Final NTSB investigations: Pratt & Whitney R1340 series
1,649 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.\"completionStatus\" = 'Completed'
AND 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."completionStatus" = 'Completed'
AND 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 FTW01LA119Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Rosharon, TXthe pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.NTSB CHI01LA135Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Warsaw, ILthe rocker assembly failure during low level maneuvering. Factors were the soft and sandy terrain and the unsuitable terrain the pilot encountered during the forced landing.NTSB LAX01LA183Accident · No injuriesLimited investigationFinal reportNorth American AT-6 D · Prescott, AZThe pilot's inadequate compensation for an existing crosswind condition.NTSB MIA01LA099Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Poplarville, MSa loss of engine power due to a cracked number 2 cylinder which resulted in a forced landing, subsequent impact with the runway, departure from the runway down an embankment, soft terrain and nose over.NTSB SEA01LA055Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Waitsburg, WAThe pilot's failure to maintain clearance from the power lines during a pull-up, resulting in an in-flight collision with the lines, loss of control and subsequent in-flight collision with terrain. Contributing factors were the power lines and the pilot's…NTSB NYC01LA018Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Ridgeway, VAThe pilot's failure to maintain proper runway alignment during the landing roll. A factor in this accident was a slight bend in the runway.NTSB LAX00LA344Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Corcoran, CAThe pilot's inadequate preflight inspection and his failure to maintain directional control during takeoff. Factors were the pilot's failure to ensure that the fuel tank cover was replaced properly, fuel contamination of the windscreen, and the sun angle that…NTSB DEN00FA164Accident · 2 fatalField investigationFinal reportNorth American SNJ-5 · Steamboat Spg, COthe pilot's inadvertent entry into a spin while performing aerobatics.NTSB MIA00LA245Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Berlin, GAthe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall and collision with terrain.NTSB CHI00LA257Accident · 1 fatalLimited investigationFinal reportAyres S2R-600 · Bad Axe, MIThe inadvertent stall/spin encountered by the pilot. A factor was the low altitude.NTSB CHI00LA247Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Wallace, NEthe fractured number three exhaust push rod assembly and the unsuitable terrain encountered by the pilot.NTSB SEA00LA148Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-301 · Brockway, MTThe pilot's failure to maintain clearance from power lines.NTSB SEA00LA141Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Grand View, IDInternal deterioration of a fuel line, resulting in loss of engine power. Factors included obstruction of the fuel line, fuel starvation, and a fence in the forced landing area.NTSB FTW00LA212Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-401 · Panhandle, TXThe pilot's failure to maintain airspeed, which resulted in a stall.NTSB FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.NTSB FTW00LA209Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Kaplan, LAThe loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB LAX00LA261Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Gridley, CAA partial loss of engine power due to the failure of an exhaust valve during an aerial application flight.NTSB LAX00LA254Accident · Minor injuriesLimited investigationFinal reportNorth American AT-6F · Grass Valley, CAfailure of the pilot to maintain directional control during the landing roll resulting in a collision with terrain.NTSB FTW00LA186Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Hondo, TXThe fuel exhaustion due to the pilot's failure to refuel the airplane. A factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA168Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Garwood, TXthe loss of engine power in cruise flight as a result of the failure of the right magneto. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA162Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401B · Thibodaux, LAThe pilot's failure to maintain clearance with the power lines while maneuvering during an aerial application flight. A factor was the sunglare on the windscreen.NTSB FTW00LA159Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Garwood, TXThe failure of the supercharger seal resulting in the loss of engine power. A factor was the lack of suitable terrain for the forced landing.NTSB MIA00LA168Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Monticello, MSThe failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.NTSB LAX00LA199Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Biggs, CAThe broken exhaust valve rocker arm of the number 3 cylinder that resulted in a total loss of engine power during an aerial application flight.NTSB SEA00LA082Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Ephrata, WALoss of engine power due to failure of the number three cylinder exhaust valve push rod. Soft terrain encountered during the landing roll-out was a factor.NTSB