{"airworthiness_class":"Standard","airworthiness_date":"2008-11-13","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":"2026-10-02","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,"kind":"helicopters","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":"52302061","mode_s_hex":"A98431","model":"S-61N","n_number":"N712HG","name":"CONSTRUCTION HELICOPTERS LLC","ntsb_checked":true,"ntsb_records":[],"num_engines":2,"other_names":"","plain_english":"N712HG is a Sikorsky S-61N, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1973. 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 November 13, 2008.","records_check":[{"finding":"Valid registration to Construction Helicopters LLC, an LLC, certificate issued April 30, 2026, expires April 30, 2033. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated November 13, 2008, 35 years after the 1973 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains.","item":"Airworthiness certificate date","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 61712 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N712HG according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"No NTSB investigation records located under N712HG. CLEAR means the query ran and returned nothing, not that nothing ever happened.","item":"Accident and incident record","source":4,"status":"CLEAR"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Great Lakes","region_code":"C","registrant_type":"LLC","registrant_type_code":"7","seats":28,"serial_number":"61712","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":"01016337","url":"https://eflight.com/aircraft/N712HG","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1973,"zip":"488557755"}