{"airworthiness_class":"Standard","airworthiness_date":"1980-03-27","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"1980-07-25","city":"KETCHIKAN","country_code":"US","county_code":"130","cruise_speed_mph":112,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"03002","engine_horsepower":250,"engine_maker":"ALLISON","engine_model":"250 SER 250HP","engine_thrust_lb":0,"expiration_date":"2027-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-03-24","maker":"Hughes Helicopters Inc","maker_country":null,"maker_raw":"HUGHES HELICOPTERS INC","maker_segment":null,"mfr_mdl_code":"4470706","mode_s_code":"50024257","mode_s_hex":"A028AF","model":"HUGHES 369D","n_number":"N1091S","name":"TEMSCO HELICOPTERS INC","ntsb_checked":true,"ntsb_records":[{"city":"KETCHIKAN","damage":"SUBS","date":"2003-07-21","highest_injury":"MINR","ntsb_no":"ANC03LA082","probable_cause":"The improper installation of a bolt in the gas generator governor linkage by company maintenance personnel, which resulted in a loss of the bolt, a loss of engine power while maneuvering, and subsequent forced landing and collision with trees.  Factors contributing to the accident were an inadequate preflight inspection by the pilot, and an uncommanded surge in engine power.","registration":"N1091S","state":"AK","summary":"Accident on July 21, 2003 at Ketchikan, AK: minor injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N1091S is a Hughes Helicopters Inc HUGHES 369D, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1980. It has 4 seats. It is registered to Temsco Helicopters INC, a corporation in Ketchikan, Alaska. The registration is valid: it was issued on July 25, 1980 and expires on October 31, 2027. It holds a standard airworthiness certificate for normal, dated March 27, 1980.","records_check":[{"finding":"Valid registration to Temsco Helicopters INC, a corporation, certificate issued July 25, 1980, expires October 31, 2027. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for normal, dated March 27, 1980, consistent with the 1980 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 300691D for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N1091S 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 N1091S: Accident on July 21, 2003 at Ketchikan, AK: minor 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":"Alaskan","region_code":"5","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"300691D","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 5057","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00132030","url":"https://eflight.com/aircraft/N1091S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1980,"zip":"999010057"}