NTSB investigations: Pratt & Whitney R1340 series, LA

120 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 per year

19642026
NTSB investigations: Pratt & Whitney R1340 series, LA per year, 1964–2026: 120 cases
19641
19651
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19802
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Latest 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.\"eventStateOrRegion\" = 'LA' AND c.\"eventCountry\" = 'USA'
    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.

NTSB CEN24LA364Accident · No injuriesClass 4 · LimitedFinal reportGrumman G-164A · LaPlace, LATotal loss of engine power during the agricultural application flight for reasons that could not be determined.Sep 21, 2024 · N6565 · Substantial damageNTSB CEN24LA146Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Kaplan, LAA partial loss of engine power for reasons that could not be determined.Apr 2, 2024 · N75099 · Substantial damageNTSB CEN24LA029Accident · No injuriesClass 4 · LimitedFinal reportAg-Cat G-164B · Abbeville, LAThe pilot’s failure to maintain clearance from a power line during an aerial application flight.Oct 28, 2023 · N910MG · Substantial damageNTSB CEN22LA157Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Rayville, LAA loss of engine power for a reason that could not be determined based on available information.Mar 26, 2022 · N9192E · Substantial damageNTSB CEN16LA180Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Lyons Point, LAA total loss of engine power due to debris contamination of the fuel system. Contributing to the accident was the pilot's inadequate preflight inspection.May 11, 2016 · N8362K · Substantial damageNTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.Mar 17, 2015 · N9755 · Substantial damageNTSB CEN14LA450Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Natchez, LAThe loss of power due to the failure of the No. 2 exhaust valve and rocker boss during takeoff.Aug 24, 2014 · N91968 · DestroyedNTSB 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.May 5, 2014 · N7309Z · Substantial damageNTSB CEN13LA394Accident · Minor injuriesLimited investigationFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Colfax, LAThe pilot’s failure to maintain clearance from a tree.Jul 4, 2013 · N8187K · Substantial damageNTSB CEN12CA544Accident · Serious injuriesData collectionFinal reportSchweizer, N36289 G-164B · Kaplan, LAThe pilot's failure to maintain clearance from power lines during the aerial application flight.Aug 15, 2012 · N36289 · Substantial damageNTSB CEN09CA283Accident · No injuriesData collectionFinal reportGulfstream-Schweizer A/C Gulfstream · Iowa, LAA partial loss of engine power due to the Number 8 cylinder head cracking and separating from the barrel.May 7, 2009 · N8080K · DestroyedNTSB CEN09CA151Accident · No injuriesData collectionFinal reportSchweizer G-164B · Ferriday, LAThe pilot's loss of control following an impact with birds.Feb 1, 2009 · N3628T · Substantial damageNTSB DFW08CA216Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Wisner, LAThe loss of engine power for undetermined reasons.Aug 22, 2008 · N2391Z · Substantial damageNTSB DFW08CA195Accident · Minor injuriesData collectionFinal reportGrumman 164A · Lake Providence, LAThe pilot's failure to maintain control of the airplane while maneuvering during an aerial application. Contributing to the accident was the wind gust.Jul 22, 2008 · N7249 · Substantial damageNTSB DFW08LA089Accident · No injuriesLimited investigationFinal reportPiper PA24-260 · Abbeville, LAThe failure of both pilots to see and avoid the other approaching airplane. A contributing factor was the close proximity between the two private airstrips.Mar 28, 2008 · N9097P · 2 aircraft · Substantial damageNTSB 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…Jun 6, 2007 · N92PK · Substantial damageNTSB 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.Jul 21, 2005 · N8891H · Substantial damageNTSB 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.Jun 4, 2005 · N6832K · Substantial damageNTSB FTW04CA246Accident · No injuriesData collectionFinal reportGrumman G-164A · Gilbert, LAThe failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.Sep 28, 2004 · N8661H · Substantial damageNTSB FTW04LA179Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Winnsboro, LAThe pilot's mismanagement of fuel resulting in fuel starvation. A contributing factor was the ditch.Jul 10, 2004 · N10061 · Substantial damageNTSB FTW04LA176Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Jonesville, LAThe pilot's failure to maintain clearance with the power lines.Jul 6, 2004 · N8486V · Substantial damageNTSB 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.Mar 13, 2004 · N4359S · DestroyedNTSB 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.Aug 25, 2003 · N301AF · Substantial damageNTSB FTW03LA136Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Batchelor, LAThe pilot's failure to abort the takeoff with adequate runway available. A contributing factor was the high density altitude.Apr 18, 2003 · N36531 · Substantial damageNTSB FTW02LA239Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Simmesport, LAthe