{"airworthiness_class":"Standard","airworthiness_date":"2024-07-17","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2025-06-04","city":"CORONA","country_code":"US","county_code":"065","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41899","engine_horsepower":260,"engine_maker":"LYCOMING","engine_model":"IO-540-AE1A5","engine_thrust_lb":0,"expiration_date":"2032-06-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-08-07","maker":"Robinson Helicopter","maker_country":"US","maker_raw":"ROBINSON HELICOPTER COMPANY","maker_segment":"Helicopter","mfr_mdl_code":"7640122","mode_s_code":"52632665","mode_s_hex":"AB35B5","model":"R44 II","n_number":"N821MR","name":"MTM AVIATION INC","num_engines":1,"other_names":"","plain_english":"N821MR is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2024. It has 4 seats. It is registered to Mtm Aviation INC, a corporation in Corona, California. The registration is valid: it was issued on June 4, 2025 and expires on June 30, 2032. It holds a standard airworthiness certificate for normal, dated July 17, 2024.","region":"Western-Pacific","region_code":"4","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"14764","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1140 CALIFORNIA AVE","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01447778","url":"https://staging.data.eflight.com/aircraft/N821MR","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2024,"zip":"928813324"}