{"airworthiness_class":"Standard","airworthiness_date":"2020-10-06","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2024-10-17","city":"","country_code":"","county_code":"","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41585","engine_horsepower":260,"engine_maker":"LYCOMING","engine_model":"IO 540 SER","engine_thrust_lb":0,"expiration_date":"2031-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2024-10-17","maker":"Robinson Helicopter","maker_country":"US","maker_raw":"ROBINSON HELICOPTER COMPANY","maker_segment":"Helicopter","mfr_mdl_code":"7640122","mode_s_code":"50054417","mode_s_hex":"A0590F","model":"R44 II","n_number":"N121SX","name":"","num_engines":1,"other_names":"","plain_english":"N121SX is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2018. It has 4 seats. It is registered to an owner whose details are withheld at their request. The registration is valid: it was issued on October 17, 2024 and expires on October 31, 2031. It holds a standard airworthiness certificate for normal, dated October 6, 2020.","region":"","region_code":"","registrant_type":"Individual","registrant_type_code":"1","seats":4,"serial_number":"14147","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"","status":"Valid registration","status_code":"V","status_short":"Valid","street":"","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01265261","url":"https://staging.data.eflight.com/aircraft/N121SX","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2018,"zip":""}