contamination of the fuel system with water and a foreign material.Aug 20, 2002 · N991QC · Substantial damageNTSB FTW02LA221Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · New Roads, LAThe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane.Jul 29, 2002 · N48523 · Substantial damageNTSB 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.May 17, 2002 · N48533 · Substantial damageNTSB FTW02LA107Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Ferriday, LAthe failure of the number three cylinder exhaust rocker arm, resulting in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.Mar 28, 2002 · N8498K · Substantial damageNTSB FTW01LA178Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Grand Coteau, LAthe loss of engine power while maneuvering, which resulted from a fractured #4 cylinder head at the exhaust valve rocker arm boss. A contributing factor was the lack of suitable terrain for the forced landing.Aug 9, 2001 · N10140 · Substantial damageNTSB FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.Jul 15, 2000 · N428KG · DestroyedNTSB 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.Jul 13, 2000 · N8151K · Substantial damageNTSB 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.Jun 1, 2000 · N5028Q · Substantial damageNTSB 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.Jan 25, 2000 · N91968 · Substantial damageNTSB 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.Aug 12, 1999 · N8253K · Substantial damageNTSB FTW96LA388Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Ferriday, LAThe partial loss of engine power due to a cracked cylinder head. Factors were the oil leak which restricted the pilot's visual lookout and the lack of suitable terrain for the forced landing.Sep 17, 1996 · N8498K · Substantial damageNTSB FTW96LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Iowa, LAthe pilot's selection of an unsuitable area for takeoff. The high vegetation (tall grass) was a related factor.May 10, 1996 · N6832K · Substantial damageNTSB FTW96FA200Accident · 1 fatalField investigationFinal reportNorth American Harvard MK II · Lafayette, LAfailure of the pilot to maintain adequate airspeed and/or altitude, while performing aerobatic flight.May 4, 1996 · N2755Z · DestroyedNTSB FTW95LA263Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cheneyville, LAThe pilot's failure to maintain adequate airspeed at a low altitude.Jun 27, 1995 · N8685H · Substantial damageNTSB FTW95LA205Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · St Martinville, LAThe pilot's failure to maintain control of the aircraft. A factor was the high winds.May 17, 1995 · N8365K · DestroyedNTSB FTW94LA200Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Pioneer, LAFuel exhaustion due to the pilot's failure to refuel. A factor was a lack of suitable terrain for the forced landing.Jun 16, 1994 · N10112 · Substantial damageNTSB FTW93LA238Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Pioneer, LAThe failure by both pilots to maintain visual lookout. Factors were the inadequate radio communications by both pilots, and the departing pilot's failure to follow procedures and directives.Aug 12, 1993 · N8227K · 2 aircraft · Substantial damageNTSB FTW92DRD05Accident · Minor injuriesFinal reportGrumman G-164 · Thibodaux, LAThe pilot's failure to maintain clearance from the wires.Aug 17, 1992 · N8916H · Substantial damageNTSB FTW91DRD07Accident · No injuriesFinal reportGrumman G-164B · Donaldsonville, LAThe mechanical failure of the propeller blade pitch positioning bolt. A factor was the lack of suitable terrain available for the forced landing.Jul 28, 1991 · N573AF · Substantial damageNTSB DEN91LA077Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Ville Platte, LAPremature pull up from an aerial application swath run resulting in a collision with an electrical transmission line.May 27, 1991 · N48383 · Substantial damageNTSB FTW91LA076Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Pioneer, LAThe pilot's use of a runway unsuitable due to recent rains.May 3, 1991 · N7361 · Substantial damageNTSB FTW90DRD07Accident · No injuriesFinal reportGrumman G-164A · Ville Platte, LAPartial loss of engine power due to a cracked number four cylinder intake rocker box housing. The lack of a suitable forced landing site was a related factor.May 2, 1990 · N8938H · DestroyedNTSB FTW90DRD04Accident · No injuriesFinal reportGrumman G-164B · Fenton, LAFailure of the elevator control rod end bearing.Apr 3, 1990 · N6714K · DestroyedNTSB FTW89DRD12Accident · No injuriesFinal reportSchweizer G-164B · Donaldsonville, LALoss of engine power for undetermined reasons. A contributing factor was the soft terrain.Jul 29, 1989 · N8172K · Substantial damageNTSB FTW89DRD11Accident · No injuriesFinal reportSchweizer G-164A · Lake Arthur, LALoss of engine power for undetermined reasons. The high weeds (vegetation) & levee (dirt bank) were considered to be related factors.Jul 19, 1989 · N48377 · Substantial damageNTSB FTW89DRD07Accident · No injuriesFinal reportGrumman-Schweizer G-164A · Morse, LALoss of engine power for an undetermined reason. The soft terrain was a contributing factor.Jun 15, 1989 · N8916H · Substantial damage