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 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 WPR14CA002Accident · No injuriesData collectionFinal reportAir Tractor AT 401 · Waco, TXThe pilot’s failure to maintain directional control during the takeoff in gusting wind conditions.NTSB CEN13LA533Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Atlantic, IAThe pilot’s delay in releasing product to reduce the airplane’s weight and improve its climb performance, which was reduced because of the high density altitude.NTSB CEN13LA504Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Walnut Ridge, ARThe pilot's failure to properly set the engine power for takeoff, which resulted in the airplane subsequently settling into terrain.NTSB CEN13LA519Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer Gulfstream AM G 164B · Eagle Lake, TXThe failure of one of the engine cylinders, which resulted in the total loss of engine power and subsequent forced landing.NTSB CEN13LA443Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Monte Vista, COThe partial loss of engine power due to a fatigue failure of the engine cylinder exhaust rocker housing as a result of an excessively torqued rocker assembly.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 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 CEN13LA394Accident · Minor injuriesLimited investigationFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Colfax, LAThe pilot’s failure to maintain clearance from a tree.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 WPR13LA248Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Wheatland, WYA loss of engine power due to fuel exhaustion and the pilot's inadequate fuel planning.NTSB WPR13LA223Accident · 1 fatalLimited investigationFinal reportSchweizer G-164B · Biggs, CAThe pilot’s failure to adequately monitor the runway environment during taxi, which resulted in an on-ground collision.NTSB ERA13CA163Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Greenbrier, ALThe pilot’s failure to maintain adequate clearance from trees.NTSB CEN13LA152Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Victoria, TXThe mechanical failure of the engine power section, which resulted in a loss of engine power.NTSB ERA13LA029Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Edison, GAThe total loss of engine power due to the fatigue failure of the k-pin associated with the No. 1 cylinder.NTSB WPR12CA403Accident · Minor injuriesData collectionFinal reportAyres S2R-R1340 · Brawley, CAThe pilot's decision to attempt to takeoff in high temperatures with a tailwind. Contributing to the accident was the sun glare.NTSB CEN12LA589Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Ralls, TXThe total loss of engine power due to a fatigue failure of the rocker arm journal casting of the rocker arm cap.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 WPR12LA356Accident · Minor injuriesLimited investigationFinal reportRockwell S2R · Royal City, WAThe loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.NTSB CEN12LA513Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor G-164A · La Salle, COThe loss of engine power due to the detached distributor rotor.NTSB CEN12LA491Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Fergus Falls, MNA total loss of engine power due to a cracked No. 2 cylinder head.NTSB CEN12LA440Accident · 1 fatalLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Darksville, MOThe pilot did not maintain clearance from a tree line at the completion of an agricultural spray run.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 WPR12LA233Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Wilton, CAThe failure of the hopper gate mechanism and subsequent sulfur fire during a low-level maneuver.NTSB WPR12CA229Accident · No injuriesData collectionFinal reportRockwell International S-2R · Royal City, WAThe pilot’s failure to maintain adequate clearance from an object during an aerial application, which resulted in damage to the landing gear and led to the airplane ground looping during the subsequent landing.NTSB CEN12LA357Accident · No injuriesLimited investigationFinal reportRockwell International S-2R · Howard, SDA fractured fabricated aluminum oil line, which resulted in oil exhaustion followed by a forced landing.NTSB CEN12CA313Accident · Serious injuriesData collectionFinal reportAyres S2R-R1340 · Clear Lake, SDThe pilot's failure to perform a detailed observation of the power lines before beginning the aerial application work, which resulted in an inadvertent collision with the two lower wires.NTSB CEN12CA274Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Cedar Bluffs, NEThe pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.NTSB CEN12CA264Accident · No injuriesData collectionFinal reportAir Tractor AT-301A · Cheyenne Wells, COThe pilot’s inadequate compensation for the wind conditions during takeoff.NTSB WPR12CA103Accident · No injuriesData collectionFinal reportRockwell International S-2R · Yellow Pine, IDThe pilot did not reduce the airplane’s descent rate prior to the landing flare/touchdown, which resulted in a hard landing.NTSB ERA12CA291Accident · Serious injuriesData collectionFinal reportNorth American SNJ-6 · Kissimmee, FLThe passenger’s fall from the airplane during a normal egress.NTSB WPR12CA026Accident · Serious injuriesData collectionFinal reportAyres S2R-600 · Kahlotus, WAThe pilot’s failure to maintain clearance from the ground due to his distraction with programming a global positioning system receiver.NTSB ERA12CA050Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · McAlpin, FLThe pilot's misjudgment of the airplane's distance from known transmission lines.NTSB ANC11FA107Accident · 1 fatalField investigationFinal reportDehavilland DHC-3T · Kodiak, AKThe pilot’s failure to maintain clearance from a tree during a low altitude maneuver and his failure to maintain control of the airplane. Contributing to the accident was the pilot’s use of over-the-counter sedating medications.NTSB CEN11LA610Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Monette, ARThe fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.NTSB CEN11LA556Accident · No injuriesLimited investigationFinal reportGrumman G-164A · El Campo, TXSeparation of the No. 3 cylinder exhaust valve rocker arm, which resulted in a loss of engine power.NTSB WPR11LA386Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Hardin, MTThe loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.NTSB ERA11CA449Accident · Minor injuriesData collectionFinal reportNorth American AT-6D · Canon, GAThe pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.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 CEN11CA570Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Minot, NDThe pilot's failure to maintain directional control during the crosswind landing, resulting in a ground loop.NTSB WPR11LA320Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Yuba City, CAHigh-cycle fatigue on the 1st-stage compressor blade retaining ring, which resulted in the ring’s fracture and a subsequent loss of engine power.NTSB WPR11CA286Accident · No injuriesData collectionFinal reportAir Tractor AT301 · Circle, MTThe pilot's failure to attain and maintain an adequate airspeed during initial climb.NTSB WPR11LA279Accident · Serious injuriesLimited investigationFinal reportRockwell International S-2R · Brawley, CAThe partial loss of engine power shortly after takeoff, which likely resulted from the failure of the piston connecting rod in cylinder number 3 due to hydraulic lock in that cylinder.NTSB WPR11LA273Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Marysville, CAThe separation of the right main landing gear during takeoff, due to fatigue.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 WPR11CA261Accident · Minor injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Pullman, WAThe pilot's failure to maintain clearance from power lines while maneuvering.