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 CHI07LA219Accident · No injuriesLimited investigationFinal reportNorth American T-6G · Fond Du Lac, WIThe loss of engine power due to the failure of the engine's master connecting rod which resulted in the forced landing. The road sign was a factor.NTSB CHI07CA230Accident · Minor injuriesData collectionFinal reportGulfstream-Schweizer Gulfstream AM G-164B · Walnut Ridge, ARThe pilot's improper decision to takeoff with a tailwind which resulted in a collision with terrain immediately after liftoff. Factors contributing to the accident were the tailwind and the levee.NTSB CHI07LA221Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Moline, ILFatigue failure of the engine cylinder during cruise flight resulting in a loss of engine power. Additional causes were the pilot's failure to maintain sufficient airspeed and the resulting inadvertent stall during the forced landing. A contributing factor…NTSB CHI07CA220Accident · Minor injuriesData collectionFinal reportSchweizer G-164B · West Liberty, IAThe pilot's inadvertent encounter with birds immediately after takeoff and the resulting loss of engine power. Contributing factors were the fence and ditch encountered during the overrun.NTSB CHI07CA209Accident · Serious injuriesData collectionFinal reportAir Tractor AT-301 · Lignite, NDThe pilot's poor in-flight planning and failure to maintain control of the airplane when he encountered his own vortex turbulence at a low altitude.NTSB CHI07CA206Accident · No injuriesData collectionFinal reportGrumman G-164B · Alicia, ARA loss of engine power for undetermined reasons. Factors associated with the accident were the low altitude at which the loss of power occurred and the flooded rice field in which the airplane was landed.NTSB DFW07LA148Accident · Serious injuriesLimited investigationFinal reportAir Tractor 301 · Lueders, TXThe pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with terrain.NTSB CHI07CA188Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Walkerville, ILThe altitude/clearance not maintained by the pilot during the aerial application flight. The corn was a contributing factor.NTSB CHI07LA173Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Fergus Falls, MNThe propeller blade failure during climb due to a fatigue crack. The oil leak that obstructed the pilot's vision was a factor in the accident.NTSB DFW07LA138Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Oak Grove, LAA complete loss of power due to failure of the impeller drive gear train and displacement of the blower spring drive mechanism, which resulted in seizure of the propeller shaft/crankshaft. Also causal was the failure of the phenolic separator bracket of the…NTSB DFW07CA129Accident · No injuriesData collectionFinal reportGrumman G-164A · Sayre, OKThe partial loss of engine power on takeoff-initial climb for an undetermined reason. A factor associated with the accident was the lack of suitable terrain for a forced landing.NTSB CHI07LA162Accident · 1 fatalLimited investigationFinal reportAero Commander S2R · Watford City, NDThe agricultural pilot's failure to maintain clearance from the terrain while maneuvering to avoid power lines. The power lines were a contributing factor in the accident.NTSB CHI07CA163Accident · Minor injuriesData collectionFinal reportSchweizer G-164B · Walnut Ridge, ARThe pilot's failure to maintain directional control of the airplane upon landing, which resulted in the airplane impacting a rice levee. The rice levee and the tailwind condition were contributing factors to the accident.NTSB CHI07CA144Accident · No injuriesData collectionFinal reportGulfstream-Schweizer Gulfstream AM G-164B · Walnut Ridge, ARA non-mechanical loss of engine power during the takeoff roll due to fuel contamination. An additional cause was the pilot's inadequate preflight inspection. A factor in the accident was the soft ground.NTSB DEN07LA074Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Pueblo, COThe pilot of the North American SNJ-5 warbird's inadequate visual lookout while taxiing, resulting in an on-ground collision with the stationary Grob motor glider.NTSB DFW07CA081Accident · No injuriesData collectionFinal reportGulfstream-Schweizer G-164B · Arcola, MSThe pilot's failure to maintain clearance from trees while maneuvering during aerial application.NTSB LAX07CA053Accident · No injuriesData collectionFinal reportNorth American AT-6C · Mojave, CAthe pilot's failure to maintain adequate clearance from a sign while performing a low altitude maneuver.NTSB ATL07CA018Accident · No injuriesData collectionFinal reportGrumman G-164B · Pine Hill, ALThe pilot's improper fuel management resulting in a total loss of engine power in cruise flight due to fuel exhaustion, subsequent forced landing to non suitable terrain, and an on-ground collision with tree stumps on the landing roll out.NTSB DFW06CA214Accident · No injuriesData collectionFinal reportAir Tractor 301 · Big Spring, TXA loss of engine power due to fuel exhaustion as result of the pilot's failure to refuel the airplane. A contributing factor was the lack of suitable terrain for a forced landing.NTSB ANC06LA134Accident · No injuriesLimited investigationFinal reportde Havilland DHC-3 · Wainwright, AKThe pilot's failure to adequately compensate for wind conditions during the landing roll, which resulted in a loss of control, and subsequent collision with a ditch when the airplane departed the runway. A factor contributing to the accident was a crosswind.NTSB LAX06LA280Accident · No injuriesLimited investigationFinal reportSikorsky S-55 · Paramount, CAthe loss of engine power for undetermined reasons. A factor was the unsuitable terrain for the landing.NTSB CHI06CA235Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · Gering, NEThe pilot's failure to maintain clearance from the power lines during the aerial application flight. Factors were the low altitude and power lines.NTSB ANC06LA103Accident · Serious injuriesLimited investigationFinal reportde Havilland DHC-3 · Juneau, AKThe pilot's failure to maintain altitude/clearance during approach, which resulted in the airplane impacting the surface of the water. Factors associated with the accident were the flat-light and glassy water conditions, which affected the pilot's ability to…NTSB CHI06CA222Accident · Minor injuriesData collectionFinal reportRockwell S2R · Park