{"airworthiness_class":"Standard","airworthiness_date":"1975-08-07","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"","city":"TWO BUTTES","country_code":"US","county_code":"009","cruise_speed_mph":172,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17035","engine_horsepower":340,"engine_maker":"CONT MOTOR","engine_model":"GTSIO-520-C","engine_thrust_lb":0,"expiration_date":"","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-08","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076014","mode_s_code":"51200025","mode_s_hex":"A50015","model":"421B","n_number":"N421HR","name":"RONS AIR SERVICE INC","num_engines":2,"other_names":"","plain_english":"N421HR is a Cessna 421B, a fixed-wing airplane with more than one motor with a piston engine. It has 8 seats. It is registered to Rons Air Service INC, a corporation in Two Buttes, Colorado. The registration is valid: it was issued on  and expires on . It holds a standard airworthiness certificate for normal, dated August 7, 1975.","region":"Northwest Mountain","region_code":"S","registrant_type":"Corporation","registrant_type_code":"3","seats":8,"serial_number":"421B0945","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 12","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00202985","url":"https://staging.data.eflight.com/aircraft/N421HR","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"810840012"}