{"airworthiness_class":"Standard","airworthiness_date":"2011-08-08","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2018-01-09","city":"LAKE CHARLES","country_code":"US","county_code":"019","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"52174","engine_horsepower":1679,"engine_maker":"P&W CANADA","engine_model":"PT6C-67C","engine_thrust_lb":0,"expiration_date":"2028-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2026-05-05","maker":"Agustawestland Philadelphia","maker_country":null,"maker_raw":"AGUSTAWESTLAND PHILADELPHIA","maker_segment":null,"mfr_mdl_code":"0260400","mode_s_code":"52607275","mode_s_hex":"AB0EBD","model":"AW139","n_number":"N811TA","name":"BRISTOW LLC","ntsb_checked":true,"ntsb_records":[{"city":"Houma","damage":"SUBS","date":"2022-09-24","highest_injury":"NONE","ntsb_no":"CEN22LA430","probable_cause":"The inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire.\n\nContributing to the accident were the incorrectly manufactured wiring support strip assembly that misrouted electrical wires near the collective control torque tube, the ambiguity of the support strip assembly drawing that allowed for its incorrect manufacturing, the inadequate quality control processes to identify the incorrectly manufactured support strip assembly, and the helicopter manufacturer\u2019s inadequate assembly instructions that allowed the misrouting of the electrical wiring, due to the incorrectly manufactured strip assembly, on the helicopter production line.","registration":"N811TA","state":"LA","summary":"Accident on September 24, 2022 at Houma, LA: no injuries, substantial damage.","type":"ACC"}],"num_engines":2,"other_names":"","plain_english":"N811TA is an Agustawestland Philadelphia AW139, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 2011. It has 17 seats. It is registered to Bristow LLC, an LLC in Lake Charles, Louisiana. The registration is valid: it was issued on January 9, 2018 and expires on January 31, 2028. It holds a standard airworthiness certificate for transport, dated August 8, 2011.","records_check":[{"finding":"Valid registration to Bristow LLC, an LLC, certificate issued January 9, 2018, expires January 31, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated August 8, 2011, consistent with the 2011 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 41269 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N811TA 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":"1 NTSB record under N811TA: Accident on September 24, 2022 at Houma, LA: no injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"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":"Southwestern","region_code":"2","registrant_type":"LLC","registrant_type_code":"7","seats":17,"serial_number":"41269","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"LA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"600 AIRPORT BLVD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"01072549","url":"https://eflight.com/aircraft/N811TA","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2011,"zip":"706070610"}