{"airworthiness_class":"Standard","airworthiness_date":"2021-04-22","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2021-07-20","city":"PORT SAINT LUCIE","country_code":"US","county_code":"111","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"54185","engine_horsepower":450,"engine_maker":"ROLLS-ROYC","engine_model":"250-C20R/2","engine_thrust_lb":0,"expiration_date":"2028-07-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-05-26","maker":"Mcdonnell Douglas Helicopter","maker_country":null,"maker_raw":"MCDONNELL DOUGLAS HELICOPTER","maker_segment":null,"mfr_mdl_code":"3027374","mode_s_code":"51505046","mode_s_hex":"A68A26","model":"500N","n_number":"N520NM","name":"WILLARD DEVELOPMENT INC","num_engines":1,"other_names":"","plain_english":"N520NM is a Mcdonnell Douglas Helicopter 500N, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1992. It has 4 seats. It is registered to Willard Development INC, a corporation in Port Saint Lucie, Florida. The registration is valid: it was issued on July 20, 2021 and expires on July 31, 2028. It holds a standard airworthiness certificate for normal, dated April 22, 2021.","region":"Southern","region_code":"7","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"LN021","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"FL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1860 SW FOUNTAINVIEW BLVD STE 100","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00553902","url":"https://staging.data.eflight.com/aircraft/N520NM","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1992,"zip":"349864528"}