LAX00LA162Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164B · Lodi, CAA loss of engine power for undetermined reasons.NTSB ATL00LA044Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Colquitt, GAA loss of engine power for undetermined reasons.NTSB SEA00LA059Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Odessa, WADisintegration of a lining of the right brake and subsequent lodging of brake lining debris between the brake housing and brake disc, resulting in seizure of the right brake. A factor was that directional control was not possible.NTSB FTW00LA097Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Gillett, ARThe cracked #8 cylinder resulting in failure of the cylinder. A factor was the plowed/furrowed terrain.NTSB LAX00LA105Accident · Minor injuriesLimited investigationFinal reportAyres · Elko, NVthe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the ensuing forced landing.NTSB FTW00LA074Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Rayville, LAThe loss of engine power due to a crack in the #6 cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA012Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Olton, TXThe inflight separation of the propeller blade due to damage from a wire strike. A factor was the lack of suitable terrain for the forced landing.NTSB DEN99LA169Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A · Animas, NMA inadvertent stall during initial climb following takeoff. Factor were: high gross weight, high density altitude, inadequate preflight planning and preparation, and soft terrain.NTSB LAX99LA312Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Acampo, CAThe pilot's failure to maintain runway alignment, which resulted in the aircraft encountering high vegetation, the loss of directional control, and collision with trees.NTSB ATL99LA129Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Caledonia, MSThe failure of the fuel control gear train due to oil contamination. A factor was Inadequate maintenance.NTSB FTW99LA252Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Seminole, TXThe pilot's failure to maintain clearance with powerlines. A factor was the pilot's diverted attention to the light bar for the electronic swath guidance system installed in the airplane.NTSB DEN99LA155Accident · Minor injuriesLimited investigationFinal reportNorth American SNJ-4 (AT-6) · Mack, COThe pilot misjudging his distance and altitude from the runway. A factor was the tall crops.NTSB FTW99LA239Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Hart, TXThe pilot's failure to maintain clearance with power lines.NTSB FTW99LA225Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Dermott, ARThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA220Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Humphrey, ARFuel exhaustion as a result of the pilot's failure to refuel the airplane.NTSB FTW99LA218Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Ferriday, LAThe pilot's failure to refuel the airplane which resulted in a loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.NTSB CHI99LA287Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Garden City, KSThe pilot's misjudging his pull-up maneuver resulting in contact with the wire. A contributing factor was the wire.NTSB MIA99LA212Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Moore Haven, FLThe pilot exceeding the gross takeoff weight which reduced the climb capability and subsequent in-flight collision with terrain. Contributing to the accident was the high temperature and the pilot's failure to use aircraft performance data for the weather…NTSB CHI99LA274Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Harlan, IAthe failure of the pilot to maintain directional control of the aircraft during landing. Factors to the accident were the crosswind, the failure of the pilot to maintain compensation for the crosswind condition on approach, and the inadvertent ground loop…NTSB CHI99LA268Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401B · Edelstein, ILan inadequate fuel supply which resulted in fuel exhaustion. Factors associated with the accident were the low altitude at which the power loss occurred and the corn crop the airplane contacted.NTSB CHI99LA258Accident · Serious injuriesLimited investigationFinal reportAir Tractor 401B · Mccanna, NDthe inadvertent stall by the pilot.NTSB SEA99LA125Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · American Falls, IDA loss of engine power for undetermined reasons, and overload of the (right) main landing gear. A contributing factor was the rough terrain.NTSB MIA99LA203Accident · No injuriesLimited investigationFinal reportAir Tractor 301 · Drew, MSa loss of engine power due to the failure of cylinder No. 4 boss, which was caused by fatigue cracking, resulting in a forced landing in marshy terrain and subsequent nose over.NTSB SEA99LA115Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Paul, IDThe pilot's failure to attain adequate airspeed during takeoff and initial climb, resulting in stall/mush and inability of the aircraft to sustain level flight. Factors included high density altitude, a tailwind, an uphill takeoff surface, and crops in the…NTSB CHI99LA215Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Page, NDthe pilot's failure to compensate for the wind conditions. Factors were the sudden windshift and the crops.