{"airworthiness_class":"Standard","airworthiness_date":"1971-06-25","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2022-03-25","city":"CASPER","country_code":"US","county_code":"025","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":"2029-03-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-05-19","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076014","mode_s_code":"50627504","mode_s_hex":"A32F44","model":"421B","n_number":"N304MC","name":"VALIAIR LC TRUSTEE","num_engines":2,"other_names":"","plain_english":"N304MC 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 Valiair Lc Trustee, an LLC in Casper, Wyoming. The registration is valid: it was issued on March 25, 2022 and expires on March 31, 2029. It holds a standard airworthiness certificate for normal, dated June 25, 1971.","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":8,"serial_number":"421B0130","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WY","status":"Valid registration","status_code":"V","status_short":"Valid","street":"330 S CENTER ST STE 300","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00441160","url":"https://staging.data.eflight.com/aircraft/N304MC","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"826012873"}