{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"drone","cert_issue_date":"2025-04-27","city":"MIAMISBURG","country_code":"US","county_code":"113","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2032-04-30","fractional_owner":0,"is_company":1,"is_electric":1,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-04-27","maker":"Cornerstone Research Group Inc","maker_country":null,"maker_raw":"CORNERSTONE RESEARCH GROUP INC","maker_segment":null,"mfr_mdl_code":"06102KA","mode_s_code":"51263477","mode_s_hex":"A5673F","model":"E1288S","n_number":"N4472C","name":"CORNERSTONE RESEARCH GROUP INC","num_engines":6,"other_names":"","plain_english":"N4472C is a Cornerstone Research Group Inc E1288S, a rotorcraft powered by electric motors (a helicopter or multicopter). It is unmanned. It is registered to Cornerstone Research Group INC, a corporation in Miamisburg, Ohio. The registration is valid: it was issued on April 27, 2025 and expires on April 30, 2032. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":0,"serial_number":"1792C0000000000B2","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OH","status":"Valid registration","status_code":"V","status_short":"Valid","street":"8821 WASHINGTON CHURCH RD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Electric","type_engine_code":"10","unique_id":"01495180","url":"https://staging.data.eflight.com/aircraft/N4472C","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"453424449"}