NTSB investigations: Pratt & Whitney R1340 series
43 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the probable cause includes Not determined, general. 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
| 2008 | 5 |
|---|---|
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 7 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND f.\"inProbableCause\" AND starts_with(f.\"findingCode\", '05000000')))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND f."inProbableCause" AND starts_with(f."findingCode", '05000000')))
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 CEN24LA364Accident · No injuriesClass 4 · LimitedFinal reportGrumman G-164A · LaPlace, LATotal loss of engine power during the agricultural application flight for reasons that could not be determined.NTSB WPR24FA213Accident · 1 fatalClass 3 · FieldFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Chamberino, NMAn aerodynamic stall and loss of control for reasons that could not be determined based on the available information.NTSB CEN24LA146Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Kaplan, LAA partial loss of engine power for reasons that could not be determined.NTSB CEN23FA269Accident · 1 fatalClass 3 · FieldFinal reportSchweizer G-164B · Beltrami, MNA collision with terrain and subsequent nose over for undetermined reasons.NTSB CEN22LA349Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Knox, INA partial loss of engine power for undetermined reasons.NTSB CEN22LA157Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Rayville, LAA loss of engine power for a reason that could not be determined based on available information.NTSB CEN21LA237Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G164 · Celina, OHA loss of engine power for undetermined reasons.NTSB WPR20LA175Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Lincoln, CAThe pilot’s loss of directional control on takeoff for undetermined reasons.NTSB WPR19LA137Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Sutter, CAA loss of engine power due to the in-flight separation of the fuel control unit interconnect rod for reasons that could not be determined due to lack of available evidence.NTSB CEN18LA332Accident · Minor injuriesLimited investigationFinal reportAero Commander S2R · Westbrook, MNA runway excursion during takeoff for reasons that could not be determined based on the available evidence.NTSB CEN18LA288Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Milford, IAThe pilot's loss of airplane control during takeoff for reasons that could not be determined because no anomalies consistent with a flight control system malfunction were observed.NTSB WPR18LA128Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G 164C · Maxwell, CAA total loss of engine power due to an uncommanded closing of the fuel shutoff valve, which terminated fuel to the engine. The reason for the fuel shutoff valve’s closure could not be determined based on the available information.NTSB CEN17LA151Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Nome, TXAn in-flight fire for reasons that could not be determined based on available information.NTSB WPR16LA137Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Brawley, CAThe airplane’s inability to climb and subsequent impact with terrain for reasons that could not be determined based on the available information.NTSB WPR16FA112Accident · 2 fatalField investigationFinal reportNorth American AT 6 · Mesa, AZThe pilot's inability to return to the departure airport due to an unspecified in-flight emergency for reasons that could not be determined during a postaccident examination of the airplane.NTSB ERA16LA130Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Myakka, FLA total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical anomalies that would have precluded normal operation.NTSB WPR15LA106Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Alfalfa, ORA total loss of engine power after takeoff for reasons that could not be determined, because examination of the engine did not reveal any mechanical anomalies that would have precluded normal operation.NTSB ERA15LA030Accident · No injuriesLimited investigationFinal reportNorth American T 6G · Naples, FLThe total loss of engine power during the initial climb due to fuel starvation for reasons that could not be determined because postaccident examinations of the airframe and engine fuel system components revealed no evidence of a mechanical malfunction or…NTSB CEN14LA301Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lake City, ARThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN14LA229Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Hessmer, LAA partial loss of engine power for reasons that could not be determined because a full examination of the engine could not be performed.NTSB ERA13LA318Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaufort, NCA failure of the right brake for reasons that could not be determined because a postaccident examination of the brake could not be performed.NTSB ERA13LA312Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Jackson, TNA failure of the right main landing gear wheel rim during the landing roll, resulting in a loss of control and a subsequent collapse of the right main landing gear.NTSB CEN13LA375Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Colome, SDThe loss of engine power for reasons that could not be determined because a postaccident engine run revealed no anomalies that would have precluded normal operation.NTSB CEN11LA598Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edgeley, NDThe loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN11FA562Accident · No injuriesField investigationFinal reportAir Tractor AT-301 · Nekoosa, WIA total loss of engine power during initial climb for undetermined reasons.NTSB WPR11LA366Accident · No injuriesLimited investigationFinal reportAyres S2R-600 · Hazelton, IDPartial loss of engine power for undetermined reasons.NTSB CEN11LA543Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Washington, IAThe loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR11LA272Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Hogeland, MTCollision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11LA484Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Cash, ARA loss of engine power for undetermined reasons.NTSB CEN11LA335Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Bono, ARA loss of engine power for undetermined reasons.NTSB CEN10CA582Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Atkins, ARA partial loss of engine power during low-altitude flight for undetermined reasons.NTSB ANC10MA068Accident · 5 fatalClass 1 · MajorFinal reportDehavilland DHC-3 · Aleknagik, AKThe pilot's temporary unresponsiveness for reasons that could not be established from the available information. Contributing to the investigation's inability to determine exactly what occurred in the final minutes of the flight was the lack of a cockpit…NTSB CEN10LA236Accident · 1 fatalLimited investigationFinal reportAero Commander S2R · DeWitt, ARThe pilot did not maintain clearance from terrain for undetermined reasons.NTSB WPR10LA214Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Madera, CAA loss of engine power for undetermined reasons.NTSB WPR10FA162Accident · 2 fatalField investigationFinal reportNorth American AT6 · Bakersfield, CAThe pilots did not maintain clearance from terrain for undetermined reasons.NTSB CEN09CA522Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Evansville, WIA jam of the elevator flight control for undetermined reasons.NTSB CEN09LA503Accident · No injuriesLimited investigationFinal reportAir Tractor AT401 · Waterloo, IAA loss of engine power for undetermined reasons.NTSB CEN09LA451Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaman, IAThe loss of engine power during initial climb for undetermined reasons.NTSB DFW08CA216Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Wisner, LAThe loss of engine power for undetermined reasons.NTSB CHI08CA242Accident · No injuriesData collectionFinal reportSchweizer G-164A · Jefferson, IAThe loss of engine power for an undetermined reason and the unsuitable terrain encountered during the forced landing. The corn crop was a factor.NTSB DFW08CA192Accident · No injuriesData collectionFinal reportGrumman G-164A · Bovina, TXLoss of engine power for undetermined reasons.NTSB NYC08LA245Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Pelham, GAA partial loss of engine power for undetermined reasons which led to a forced landing in unsuitable terrain.NTSB SEA08LA133Accident · Minor injuriesLimited investigationFinal reportThrush S-2R · Holtville, CAThe loss of oil pressure for undetermined reasons.