{"airworthiness_class":"Standard","airworthiness_date":"1989-12-08","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2024-02-22","city":"ATLANTA","country_code":"US","county_code":"121","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"52119","engine_horsepower":0,"engine_maker":"P&W","engine_model":"PW4000 SER","engine_thrust_lb":60000,"expiration_date":"2031-02-28","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"airliners","kit_mfr":"","kit_model":"","last_action_date":"2024-02-22","maker":"Boeing","maker_country":null,"maker_raw":"BOEING","maker_segment":null,"mfr_mdl_code":"1384940","mode_s_code":"52134703","mode_s_hex":"A8B9C3","model":"747-451","n_number":"N661US","name":"DELTA AIR LINES INC","ntsb_checked":true,"ntsb_records":[{"city":"Detroit","damage":"MINR","date":"2011-10-23","highest_injury":"NONE","ntsb_no":"ENG12IA003","probable_cause":"The penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the undercowl fire.\n\nContributing to the incident was the installation of approved (but not preferred) stage 3 low pressure turbine outer transition duct segments with the riveted rear seal configuration and the failure of the engine design to comply with the engine debris containment requirements of 14 Code of Federal Regulations 33.13 and 33.75.","registration":"N661US","state":"MI","summary":"Incident on October 23, 2011 at Detroit, MI: no injuries, minor damage.","type":"INC"},{"city":"Anchorage","damage":"","date":"2002-10-10","highest_injury":"NONE","ntsb_no":"ANC03IA001","probable_cause":"The fatigue fracture of the lower rudder power control module manifold, which resulted in a lower rudder hardover.","registration":"N661US","state":"AK","summary":"Incident on October 10, 2002 at Anchorage, AK: no injuries.","type":"INC"}],"num_engines":4,"other_names":"","plain_english":"N661US is a Boeing 747-451, a fixed-wing airplane with more than one motor with turbofan engines, built in 1989. It has 450 seats. It is registered to Delta Air Lines INC, a corporation in Atlanta, Georgia. The registration is valid: it was issued on February 22, 2024 and expires on February 28, 2031. It holds a standard airworthiness certificate for transport, dated December 8, 1989.","records_check":[{"finding":"Valid registration to Delta Air Lines INC, a corporation, certificate issued February 22, 2024, expires February 28, 2031. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated December 8, 1989, consistent with the 1989 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 23719 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N661US 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":"2 NTSB records under N661US: Incident on October 23, 2011 at Detroit, MI: no injuries, minor damage. Incident on October 10, 2002 at Anchorage, AK: 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":"Southern","region_code":"7","registrant_type":"Corporation","registrant_type_code":"3","seats":450,"serial_number":"23719","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"GA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"DEPT 595 AIRCRAFT REGISTRATIONS","street2":"1775 MH JACKSON SERVICE RD","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00654021","url":"https://eflight.com/aircraft/N661US","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1989,"zip":"30354"}