Final NTSB investigations: Pratt & Whitney PW4000 series
61 cases on aircraft whose registry engine model is Pratt & Whitney PW4000 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1990 | 1 |
|---|---|
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 1999 | 3 |
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 4 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 4 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 4 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52119'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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."completionStatus" = 'Completed'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52119'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB DCA25LA091Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 767-322 · Gulf of America (Gulf of Mexico)An encounter with an area of clear air turbulence during cruise, which resulted in a serious injury to a flight attendant.NTSB DCA25LA023Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 767-322 · Kingston, JamaicaAn inadvertent encounter with convective turbulence while in enroute cruise flight.NTSB DCA24LA295Accident · No injuriesClass 4 · LimitedFinal reportAirbus A330-323 · Atlanta, GADelta Air Lines flight crew’s incorrect evaluation of the clearance between their airplane and the airplane directly ahead of them as they made a 90 degree right turn onto an adjacent taxiway.NTSB DCA24LA097Accident · Serious injuriesClass 3 · LimitedFinal reportBoeing 777-222ER · Kelsey, NYThe 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 DCA23LA421Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 777-222 · Over the (Atlantic Ocean)An inadvertent encounter with clear air turbulence during cruise flight.NTSB DCA23LA409AccidentClass 4 · LimitedFinal reportBoeing 767-322 · Chantilly, VAImproper overhaul of the trunnion cross-pin hole that resulted in the development of stress corrosion cracking and eventual failure of the right forward trunnion.NTSB DCA23LA384Accident · No injuriesClass 3 · LimitedFinal reportBoeing 767-322 · Houston, TXThe first officer’s improper control inputs after the airplane touched down. Contributing to the severity of the damage was the flight crew’s lack of recognition that the speedbrakes were not armed, which led to their delayed deployment.NTSB DCA23LA172Incident · No injuriesClass 4 · LimitedFinal reportBoeing 777 · Kahului, HIThe flight crew’s failure to manage the airplane’s vertical flightpath, airspeed, and pitch attitude following a miscommunication about the captain’s desired flap setting during the initial climb.NTSB DCA22LA179Incident · No injuriesClass 4 · LimitedFinal reportBoeing 767-332 · New York, NYThe failure of maintenance personnel to close the drain mast heater circuit breakers which resulted in the formation of ice in the forward drain mast, an improper flow of wastewater into the main landing gear wheel well, and the formation of ice on one or…NTSB DCA21LA229Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 767-332 · Seattle, WAThe flightcrew’s failure to set the hydraulic panel correctly during the execution of the pushback checklist, and when the hydraulic panel setting was corrected, that resulted in the airplane coming to a sudden stop and a flight attendant receiving a serious…NTSB DCA21LA210Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas MD-11F · Phoenix, AZThe flight crew’s incorrect pitch attitude during go-around.NTSB DCA21FA085Incident · No injuriesClass 3 · FieldFinal reportBoeing 777-222 · Broomfield, COThe fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…NTSB DCA19CA189Accident · Serious injuriesClass 4 · Data collectionFinal reportBoeing 767 · San Juan, PRAn encounter with convective turbulence during cruise flight.NTSB DCA19CA034Accident · Serious injuriesClass 4 · Data collectionFinal reportBoeing 767 · SUNNS intersection, Osaka, JapanThe airplane’s encounter with severe turbulence.NTSB DCA18LA163Accident · No injuriesClass 3 · LimitedFinal reportAirbus A330 323 · Atlanta, GAThe flight crew’s delayed landing after an in-flight engine fire, which reignited after both fire bottles were discharged and resulted in substantial damage to an engine pylon. Contributing to the delayed landing was likely the flight crew’s perception that…NTSB DCA17LA173Accident · Serious injuriesLimited investigationFinal reportAirbus 330 · East Hampton, NYan inadvertent encounter with convective turbulence.NTSB ENG17IA026Incident · No injuriesIncident investigationFinal reportBoeing 747 451 · Tokyo, JapanThe PW4056 engine