NTSB investigations: Pratt & Whitney R1340 series
126 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the first occurrence was “Loss of engine power”. 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 per year
| 1982 | 10 |
|---|---|
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 6 |
| 1986 | 4 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 7 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 7 |
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 7 |
| 1999 | 6 |
| 2000 | 4 |
| 2001 | 8 |
| 2002 | 6 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 7 |
| 2006 | 4 |
| 2007 | 6 |
Where
Open the mapLatest cases
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
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 NYC07LA203Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Vandemere, NCThe loss of engine power due to the failure of the supercharger bearings.NTSB DFW07LA187Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-402 · Cary, MSThe total loss of engine power due to a power turbine failure. Contributing to the accident were the lack of suitable terrain available to pilot for the forced landing and the low altitude.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 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 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 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 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 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 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 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 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 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 DFW05CA094Accident · No injuriesData collectionFinal reportGrumman G-164A · Tuckerman, ARThe loss of engine power as result of the failure of the number nine cylinder.NTSB FTW04LA182Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Eagle Lake, TXThe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA04LA125Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Wendell, IDA cracked cylinder head which resulted in a loss of engine power while maneuvering. High vegetation was a factor.NTSB FTW04LA150Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Cotton Plant, ARThe loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW04LA091Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Plain Dealing, LAA loss of engine power due to undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB LAX04LA126Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Tracy, CAA loss of engine power for undetermined reasons during cruise flight.NTSB FTW03LA204Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Winnsboro, LAThe pilot's inadequate inflight planning, 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 CHI03LA249Accident · No injuriesLimited investigationFinal reportNorth American AT-6D · Brookings, SDThe inadequate fuel supply for the flight, and the inadequate preflight by the pilot resulting in exhaustion of the fuel supply and subsequent loss of engine power. The tree was a contributing factor.NTSB SEA03LA152Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Hermiston, ORThe pilot's inadequate in-flight decision by failing to refuel, resulting in fuel exhaustion and the loss of power. Rocky terrain was a factor.NTSB LAX03LA158Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Willows, CAA loss of engine power for an undetermined reason during an aerial application.NTSB CHI03LA106Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Benson, MNThe loss of engine power for undetermined reasons.NTSB CHI02LA238Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Sturgis, MIThe failure of the turbine section of the engine, and the unsuitable terrain encountered for the forced landing. The low altitude was a factor.NTSB CHI02CA224Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · Malta, ILThe probable cause of this accident was fuel exhaustion, due to a failure to properly compute initial fuel quantity and/or fuel consumption.NTSB MIA02LA135Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Cochran, GAA loss of power while conducting aerial application to cotton crops due to failure of a magneto housing, and the resultant emergency descent and landing to an unsuitable field, causing the collision with a tree.NTSB FTW02LA152Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Hathaway, LAthe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI02LA133Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Bancroft, WIThe loss of engine power due to contamination of the fuel system from an unknown source and the blocked fuel filter. The rough terrain was a factor.NTSB ATL02FA072Accident · 2 fatalField investigationFinal reportNorth American T-6-AT6D · Gainesville, GAA loss of engine power following a supercharger bearing failure and subsequent collision with the ground while maneuvering for an emergency landing.NTSB FTW01LA209Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Eagle Lake, TXthe partial loss of engine power for an undetermined reason, which resulted in an in flight collision with trees and terrain.NTSB CHI01LA300Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Atlantic, IAThe loss of engine power for undetermined reasons during the takeoff and initial climb, and the unsuitable terrain encountered during the forced landing. Factors relating to this accident were the corn crop and the low altitude.NTSB ATL01LA100Accident · No injuriesLimited investigationFinal reportRockwell S2R · Bentonia, MSThe loss of engine power due to the loss of throttle cable continunity. The throttle cable linkage was worn beyond servicable limits. A factor was uneven terrain at the emergency landing site.NTSB ATL01LA099Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Batesville, MSThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for an emergency landing.NTSB SEA01LA146Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Latah, WAthe failure of a cylinder head exhaust rocker shaft boss while the aircraft was performing aerial application. Factors include soft terrain and a drop-off in the field where the emergency landing took place.NTSB MIA01LA204Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Edison, GAPartial loss of engine power for undetermined reasons during takeoff resulting in the airplane descending, colliding with the ground, and nosing over.NTSB CHI01LA242Accident · No injuriesLimited investigationFinal reportAg-Cat G-164B · Wallace, NEThe inadequate preflight planning by the pilot, the pilot initiating the flight with an inadequate fuel supply, and the unsuitable terrain encountered during the forced landing. Factors were the fuel exhaustion, the low altitude and the soft field.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 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 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 LAX00LA162Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164B · Lodi, CAA loss of engine power for undetermined reasons.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 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 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 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 SEA99LA075Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Jerome, IDFuel exhaustion. Carburetor contamination and rough terrain were factors.