{"airworthiness_class":"Standard","airworthiness_date":"2025-09-09","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2026-04-30","city":"HOWELL","country_code":"US","county_code":"093","cruise_speed_mph":112,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"30129","engine_horsepower":1400,"engine_maker":"GE","engine_model":"CT58-140-2","engine_thrust_lb":0,"expiration_date":"2033-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-04-30","maker":"Sikorsky","maker_country":null,"maker_raw":"SIKORSKY","maker_segment":null,"mfr_mdl_code":"8142104","mode_s_code":"53077102","mode_s_hex":"AC7E42","model":"S-61N","n_number":"N904CH","name":"CONSTRUCTION HELICOPTERS LLC","num_engines":2,"other_names":"","plain_english":"N904CH is a Sikorsky S-61N, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1977. It has 28 seats. It is registered to Construction Helicopters LLC, an LLC in Howell, Michigan. The registration is valid: it was issued on April 30, 2026 and expires on April 30, 2033. It holds a standard airworthiness certificate for transport, dated September 9, 2025.","region":"Great Lakes","region_code":"C","registrant_type":"LLC","registrant_type_code":"7","seats":28,"serial_number":"61777","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3679 BOWEN RD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"01277590","url":"https://staging.data.eflight.com/aircraft/N904CH","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1977,"zip":"488557755"}