lost power due to the fatigue fracture of a 5th stage compressor blade. The cause of the fatigue fracture could not be determined.NTSB ENG17IA003Incident · No injuriesIncident investigationFinal reportAirbus A330 223 · Seattle, WAA No. 1 engine fire caused by a fuel manifold supply line high cycle fatigue crack which led to a fuel leak that subsequently ignited on hot engine case surfaces. The fatigue crack originated and progressed due to elevated fuel manifold assembly vibration…NTSB DCA16CA220Accident · Serious injuriesData collectionFinal reportBoeing 767 322 · International Waters, A1an inadvertent encounter with severe convective turbulence.NTSB ENG16IA001Incident · No injuriesIncident investigationFinal reportBoeing 747 · Russian airspace, JapanThe PW4056 engine experienced an in-flight loss of power because of damage to the low-pressure turbine (LPT) because of the inadequate overhaul inspection and repair instructions that existed at the time of the LPT module's last overhaul. A vane hook in the…NTSB ENG14IA027Incident · No injuriesIncident investigationFinal reportBoeing 747 · Atlanta, GATurbine Overhaul Service's aggressive grit blasting and incomplete masking of the blade root neck that allowed the no grit blast area being exposed during the overhaul of the blade resulting in blasting media being embedded in the blade root from which a…NTSB DCA14CA157Accident · Serious injuriesData collectionFinal reportBoeing 767 322 · Reykjavik, IcelandThe capabilities of the beverage cart were exceeded which resulted in the cart toppling over and fracturing the flight attendant's foot.NTSB DCA14CA083Accident · Serious injuriesData collectionFinal reportAirbus A330 323 · Seattle (Pacific Ocean)the flight attendant inadvertently tripping over a passenger's foot that was protruding into the aisle, which resulted in the flight attendant fracturing her foot.NTSB DCA14CA014Accident · Serious injuriesData collectionFinal reportBoeing 767 322 · Houston, TXThe airplane's inadvertent encounter with clear air turbulence during cruise flight, which resulted in a serious injury to a flight attendant.NTSB WPR13LA131Accident · Serious injuriesLimited investigationFinal reportBoeing 747-422 · Pacific Ocean, A1The 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 ENG12IA003Incident · No injuriesIncident investigationFinal reportBoeing 747-451 · Detroit, MIThe 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. Contributing to the incident was the…NTSB DCA11FA091Accident · Serious injuriesField investigationFinal reportBoeing 747-422 · Tangshan, Chinaan inadvertent encounter with convectively induced turbulence likely due to radar limitations and convective weather developing upwards into the flight path.NTSB DCA11CA084Accident · No injuriesData collectionFinal reportBombardier CL600 2D24 · Boston, MAthe B767 Captain's failure to maintain a safe clearance between his wing and the tail of the CRJ900 that was stopped on a taxiway.NTSB ERA11LA266Accident · Serious injuriesLimited investigationFinal reportAirbus A330-323 · New York, NYThe flight attendant's inadvertent fall, which resulted in a serious injury.NTSB DCA10IA082Incident · Minor injuriesIncident investigationFinal reportBoeing 767-322 · Chicago, ILthe brake fire after landing was caused by hydraulic fluid leaking on to hot brakes.NTSB DCA10FA076Accident · Serious injuriesField investigationFinal reportBoeing 767 · Pacific Ocean (Pacific Ocean)an inadvertent encounter with clear air turbulence.NTSB ENG10IA038Incident · No injuriesIncident investigationFinal reportBoeing 767 · Athens, GreeceA short circuit involving the light in position L3 on the squib test panel. The specific cause of the short circuit could not be determined.NTSB OPS10IA020Incident · No injuriesIncident investigationFinal reportBoeing 777-222 · San Francisco, CAThe local controller's issuance of a takeoff clearance to the Boeing 777 without ensuring that approved separation would exist with the Cessna 182. Contributing to the incident were tower procedures that permitted transitioning aircraft to cross the runway 28…NTSB DCA10CA032Accident · Serious injuriesData collectionFinal reportBoeing 747 · Anchorage, AKan inadvertent encounter with clear air turbulence.NTSB DCA10FA012Accident · Serious injuriesField investigationFinal reportBoeing 777-200 · New Market, VAThe flight crew’s inadvertent encounter with a small area of cumulous clouds at night that resulted in moderate to severe convectively induced turbulence.NTSB OPS10IA001Incident · No injuriesIncident investigationFinal reportBoeing 767 · Atlanta