{"airworthiness_class":"Standard","airworthiness_date":"1981-06-29","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2008-09-24","city":"SANTA ROSA","country_code":"US","county_code":"097","cruise_speed_mph":90,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17039","engine_horsepower":435,"engine_maker":"CONT MOTOR","engine_model":"GTSIO-520 SER","engine_thrust_lb":0,"expiration_date":"2028-04-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-05-05","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076016","mode_s_code":"52623436","mode_s_hex":"AB271E","model":"421C","n_number":"N818AK","name":"WHIRLEY ROBERT G","num_engines":2,"other_names":"","plain_english":"N818AK is a Cessna 421C, a fixed-wing airplane with more than one motor with a piston engine, built in 1981. It has 8 seats. It is registered to an individual in Santa Rosa, California. The registration is valid: it was issued on September 24, 2008 and expires on April 30, 2028. It holds a standard airworthiness certificate for normal, dated June 29, 1981.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":8,"serial_number":"421C1085","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3709 PAXTON PL","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00960743","url":"https://staging.data.eflight.com/aircraft/N818AK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1981,"zip":"954047602"}