{"airworthiness_class":"Standard","airworthiness_date":"1990-04-18","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2013-09-16","city":"CHICAGO","country_code":"US","county_code":"031","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"52121","engine_horsepower":0,"engine_maker":"P & W","engine_model":"PW2040","engine_thrust_lb":40900,"expiration_date":"2029-09-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"airliners","kit_mfr":"","kit_model":"","last_action_date":"2023-09-02","maker":"Boeing","maker_country":null,"maker_raw":"BOEING","maker_segment":null,"mfr_mdl_code":"1384956","mode_s_code":"51454553","mode_s_hex":"A6596B","model":"757-222","n_number":"N508UA","name":"UNITED AIRLINES INC","ntsb_checked":true,"ntsb_records":[{"city":"San Francisco","damage":"SUBS","date":"2008-01-14","highest_injury":"NONE","ntsb_no":"SEA08LA061","probable_cause":"The company tug operator's failure to maintain clearance with another aircraft during the pushback process.  Also causal was the ground controller's failure to alert the pilot of the other aircraft and tug operator of this airplane of the simultaneous pushback occurring from adjacent gates.  Contributing to the accident was the company's pushback operation without the use of wing/tail walkers.","registration":"N508UA","state":"CA","summary":"Accident on January 14, 2008 at San Francisco, CA: no injuries, substantial damage.","type":"ACC"},{"city":"DENVER","damage":"SUBS","date":"1993-08-02","highest_injury":"NONE","ntsb_no":"DEN93LA098","probable_cause":"THE FIRST OFFICER'S IMPROPER RECOVERY FROM A BOUNCED LANDING.  FACTORS WERE:  THE FIRST OFFICER'S DELAYED INITIATION OF THE FLARE, AND THE CAPTAIN'S IMPROPER SUPERVISION OF THE FLIGHT.","registration":"N508UA","state":"CO","summary":"Accident on August 2, 1993 at Denver, CO: no injuries, substantial damage.","type":"ACC"},{"city":"GRAND JUNCTION","damage":"","date":"1993-02-14","highest_injury":"NONE","ntsb_no":"DEN93IA027","probable_cause":"FAILURE OF THE LEFT GENERATOR CONTROL UNIT (GCU), INTEGRATED DRIVE GENERATOR (IDG), RIGHT (SIDE) ENGINE INDICATOR AND CREW ALERT SYSTEM (EICAS), AND BUS TIE BAR (BTB).","registration":"N508UA","state":"CO","summary":"Incident on February 14, 1993 at Grand Junction, CO: no injuries.","type":"INC"}],"num_engines":2,"other_names":"","plain_english":"N508UA is a Boeing 757-222, a fixed-wing airplane with more than one motor with turbofan engines, built in 1990. It has 178 seats. It is registered to United Airlines INC, a corporation in Chicago, Illinois. The registration is valid: it was issued on September 16, 2013 and expires on September 30, 2029. It holds a standard airworthiness certificate for transport, dated April 18, 1990.","records_check":[{"finding":"Valid registration to United Airlines INC, a corporation, certificate issued September 16, 2013, expires September 30, 2029. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated April 18, 1990, consistent with the 1990 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 24744 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N508UA 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":"3 NTSB records under N508UA: Accident on January 14, 2008 at San Francisco, CA: no injuries, substantial damage. Accident on August 2, 1993 at Denver, CO: no injuries, substantial damage. Incident on February 14, 1993 at Grand Junction, CO: no injuries. 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":178,"serial_number":"24744","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":"00464681","url":"https://eflight.com/aircraft/N508UA","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1990,"zip":"606067147"}