{"airworthiness_class":"Standard","airworthiness_date":"2001-08-20","airworthiness_ops":"Normal; Utility","category":"conventional","cert_issue_date":"2011-08-11","city":"BLAINE","country_code":"US","county_code":"053","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41515","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"I0360 SER","engine_thrust_lb":0,"expiration_date":"2027-08-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-10","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2072439","mode_s_code":"51506431","mode_s_hex":"A68D19","model":"172S","n_number":"N521ER","name":"521ER LLC","num_engines":1,"other_names":"","plain_english":"N521ER is a Cessna 172S, a fixed-wing airplane with one motor with a piston engine, built in 2001. It has 4 seats. It is registered to 521Er LLC, an LLC in Blaine, Minnesota. The registration is valid: it was issued on August 11, 2011 and expires on August 31, 2027. It holds a standard airworthiness certificate for normal; utility, dated August 20, 2001.","region":"Great Lakes","region_code":"C","registrant_type":"LLC","registrant_type_code":"7","seats":4,"serial_number":"172S8924","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MN","status":"Valid registration","status_code":"V","status_short":"Valid","street":"C/O TWIN CITIES FLIGHT TRAINING","street2":"8891 AIRPORT RD NE A12","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00073954","url":"https://staging.data.eflight.com/aircraft/N521ER","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2001,"zip":"55449"}