{"airworthiness_class":"Standard","airworthiness_date":"1975-08-13","airworthiness_ops":"Normal; Utility","category":"conventional","cert_issue_date":"1998-02-25","city":"MANITOWOC","country_code":"US","county_code":"071","cruise_speed_mph":107,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41508","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"0-320 SERIES","engine_thrust_lb":0,"expiration_date":"2029-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-09","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7102802","mode_s_code":"51114405","mode_s_hex":"A49905","model":"PA-28-140","n_number":"N3959X","name":"CAVANAUGH BRIAN L","num_engines":1,"other_names":"","plain_english":"N3959X is a Piper PA-28-140, a fixed-wing airplane with one motor with a piston engine, built in 1975. It has 4 seats. It is registered to an individual in Manitowoc, Wisconsin. The registration is valid: it was issued on February 25, 1998 and expires on October 31, 2029. It holds a standard airworthiness certificate for normal; utility, dated August 13, 1975.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"28-7625001","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1412 WESTWOOD LANE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00030734","url":"https://staging.data.eflight.com/aircraft/N3959X","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1975,"zip":"54220"}