Hartsfield Intl. Apt. (KATL), GAThe flight crew’s failure to identify the correct landing surface due to fatigue. Contributing to the cause of the incident were (1) the flight crew’s decision to accept a late runway change, (2) the unavailability of the approach light system and the…NTSB DCA09IA064Incident · No injuriesIncident investigationFinal reportAirbus A330-323 · Kagoshima, JapanBrief and temporary blockage of the pitot probes in cruise flight, most likely due to ice crystals aloft, leading to erroneous airspeed indications and airplane automation degradation as designed. Contributing to the incidents were design features of the…NTSB OPS08IA007Incident · No injuriesIncident investigationFinal reportBoeing 737-700 · Seattle, WAThe diverted attention during taxi of the flight crew in the other aircraft. Contributing to the incident was the air traffic control clearance was not followed by the flight crew of the other aircraft.NTSB CHI08FA050Accident · Serious injuriesField investigationFinal reportBoeing 777-222 · Chicago, ILEmergency evacuation due to dense smoke in the cabin and the possibility of an on-board fire, which resulted in a serious injury to one of the 264 passengers and crew. An additional cause was the failure of an engine bearing, allowing oil to migrate into the…NTSB LAX07LA204Accident · Serious injuriesLimited investigationFinal reportBoeing 747-422 · OceanicAn in-flight encounter with turbulence that resulted in serious injury to a flight attendant.NTSB CHI07LA093Accident · No injuriesLimited investigationFinal reportBoeing 767-300 · Chicago, ILThe contained fan blade tip separation following the ingestion of several birds into the left engine during takeoff and the lack of an adequate response time available to crew to avert the bird strike.NTSB NYC06LA151Accident · No injuriesLimited investigationFinal reportBoeing 767-300 · Dulles, VAThe driver's failure to follow company standard operating procedures. A factor was the driver's diverted attention to an on-time departure.NTSB DEN06IA034Incident · No injuriesIncident investigationFinal reportBoeing B777-200B · Denver, COthe truck driver's failure to maintain clearance from the airplane and the boom operator's failure to adequately clear the boom from the airplane. Contributing to the accident was the low visibility due to snow and mist.NTSB SEA05LA184Accident · No injuriesLimited investigationFinal reportAirbus Industrie A330-223 · Portland, ORThe failure of the flightcrew of the other airplane to maintain clearance while taxiing.NTSB ANC05IA064Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas MD-11 · Anchorage, AKThe inadequate installation of the cockpit security door locking device, which resulted in smoke in the cockpit during normal cruise, and a precautionary landing. A factor associated with the incident was the manufacturer's insufficiently defined installation…NTSB ANC05IA002Incident · No injuriesIncident investigationFinal reportBoeing MD-11F · Anchorage, AKThe operator's failure to provide sufficient weight and balance information to the flight crew, which resulted in a center of gravity aft of the limit, and a tail strike during the takeoff roll. Factors associated with the incident are the operator's improper…NTSB LAX04LA050Accident · No injuriesLimited investigationFinal reportBoeing 747-422 · San Francisco, CAa tail strike due to a combination of the wind shifting from a headwind to a tailwind during rotation, and the pilot's control inputs for the crosswind condition.NTSB LAX04LA007Accident · No injuriesLimited investigationFinal reportBoeing 777-22B · San Francisco, CAthe failure of the taxiing Boeing 777's flight crew to maintain clearance from a Boeing 777 that was being pushed back from the gate. Contributing to the accident was the failure of the local ramp controller to caution either aircrew of a possible movement…NTSB CHI03LA237Accident · Serious injuriesLimited investigationFinal reportBoeing B777-222 · Chicago, ILThe turbulence encountered during the descent which seriously injured a passenger returning to her seat after the seat belt sign was activated. A factor was that it was not possible for the returning passenger to comply with the lit seat belt sign.NTSB CHI03IA097Incident · No injuriesIncident investigationFinal reportBoeing 747-422 · Chicago, ILFailure of company maintenance personnel to fully comply with published maintenance/inspection procedures, as well as the resulting inoperative drain heaters and restricted movement of the aileron control cables. Contributing factors were the impeded waste…