Rapids, MNA loss of engine power for undetermined reasons and the inadequate airspeed during the forced landing which resulted in a stall/mush. A factor was the low altitude at which the airplane was being operated.NTSB SEA06CA145Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Lamont, WAThe pilot's failure to maintain terrain clearance while maneuvering.NTSB NYC06LA180Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Vineland, NJA loss of engine power due to foreign object damage for undetermined reasons. Contributing to the accident was the furrowed field.NTSB CHI06CA195Accident · No injuriesData collectionFinal reportGrumman G-164A · Lakeview, MIA loss of engine power for undetermined reasons. A factor associated with the accident was the low altitude at which the airplane was being operated when the loss of engine power occurred.NTSB DEN06CA088Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164A · Cokeville, WYthe pilot's failure to maintain directional control resulting in a ground loop. Contributing factors included the high winds and crosswind.NTSB SEA06CA111Accident · No injuriesData collectionFinal reportNorth American SNJ-6 · American Falls, IDThe pilot's performance of low altitude flight and his failure to maintain clearance with a power line, which resulted in an in-flight collision with the power line.NTSB DFW06CA152Accident · No injuriesData collectionFinal reportAir Tractor AT-401 · Victoria, TXThe pilot's delay in aborting the takeoff which resulted in an overrun. A contributing factor was the unfavorable wind.NTSB SEA06CA117Accident · No injuriesData collectionFinal reportAyres S-2R · Grand View, IDThe pilot's inadvertent reduction of turbine engine power to the reverse position while landing on a desert road. A factor was the fence adjacent to the road.NTSB DFW06LA130Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · DeWitt, ARThe failure by both pilots to maintain adequate visual lookout and the Grumman G-164A pilot's impairment caused by the recent use of marijuana.NTSB ANC06CA039Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · Dixon, CAThe pilot's failure to attain altitude/clearance during takeoff/initial climb, which resulted in an in-flight collision with terrain. Factors associated with the accident were the pilot's inadequate evaluation of the weather, and unfavorable winds.NTSB DEN05LA143Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Torrington, WYfailure of the #7 connecting rod, causing engine seizure. A contributing factor was the berm.NTSB SEA05LA192Accident · No injuriesLimited investigationFinal reportNorth American AT-6D · Chehalis, WAThe pilot's failure to follow the checklist to switch to the fullest fuel tank prior to departure which resulted in fuel starvation and a loss of engine power during the initial takeoff climb. Subsequently, the aircraft landed hard damaging the landing gear…NTSB DFW05IA222Incident · No injuriesIncident investigationFinal reportAir Tractor AT-401 · Winnie, TXThe loss of engine power due to the failure of the second-stage turbine wheel as a result of low cycle fatigue.NTSB CHI05LA229Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Marshalltown, IAThe loss of engine power for undetermined reasons during initial climb and the unsuitable landing area encountered by the pilot during a forced landing.NTSB NYC05LA129Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Penn Yan, NYThe loss of engine power due to a fatigue fractured pushrod.NTSB CHI05LA211Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Buchanan, NDThe pilot failed to maintain obstacle clearance from the power lines. Factors included the glare on the windshield and the power lines.NTSB NYC05LA126Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Felton, DEThe mechanic's inadequate annual inspection, and failure to comply with an airworthiness directive, which resulted in a total failure of the second stage turbine rotor.NTSB CHI05CA207Accident · No injuriesData collectionFinal reportAllied Ag Cat Productions G-164A · Trufant, MIThe pilot's inadequate visual lookout and not maintaining clearance from the watering pivot during the aerial application maneuver and the unsuitable terrain he encountered during the emergency landing. A factor was the sunglare encountered.NTSB DFW05CA186Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164A · Tallulah, LAThe partial loss of engine power as result of the fracture of the number five-cylinder exhaust valve rocker arm mounting boss. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI05LA188Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Langdon, NDThe pilot's failure to maintain clearance from the terrain while attempting an abrupt turning maneuver at a low altitude.NTSB CHI05CA183Accident · Serious injuriesData collectionFinal reportRockwell S-2R · Guelph, NDThe pilot's failure to maintain clearance to the guy wire during the agricultural application pass. Contributing factors were the guy wire, and low altitude flight.NTSB DFW05CA177Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164C · Gillett, ARThe loss of engine power resulting from a disconnected discharge pressure line at the fuel control unit. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA05LA126Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Mountain Home, IDThe pilot's inadequate in-flight decision by failing to refuel resulting in fuel exhaustion during cruise flight and the loss of engine power. A vehicle was a factor in the on ground collision.NTSB DFW05LA175Accident · No injuriesLimited investigationFinal reportNorth American T-28B · Abilene, TXThe pilot's failure to maintain clearance while taxiing. Contributing factors were the pilot's diverted attention and the inaccurate frequency listing for ground control.NTSB DFW05CA166Accident · No injuriesData collectionFinal reportRockwell International S-2R · Watson, ARThe loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall.NTSB DFW05LA147Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Lake Charles, LAThe failure of the propeller governor which resulted in a forced landing. A contributing factor was the transmission wire.NTSB ATL05FA079Accident · 2 fatalField investigationFinal reportNorth American SNJ-6 · Kissimmee, FLThe failure of the outboard right-wing lower attachment bracket due to fatigue cracking and the subsequent in-flight separation of the right wing assembly.