{"airworthiness_class":"Restricted","airworthiness_date":"1979-02-22","airworthiness_ops":"Agriculture and pest control","category":"conventional","cert_issue_date":"2021-10-07","city":"FRANKLIN","country_code":"US","county_code":"213","cruise_speed_mph":71,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"67060","engine_horsepower":700,"engine_maker":"WRIGHT","engine_model":"R-1300 SER","engine_thrust_lb":0,"expiration_date":"2028-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-06-16","maker":"Sikorsky","maker_country":null,"maker_raw":"SIKORSKY","maker_segment":null,"mfr_mdl_code":"8141604","mode_s_code":"51637765","mode_s_hex":"A73FF5","model":"S-55B","n_number":"N5663","name":"SIERRA AERONAUTICS LLC","ntsb_checked":true,"ntsb_records":[{"city":"Chelan","damage":"SUBS","date":"2011-07-25","highest_injury":"FATL","ntsb_no":"WPR11FA350","probable_cause":"The pilot\u2019s failure to maintain clearance from power lines while maneuvering at a low altitude.","registration":"N5663","state":"WA","summary":"Accident on July 25, 2011 at Chelan, WA: fatal, substantial damage (1 fatal).","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N5663 is a Sikorsky S-55B, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1959. It has 12 seats. It is registered to Sierra Aeronautics LLC, an LLC in Franklin, Kentucky. The registration is valid: it was issued on October 7, 2021 and expires on October 31, 2028. It holds a restricted airworthiness certificate for agriculture and pest control, dated February 22, 1979.","records_check":[{"finding":"Valid registration to Sierra Aeronautics LLC, an LLC, certificate issued October 7, 2021, expires October 31, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated February 22, 1979, 20 years after the 1959 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 55-1267 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N5663 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 N5663: Accident on July 25, 2011 at Chelan, WA: fatal, substantial damage (1 fatal). 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":"Central","region_code":"3","registrant_type":"LLC","registrant_type_code":"7","seats":12,"serial_number":"55-1267","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"KY","status":"Valid registration","status_code":"V","status_short":"Valid","street":"40 SULPHUR SPRING CHURCH RD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00750356","url":"https://eflight.com/aircraft/N5663","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1959,"zip":"421348569"}