{"airworthiness_class":"Standard","airworthiness_date":"2008-04-03","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2008-04-04","city":"CHICAGO","country_code":"US","county_code":"031","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"13045","engine_horsepower":0,"engine_maker":"CFM INTL","engine_model":"CFM56-7B26","engine_thrust_lb":26300,"expiration_date":"2030-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"airliners","kit_mfr":"","kit_model":"","last_action_date":"2025-11-03","maker":"Boeing","maker_country":null,"maker_raw":"BOEING","maker_segment":null,"mfr_mdl_code":"13848A3","mode_s_code":"51042536","mode_s_hex":"A4455E","model":"737-924ER","n_number":"N37420","name":"UNITED AIRLINES INC","ntsb_checked":true,"ntsb_records":[{"city":"Denver","damage":"MINR","date":"2012-07-31","highest_injury":"NONE","ntsb_no":"CEN12IA502","probable_cause":"An in-flight collision with a bird during descent to land, which resulted in damage to the left pitot tube and loss of airspeed information to the left and right primary flight displays (PFD). The reason for the total loss of indications on the left PFD could not be determined based on available evidence.","registration":"N37420","state":"CO","summary":"Incident on July 31, 2012 at Denver, CO: no injuries, minor damage.","type":"INC"}],"num_engines":2,"other_names":"","plain_english":"N37420 is a Boeing 737-924ER, a fixed-wing airplane with more than one motor with turbofan engines, built in 2008. It has 191 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on April 4, 2008 and expires on January 31, 2030. It holds a standard airworthiness certificate for transport, dated April 3, 2008.","records_check":[{"finding":"Valid registration to United Airlines INC, a corporation, certificate issued April 4, 2008, expires January 31, 2030. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated April 3, 2008, consistent with the 2008 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 33457 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N37420 was previously assigned to 1 other aircraft: Interstate S-1A (serial 263, cancelled February 25, 1982). 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":"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 N37420: Incident on July 31, 2012 at Denver, CO: no injuries, minor 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":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":191,"serial_number":"33457","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IL","status":"Valid registration","status_code":"V","status_short":"Valid","street":"ATTN: TREASURER - WILLIS TOWER","street2":"233 S WACKER DR","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00445139","url":"https://eflight.com/aircraft/N37420","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2008,"zip":"606067147"}