NTSB investigations: Pratt & Whitney R1340 series
21 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the defining event was Loss of control in flight. 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 | 3 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 3 |
| 2025 | 1 |
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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '240'))
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_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
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 CEN25FA388Accident · 2 fatalClass 3 · FieldPreliminary reportNorth American T-6G · Louise, TXOn September 20, 2025, about 1724 central daylight time, a North American T-6G airplane, N32SZ, was destroyed when it was involved in an accident near Lousie, Texas. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14…NTSB WPR23LA305Accident · 1 fatalClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Davis, CAAn inflight loss of control during a low altitude operation for undetermined reasons.NTSB CEN23LA347Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401 · Jamestown, NDThe pilot’s failure to maintain proper airspeed after liftoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.NTSB CEN23LA228Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Saffell, ARThe airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the airplane’s flight path.NTSB WPR22FA026Accident · 1 fatalClass 3 · FieldFinal reportAyres S-2R · Shafter, CAThe pilot’s decision to depart into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.NTSB GAA19CA277Accident · Serious injuriesData collectionFinal reportGrumman G164 · Pearsall, TXThe pilot's failure to maintain clearance from power lines during low-altitude maneuvering.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 WPR18FA155Accident · 1 fatalField investigationFinal reportNorth American SNJ 2 · Melville, NYThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall, spin, and subsequent impact with terrain.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 ANC15FA071Accident · 3 fatalField investigationFinal reportDehavilland DHC 3T · Iliamna, AKThe pilot's decision to depart in dark night, visual meteorological conditions over water, which resulted in his subsequent spatial disorientation and loss of airplane control. Contributing to the accident was the pilot's failure to determine the airplane's…NTSB CEN14CA246Accident · No injuriesData collectionFinal reportNorth American SNJ 6 · Santa Fe, NMThe pilot's loss of directional control during landing and subsequent go around attempt.NTSB CEN13LA422Accident · Serious injuriesLimited investigationFinal reportGrumman Aircraft Cor-Schweizer G-164A · Elmira, MIThe pilot's failure to maintain clearance from a line of trees while applying agricultural product to a field.NTSB CEN12CA544Accident · Serious injuriesData collectionFinal reportSchweizer, N36289 G-164B · Kaplan, LAThe pilot's failure to maintain clearance from power lines during the aerial application flight.NTSB CEN12LA324Accident · 1 fatalLimited investigationFinal reportNorth American T-6G · Perry, MIThe pilot’s failure to maintain control while maneuvering at low altitude after takeoff, resulting in a collision with a barn.NTSB WPR11CA286Accident · No injuriesData collectionFinal reportAir Tractor AT301 · Circle, MTThe pilot's failure to attain and maintain an adequate airspeed during initial climb.NTSB ERA10FA163Accident · 2 fatalField investigationFinal reportNorth American T6 · Santa Rosa Beach, FLThe pilot's failure to maintain airspeed during a low altitude,over water aerobatic maneuver, which resulted in an aggravated stall/spin. Contributing to the accident were the pilot's loss of situational awareness and his decision to perform aerobatics at a…NTSB WPR09LA270Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Yerington, NVThe pilot's failure to maintain aircraft control while maneuvering during an aerial application flight.NTSB CHI08CA223Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Ambia, INThe altitude/clearance not obtained/maintained by the pilot while maneuvering over an agricultural field during an aerial application. Contributing factors were the sunglare in the direction of flight, the low altitude of the operation, and the upslope of the…NTSB DFW08CA195Accident · Minor injuriesData collectionFinal reportGrumman 164A · Lake Providence, LAThe pilot's failure to maintain control of the airplane while maneuvering during an aerial application. Contributing to the accident was the wind gust.NTSB MIA08CA078Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · Columbus, MSThe failure of the pilot to maintain airspeed while maneuvering.