{"airworthiness_class":"Standard","airworthiness_date":"1974-11-08","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"","city":"SONOMA","country_code":"US","county_code":"097","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":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-09-09","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076014","mode_s_code":"51177653","mode_s_hex":"A4FFAB","model":"421B","n_number":"N421DK","name":"REGISTRATION PENDING","num_engines":2,"other_names":"","plain_english":"N421DK is a Cessna 421B, a fixed-wing airplane with more than one motor with a piston engine, built in 1974. It has 8 seats. It is registered to an individual in Sonoma, California. The FAA lists the registration as \"registration pending\". It holds a standard airworthiness certificate for normal, dated November 8, 1974.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":8,"serial_number":"421B0825","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Registration pending","status_code":"R","status_short":"Pending","street":"186 BLUE WING DR","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00661422","url":"https://staging.data.eflight.com/aircraft/N421DK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1974,"zip":"954765720"}