{"airworthiness_class":"Standard","airworthiness_date":"1981-12-02","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2019-03-20","city":"WILMINGTON","country_code":"US","county_code":"003","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":"2029-03-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-10-03","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076016","mode_s_code":"51200655","mode_s_hex":"A501AD","model":"421C","n_number":"N421ZZ","name":"421ZZ LLC","num_engines":2,"other_names":"","plain_english":"N421ZZ is a Cessna 421C, a fixed-wing airplane with more than one motor with a piston engine. It has 8 seats. It is registered to 421Zz LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on March 20, 2019 and expires on March 31, 2029. It holds a standard airworthiness certificate for normal, dated December 2, 1981.","region":"Eastern","region_code":"1","registrant_type":"LLC","registrant_type_code":"7","seats":8,"serial_number":"421C1220","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"DE","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3511 SILVERSIDE RD","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00823472","url":"https://staging.data.eflight.com/aircraft/N421ZZ","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"198104902"}