NTSB investigations: Pratt & Whitney R1340 series
1,656 cases on aircraft whose registry engine model is Pratt & Whitney R1340 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, newest first
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'))
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'))
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 ERA17CA149Accident · Serious injuriesData collectionFinal reportNorth American T 6G · Culpepper, VAThe pilot's failure to maintain airplane and directional control during the landing roll and subsequent go-around in gusting wind conditions.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 CEN17CA120Accident · Serious injuriesData collectionFinal reportAero Commander S2R · Fairmont, OKThe pilot’s failure to maintain clearance from a power line while conducting agricultural spray operations.NTSB ERA16LA319Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Chestertown, MDLoss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.NTSB GAA16CA464Accident · No injuriesData collectionFinal reportNorth American SNJ · Perris, CAThe pilot's inability to compensate for a dust devil during an aborted landing, which resulted in the left wing contacting the ground, a runway excursion, and the airplane coming to rest in a nose-down attitude.NTSB GAA16CA451Accident · No injuriesData collectionFinal reportAyres S 2R · Cordele, GAThe pilot’s failure to maintain clearance from power lines during an agricultural application flight while flying toward the sun.NTSB CEN16FA328Accident · 1 fatalField investigationFinal reportAero Commander S2R · Center, COThe pilot's failure to maintain airplane control during a low-level maneuver, which resulted in an aerodynamic stall.NTSB CEN16LA314Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Valley City, NDThe pilot's inadequate preflight inspection and fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB WPR16LA159Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Weiser, IDA partial loss of engine power due to an internal catastrophic failure of the master rod crankpin bearing.NTSB GAA16CA399Accident · No injuriesData collectionFinal reportAir Tractor AT 301 · Bird Island, MNThe pilot's diverted attention inside the cockpit and failure to maintain the airplane's altitude while maneuvering at a low altitude, resulting in an impact with terrain.NTSB ERA16LA242Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Laurel, DEA total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle linkage.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 GAA16CA338Accident · No injuriesData collectionFinal reportNorth American SNJ · Jackson, MIThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, right main landing gear collapse, and impact with the ground.NTSB CEN16LA222Accident · Serious injuriesLimited investigationFinal reportNorth American AT-6D · Henley, MOThe pilot’s decision to conduct extended inverted flight, which resulted in a total loss of engine power due to fuel flow disruption. Contributing to the accident was his decision to conduct aerobatic maneuvers at low altitude, which precluded him from…NTSB ANC16LA034Accident · No injuriesLimited investigationFinal reportDe Havilland DHC3 · Homer, AKAn in-flight collision with a bald eagle, which resulted in substantial damage to the left wing.NTSB WPR16FA120Accident · 1 fatalField investigationFinal reportRockwell S2R · De Smet, IDThe pilot's inadequate visual lookout, which resulted in his failure to maintain clearance from guy wires during an aerial application flight. Contributing to the accident was the pilot's reduced ability to see the guy wires due to sun glare.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 CEN16TA194Accident · No injuriesFinal reportNorth American AT6 · Mason, MIThe pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion and impact with a ditch.NTSB CEN16LA180Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Lyons Point, LAA total loss of engine power due to debris contamination of the fuel system. Contributing to the accident was the pilot's inadequate preflight inspection.NTSB GAA16CA176Accident · No injuriesData collectionFinal reportNorth American AT6 · Yukon, OKThe pilot's failure to maintain directional control during the landing roll in gusty wind conditions, which resulted in runway excursion and impact with terrain.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 WPR16LA082Accident · No injuriesLimited investigationFinal reportGrumman G164 · Juliaetta, IDA partial loss of engine power due to a crack in the No. 2 cylinder.NTSB GAA15CA266Accident · Minor injuriesData collectionFinal reportSchweizer G 164B · Paxton, NEThe pilot's failure to maintain adequate distance from a power line during low altitude flight operations, which resulted in an impact with the power line, and subsequent impact with the ground.