# NTSB investigations: Pratt & Whitney PW4000 series: Turbulence encounter NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB DCA27LA019](https://openairdocs.org/ntsb/DCA27LA019.md): Boeing 777-222 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Class 4 · Limited · Investigation open · Oct 21, 2026 · N769UA · No damage - [NTSB DCA25LA091](https://openairdocs.org/ntsb/DCA25LA091.md): Boeing 767-322 · Gulf of America (Gulf of Mexico) · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 29, 2024 · N647UA · No damage > An encounter with an area of clear air turbulence during cruise, which resulted in a serious injury to a flight attendant. - [NTSB DCA25LA023](https://openairdocs.org/ntsb/DCA25LA023.md): Boeing 767-322 · Kingston, Jamaica · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 3, 2024 · N651UA · No damage > An inadvertent encounter with convective turbulence while in enroute cruise flight. - [NTSB DCA24LA097](https://openairdocs.org/ntsb/DCA24LA097.md): Boeing 777-222ER · Kelsey, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 10, 2024 · N788UA · No damage > The airplane’s encounter with an unanticipated localized region of moderate-to-severe turbulence while in instrument meteorological conditions (IMC) associated with strong upper-level wind shear and convective cells. Contributing to the severity of the… - [NTSB DCA23LA421](https://openairdocs.org/ntsb/DCA23LA421.md): Boeing 777-222 · Over the (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 18, 2023 · N209UA · No damage > An inadvertent encounter with clear air turbulence during cruise flight. - [NTSB DCA19CA189](https://openairdocs.org/ntsb/DCA19CA189.md): Boeing 767 · San Juan, PR · Accident · Serious injuries · Class 4 · Data collection · Final report · Jul 22, 2019 · N663UA · No damage > An encounter with convective turbulence during cruise flight. - [NTSB DCA19CA034](https://openairdocs.org/ntsb/DCA19CA034.md): Boeing 767 · SUNNS intersection, Osaka, Japan · Accident · Serious injuries · Class 4 · Data collection · Final report · Dec 4, 2018 · N193DN · No damage > The airplane’s encounter with severe turbulence. - [NTSB DCA17LA173](https://openairdocs.org/ntsb/DCA17LA173.md): Airbus 330 · East Hampton, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 2017 · N276AY · No damage > an inadvertent encounter with convective turbulence. - [NTSB DCA16CA220](https://openairdocs.org/ntsb/DCA16CA220.md): Boeing 767 322 · International Waters, A1 · Accident · Serious injuries · Data collection · Final report · Aug 31, 2016 · N657UA · No damage > an inadvertent encounter with severe convective turbulence. - [NTSB DCA14WA042](https://openairdocs.org/ntsb/DCA14WA042.md): Boeing 767 332 · Buenos Aires, Argentina · Incident · No injuries · Foreign investigation · Jan 21, 2014 · N191DN · Minor damage > The Direccion Nacional de Aviacion Civil e Infraestructura Aeronautica (DINACIA) has notified the NTSB of an incident involving Boeing 767-300, which occurred on January 21, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the DINACIA… - [NTSB WPR13LA131](https://openairdocs.org/ntsb/WPR13LA131.md): Boeing 747-422 · Pacific Ocean, A1 · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 2013 · N174UA · No damage > The flight’s encounter with moderate clear air turbulence while en route, which resulted in a serious injury to a flight attendant. Contributing to the accident was the lack of communication equipment in the rest compartment, which, if installed, could have… - [NTSB DCA12WA109](https://openairdocs.org/ntsb/DCA12WA109.md): Boeing 777-222 · Narita, Japan · Accident · Serious injuries · Foreign investigation · Jul 5, 2012 · N224UA · No damage - [NTSB DCA11FA091](https://openairdocs.org/ntsb/DCA11FA091.md): Boeing 747-422 · Tangshan, China · Accident · Serious injuries · Field investigation · Final report · Jul 29, 2011 · N173UA · No damage > an inadvertent encounter with convectively induced turbulence likely due to radar limitations and convective weather developing upwards into the flight path. - [NTSB DCA10FA012](https://openairdocs.org/ntsb/DCA10FA012.md): Boeing 777-200 · New Market, VA · Accident · Serious injuries · Field investigation · Final report · Nov 19, 2009 · N209UA · No damage > The flight crew’s inadvertent encounter with a small area of cumulous clouds at night that resulted in moderate to severe convectively induced turbulence. - [NTSB DCA09WA029](https://openairdocs.org/ntsb/DCA09WA029.md): Boeing 747 · Tokyo, Japan · Accident · Serious injuries · Foreign investigation · Feb 20, 2009 · N676NW · No damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52119') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '360')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/360/cases?engine=52119 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.