boeing PT-13D, a fixed-wing airplane with one motor with a piston engine, built in 1943. It has 2 seats. It is registered to Herzog Contracting CORP, a corporation in St Joseph, Missouri. The registration is valid: it was issued on May 9, 1991 and expires on May 31, 2027. It holds an experimental airworthiness certificate for racing, dated April 18, 1979.","region":"Central","region_code":"3","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"75-5510","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"600 S RIVERSIDE RD PO BOX 1089","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00600400","url":"https://staging.data.eflight.com/aircraft/N121R","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1943,"zip":"64502"}