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 CEN15LA345Accident · No injuriesLimited investigationFinal reportAir Tractor AT 401 · Nekoosa, WIThe pilot’s inadequate preflight planning, which resulted in his attempt to take off for the agricultural application flight with the airplane over its maximum gross weight in high-density altitude conditions and led to the airplane’s degraded climb…NTSB ANC15MA041Accident · 9 fatalClass 1 · MajorFinal reportDehavilland DHC-3 · Ketchikan, AK(1) the pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in his geographic disorientation and controlled flight into terrain; and (2) Promech's company culture, which tacitly endorsed flying in…NTSB WPR15LA194Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Five Points, CAMaintenance personnel’s improper reassembly of the engine during overhaul, which led to the failure of the supercharger-blower due to a lack of lubrication and the subsequent total loss of engine power during takeoff.NTSB WPR15LA186Accident · Serious injuriesLimited investigationFinal reportRockwell International S 2R · Washtucna, WAThe pilot's failure to maintain directional control while landing with a quartering tailwind.NTSB GAA15CA117Accident · No injuriesData collectionFinal reportAir Tractor AT 401 · Wall, SDThe pilot's failure to adjust the airplane's useful load to compensate for the high temperature, which resulted in an insufficient climb rate to clear surrounding terrain, and a runway excursion.NTSB GAA15CA113Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CAThe pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain.NTSB ANC15LA037Accident · No injuriesLimited investigationFinal reportDehavilland DHC-3T · Skwentna, AKThe flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab.NTSB CEN15LA259Accident · Minor injuriesLimited investigationFinal reportGulfstream-Schweizer A/C Gulfstream AM G 164B · Delaplaine, ARThe pilot’s failure to establish a proper airspeed and angle-of attack during takeoff in elevated density altitude and light tailwind conditions, which resulted in an aerodynamic stall.NTSB WPR15LA160Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Maxwell, CAThe pilot’s improper preflight inspection and fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.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 WPR15LA023Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Basin City, WAMaintenance personnel’s and the airplane owner’s failure to inspect the engine for cracks in the cylinders as required by an airworthiness directive, which resulted in the loss of engine power during low-altitude maneuvering flight.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 CEN14LA450Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Natchez, LAThe loss of power due to the failure of the No. 2 exhaust valve and rocker boss during takeoff.NTSB CEN14LA439Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Wray, COA loss of the No. 1 cylinder’s compression due to a stuck exhaust valve caused by a lack of sufficient valve clearance, which resulted in a loss of engine power and a forced landing. Contributing to the loss of engine power were the worn intake and exhaust…NTSB CEN14CA442Accident · No injuriesData collectionFinal reportRockwell International S 2R · Kerkhoven, MNThe pilot failure to see and avoid the guide wire during the aerial application flight.NTSB ERA14CA394Accident · No injuriesData collectionFinal reportNorth American SNJ-6 · Readington, NJThe pilot's failure to maintain aircraft control during landing which resulted in an aircraft nose-over.NTSB CEN14CA427Accident · Serious injuriesData collectionFinal reportAir Tractor AT 401B · Cimarron, KSThe pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.NTSB WPR14LA322Accident · 1 fatalLimited investigationFinal reportSchweizer G 164B · Tulelake, CAThe pilot's failure to maintain clearance from power lines while maneuvering during low-altitude operations.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 CEN14LA287Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Pearsall, TXThe failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the…NTSB CEN14LA284Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Winner, SDThe pilot's improper decision to attempt a takeoff with a tailwind and his failure to achieve the proper airspeed for liftoff, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall shortly after liftoff.NTSB ANC14LA035Accident · No injuriesLimited investigationFinal reportDehavilland DHC-3T · Homer, AKThe flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab.NTSB WPR14LA198Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Medicine Lake, MTThe pilot’s failure to maintain airplane control and sufficient altitude to clear terrain during a low-altitude maneuver.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 WPR14LA201Accident · No injuriesLimited investigationFinal reportSchweizer G 164B · Biggs, CAThe assembler’s improper fabrication of a fuel line (hose) and the subsequent failure to verify that it was not occluded, which resulted in fuel starvation and a total loss of engine power during takeoff.