{"airworthiness_class":"Standard","airworthiness_date":"2015-01-26","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2015-02-06","city":"CHICAGO","country_code":"US","county_code":"031","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[{"collateral_type":"Aircraft","doc_type":"Loan release","doc_type_code":"REL","party":"","receipt_date":"2026-09-03"}],"eng_mfr_mdl":"13078","engine_horsepower":0,"engine_maker":"CFM INTL","engine_model":"CFM56-7B27E","engine_thrust_lb":27300,"expiration_date":"2028-02-29","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"airliners","kit_mfr":"","kit_model":"","last_action_date":"2023-04-21","maker":"Boeing","maker_country":null,"maker_raw":"BOEING","maker_segment":null,"mfr_mdl_code":"13848A3","mode_s_code":"52152357","mode_s_hex":"A8D4EF","model":"737-924ER","n_number":"N66841","name":"UNITED AIRLINES INC","ntsb_checked":true,"ntsb_records":[{"city":"OGDEN","damage":"DEST","date":"1991-02-13","highest_injury":"FATL","ntsb_no":"SEA91LA050","probable_cause":"THE PILOT ELECTED TO FLY INTO KNOWN ADVERSE WEATHER AND ENCOUNTERED ICING CONDITIONS. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S INADEQUATE EVALUATION OF THE WEATHER AND A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.","registration":"N66841","state":"UT","summary":"Accident on February 13, 1991 at Ogden, UT: fatal, destroyed (4 fatal).","type":"ACC"}],"num_engines":2,"other_names":"","plain_english":"N66841 is a Boeing 737-924ER, a fixed-wing airplane with more than one motor with turbofan engines, built in 2015. It has 191 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on February 6, 2015 and expires on February 29, 2028. It holds a standard airworthiness certificate for transport, dated January 26, 2015. 1 document is on file: loan release.","records_check":[{"finding":"Valid registration to United Airlines INC, a corporation, certificate issued February 6, 2015, expires February 29, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated January 26, 2015, consistent with the 2015 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 42182 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N66841 was previously assigned to 2 other aircraft: Beech F33A (serial CE888, cancelled April 9, 1991); Piper PA-31T (serial 31T-7520003, cancelled December 17, 1974). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number.","item":"Tail number reuse","source":2,"status":"ATTENTION"},{"finding":"1 document received recently: Loan release (September 3, 2026).","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"1 NTSB record under N66841: Accident on February 13, 1991 at Ogden, UT: fatal, destroyed (4 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":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":191,"serial_number":"42182","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"233 S WACKER DR","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"01168761","url":"https://eflight.com/aircraft/N66841","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2015,"zip":"606067147"}