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 ERA22LA032Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6D · Pickens, SCThe pilot’s failure to maintain directional control during landing, resulting in a runway excursion and collision with rocky terrain.NTSB CEN21LA393Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Storm Lake, IAThe pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.NTSB ERA21FA334Accident · 1 fatalClass 3 · FieldFinal reportNorth American SNJ-2 · Wilkes-Barre, PAA partial loss of engine power for undetermined reasons. Also causal was the pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for a forced landing following the loss of engine power, which resulted in an aerodynamic stall and…NTSB CEN21FA355Accident · 2 fatalClass 3 · FieldFinal reportNorth American T-6G · Starkville, MSThe pilot’s failure to maintain clearance from trees while maneuvering at low altitude.NTSB WPR21LA299Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Tracy, CAA loss of thrust during a low-level agricultural application flight, which resulted in a descent and impact with terrain. The reason for the loss of thrust could not be determined based on available information.NTSB CEN21LA352Accident · No injuriesClass 4 · LimitedFinal reportNorth American AT-6F · Adrian, MIThe loss of control during landing due to the out of rig condition of the tailwheel which resulted in a ground loop and impact with the runway.NTSB CEN21LA319Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Carroll, IAThe wear-related failure of the airframe fuel boost pump, which resulted in fuel starvation and a loss of engine power.NTSB CEN21LA237Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G164 · Celina, OHA loss of engine power for undetermined reasons.NTSB WPR21LA200Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164C · Glenn, CAThe pilot’s fuel mismanagement, which resulted in fuel exhaustion, a total loss of engine power, and an off-airport hard landing.NTSB CEN21LA133Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Alamo, TXThe partial loss of engine power due to water-contaminated fuel.NTSB CEN20CA347Accident · Minor injuriesClass 4 · Data collectionFinal reportGrumman G164 · Scottsbluff, NEThe pilot’s loss of visual reference during agricultural low-level flight, resulting in collision with power lines.NTSB CEN20LA294Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R · Harlan, IAThe fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.NTSB CEN20LA276Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R R1340 · Keokuk, IAThe improper installation of a fuel vent line during maintenance, which resulted in fuel starvation and a total loss of engine power.NTSB WPR20LA175Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Lincoln, CAThe pilot’s loss of directional control on takeoff for undetermined reasons.NTSB WPR20CA159Accident · No injuriesClass 4 · Data collectionFinal reportGrumman G164 · Maxwell, CAThe pilot's delayed decision to abort the takeoff when the airplane was not attaining sufficient airspeed for takeoff and subsequently departed the end of the runway and collided with terrain. Contributing to the accident was the pilot's inadequate preflight…NTSB CEN20CA176Accident · No injuriesClass 4 · Data collectionFinal reportNorth American SNJ · San Antonio, TXThe pilot's loss of directional control while landing a tailwheel airplane in gusty wind conditions.NTSB WPR20LA025Accident · No injuriesClass 3 · LimitedFinal reportNorth American SNJ-4 · Heber City, UTThe pilot’s loss of directional control during landing as a result of the separated tailwheel-to-rudder link rodNTSB GAA19CA493Accident · No injuriesData collectionFinal reportNorth American AT 6D · Chino, CAThe pilot's improper landing flare, which resulted in a bounced landing, and his subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.NTSB ERA19LA238Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Cuthbert, GAThe failure of the No. 1 bearing due to fatigue which resulted in a partial loss of engine power. The reason for the bearing failure could not be determined based on the available information.NTSB CEN19CA237Accident · No injuriesData collectionFinal reportNorth American AT 6F · Oshkosh, WIThe pilot's loss of directional control during landing with a quartering tailwind, which resulted in a runway excursion and subsequent substantial damage.NTSB CEN19LA156Accident · No injuriesClass 3 · LimitedFinal reportRockwell S 2R · Oakes, NDThe failure of the helical cam gear of the engine assembly due to fatigue cracks in the gear teeth, which resulted in a total loss of engine power.NTSB GAA19CA283Accident · No injuriesData collectionFinal reportRockwell S2R · Grangeville, IDThe pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall.NTSB GAA19CA277Accident · Serious injuriesData collectionFinal reportGrumman G164 · Pearsall, TXThe pilot's failure to maintain clearance from power lines during low-altitude maneuvering.NTSB GAA19CA271Accident · No injuriesData collectionFinal reportAyres S 2R · Stuttgart, ARThe pilot's exceedance of the airplane's critical angle of attack while maneuvering during an agricultural application flight, which resulted in an aerodynamic stall.NTSB WPR19FA145Accident · 2 fatalClass 3 · FieldFinal reportGrumman G164 · Pleasant Grove, CAThe failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.NTSB GAA19CA270Accident · No injuriesData collectionFinal reportGrumman G164 · Lane City, TXThe pilot's failure to maintain clearance from power lines during low-altitude maneuvering.NTSB CEN19MA141Accident · 6 fatalClass 1 · MajorFinal reportDe Havilland DHC-2 · Ketchikan, AKThe inherent limitations of the see-and-avoid concept, which prevented the two pilots from seeing the other airplane before the collision, and the absence of visual and aural alerts from both airplanes’ traffic display systems, while operating in a geographic…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 GAA19CA207Accident · No injuriesData collectionFinal reportNorth American SNJ · Chino, CAThe other pilot's failure to maintain clearance from a stopped airplane while taxiing.NTSB GAA19CA185Accident · Minor injuriesData collectionFinal reportRockwell S 2R · Hermiston, ORThe pilot's distraction due to a spray handle opening and his improper pitch trim setting during final approach, which resulted in an excessive pitchdown when he took his hand off the controls to close the handle.NTSB WPR19LA014Accident · No injuriesClass 3 · LimitedFinal reportNorth American SNJ · Agoura Hills, CAThe failure of the No. 5 piston rod end due to fatigue, which resulted in a total loss of engine power.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 CEN18LA278Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Vinton, IALoss of throttle control input due to a failure in the throttle control system. Contributing to the accident was the inadequate inspection and reinstallation of worn parts by maintenance personnel.NTSB WPR18LA189Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164B · Colusa, CATotal loss of engine power for reasons that could not be determined based on the available information.NTSB GAA18CA414Accident · No injuriesData collectionFinal reportNorth American AT · Moneta, VAThe pilot's failure to maintain a proper descent rate, which resulted in a bounced landing and his subsequent failure to maintain directional.NTSB GAA18CA401Accident · No injuriesData collectionFinal reportGrumman G164 · Rochelle, ILThe pilot’s failure to move the power lever to the proper position before takeoff, which resulted in insufficient airspeed and a subsequent aerodynamic stall.NTSB GAA18CA410Accident · No injuriesData collectionFinal reportAyres S2R · Pantego, NCThe pilot's failure to maintain the proper approach path during landing, which resulted in landing short of the runway.NTSB GAA18CA371Accident · No injuriesData collectionFinal reportAir Tractor AT 301 · Hutchinson, MNThe pilot’s improper preflight fuel planning, which resulted in fuel exhaustion and the subsequent total loss of engine power.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 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 CEN18FA147Accident · 2 fatalField investigationFinal reportNorth American SNJ 5 · Kingsville, TXThe pilot's failure to maintain airspeed during a steep turn after takeoff, resulting in an exceedance of the airplane's critical angle of attack and a subsequent accelerated stall at an altitude too low for recovery.NTSB WPR18LA015Accident · No injuriesLimited investigationFinal reportSchweizer G 164B · Tracy, CAThe pilot's failure to maintain directional control of the airplane during the landing roll.NTSB WPR17LA174Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Brawley, CAThe partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.NTSB GAA17CA459Accident · No injuriesData collectionFinal reportRockwell International S 2R · McRae, GAThe pilot’s failure to maintain directional control during the landing roll in tailwind conditions.NTSB GAA17CA321Accident · No injuriesData collectionFinal reportAg-Cat G 164 · Tulelake, CAThe pilot’s improper decision to perform a low altitude fly-by over ground equipment, which resulted in the airplane striking the equipment.NTSB GAA17CA305Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Maxwell, CAThe pilot's failure to visually check the fuel quantity during the preflight inspection and ensure that sufficient fuel was onboard for the flight, which resulted in a total loss of engine power due to fuel exhaustion.NTSB GAA17CA267Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164 · Walnut Ridge, ARThe pilot’s failure to maintain directional control during the go-around with a tailwind.NTSB GAA17CA242Accident · No injuriesData collectionFinal reportNorth American SNJ · Van Nuys, CAThe pilot’s failure to maintain directional control of the airplane during the landing roll with a quartering tailwind.NTSB CEN17LA163Accident · No injuriesLimited investigationFinal reportGrumman Schweizer G-164 · Palmer, KSA crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.