NTSB investigations: Pratt & Whitney R-985 series, LA
107 cases on aircraft whose registry engine model is Pratt & Whitney R-985 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
| 1964 | 1 |
|---|---|
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 5 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 8 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 5 |
| 1981 | 3 |
| 1982 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 4 |
| 1992 | 1 |
| 1993 | 5 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2005 | 3 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2018 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
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.\"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 ('52008'))
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."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 ('52008'))
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 CEN25LA231Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lockport, LAThe pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.NTSB CEN24LA213Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Shuteston, LAThe pilot failure to maintain directional control while landing on a wet grass strip.NTSB CEN23LA202Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Wright, LAThe pilot's decision to takeoff with the airplane overloaded which resulted in the airplane settling and subsequently impacting terrain.NTSB GAA19CA009Accident · No injuriesData collectionFinal reportStearman A75N1(PT17) · New Orleans, LAThe pilot’s failure to maintain directional control during a crosswind landing.NTSB CEN18LA357Accident · No injuriesLimited investigationFinal reportGrumman G164 · Opelousas, LAThe loss of two securing bolts that allowed the left magneto to move around, which disrupted the spark timing and resulted in the engine losing total power.NTSB CEN11LA396Accident · Minor injuriesLimited investigationFinal reportGrumman G164 · Oak Ridge, LAThe flight instructor's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and subsequent impact with trees.NTSB CEN10CA426Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Alexandria, LAThe loss of engine power for undetermined reasons.NTSB DFW08CA168Accident · Minor injuriesData collectionFinal reportGrumman G-164 · Tallulah, LAThe pilot's failure to maintain aircraft control. Contributing to the accident was the pilot's failure to maintain adequate airspeed.NTSB DFW05CA236Accident · Serious injuriesData collectionFinal reportGrumman G-164B · Epps, LAThe pilot's failure to maintain clearance with the power lines.NTSB DFW05CA212Accident · No injuriesData collectionFinal reportGrumman G164B · Alexandria, LAThe pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.NTSB DFW05CA084Accident · No injuriesData collectionFinal reportGrumman G-164A · Gilbert, LAThe pilot's failure to maintain control of the airplane during landing. A contributing factor was a deflated right main tire.NTSB FTW02LA194Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Basile, LAthe loss of engine power as a result of fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW01LA193Accident · No injuriesLimited investigationFinal reportGrumman G164B · Rayville, LAthe partial failure of the magneto drive coupling while maneuvering, which resulted in a loss of engine power and a forced landing. A contributing factor to the accident was the lack of suitable terrain for the forced landing.NTSB FTW01LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA239Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Kaplan, LAthe failure of the supercharger during takeoff. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA167Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G164B · Natchitoches, LAThe failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.NTSB FTW99LA182Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Iowa, LAThe pilot's failure to maintain clearance with the crops being sprayed. A factor was the pilot's diverted attention.NTSB FTW99LA101Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jennings, LAThe pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.NTSB FTW98LA249Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Iowa, LApartial loss of engine power during takeoff for undetermined reason(s). The obstructions (trees & dirt bank) were related factors.NTSB FTW98LA193Accident · Serious injuriesLimited investigationFinal reportLerille P & W 1937 · Lafayette, LAThe fuel exhaustion due to the pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.NTSB FTW98LA058Accident · Serious injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Lecompte, LAa loose battery cover, due to improper installation by maintenance personnel, that became jammed with an elevator control rod and restricted the movement of the elevator control system, which subsequently led to an uncontrolled impact with a tree, shortly…NTSB FTW95LA331Accident · No injuriesLimited investigationFinal reportGrumman G-164A · St.Francisville, LAThe pilot's failure to maintain clearance with the obstruction on short final. A factor was the low visibility.NTSB FTW95LA197Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Abbeville, LAThe inadvertent stall.NTSB FTW94LA270Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Shreveport, LAThe pilot's incapacitation due to a heart attack.NTSB FTW93LA179Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Kaplan, LAThe pilot's failure to have the airplane properly attended during start when people were available. A factor was the inadequate tie down rope.NTSB FTW93LA177Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Crowley, LASevere propeller and airframe vibration for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW93LA175Accident · No injuriesLimited investigationFinal reportGrumman G-164B · St. Martinville, LAThe pilot's and tractor driver's inadequate visual lookoutNTSB FTW93LA153Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Arnaudville, LAThe loss of engine power for undetermined reasons. A factor was the unsuitable terrainNTSB FTW93LA089Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Indian Village, LALanding performed short of the runway threshold. Factor was wet grassy terrainNTSB FTW92LA137Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Kinder, LAThe failure of the left brake which led to a loss of directional control. A factor was the rough terrain immediately adjacent to the runway.NTSB FTW90DRD14Accident · 1 fatalFinal reportGrumman G-164A · Sommerset, LAThe pilot's failure to attain adequate clearance above crops at the end of the runway.NTSB FTW90DRD10Accident · No injuriesFinal reportGrumman G-164B · Mamou, LAPilot misjudged wind information. Factors contributing to the accident were the tailwind, the trees and the levee.NTSB FTW90DRD05Accident · No injuriesFinal reportSchweizer G-164B · Reeves, LALoss of engine power due to a frozen rocker arm.NTSB FTW90DRD03Accident · No injuriesFinal reportGrumman G-164A · Glynn, LALoss of directional control on the ground, due to intermittent locking of the right brake during the landing roll.NTSB FTW89DRD09Accident · No injuriesFinal reportSchweizer G-164A · Bunkie, LAThe loss of the number five cylinder in flight, resulting in a loss of engine RPM. The pilot misjudged the landing flare height due to obscured vision from fire and smoke and the airplane stalled and impacted the ground nose first.NTSB FTW89DRD06Accident · No injuriesFinal reportGrumman-Schweizer G-164B · Ville Platte, LAWear and/or failure of the carburetor/float. Factors related to the accident were: the terrain conditions.NTSB FTW88DRD11Accident · Minor injuriesFinal reportSchweizer G-164B · Cheneyville, LAThe ag airplane was returning after spraying chemical when the engine started to lose power. During the forced landing on a highway the left wing struck a road sign. No mechanical reason for the engine power loss was found. The acft had an annual inspection…NTSB FTW87DRD14Accident · No injuriesFinal reportGrumman G-164B · Oak Grove, LAAfter completing the last pass of an agricultural operation the pilot pulled up and started a turn. At this time the engine started shaking and losing power. The pilot attempted a forced landing in a soft field. The wheels bogged four or five inches into the…NTSB FTW86LRD15Accident · No injuriesFinal reportGrumman G-164B · Church Point, LAThe acfts left wingtip caught in weeds during takeoff and the acft was pulled left. The plt had turned to avoid a wet spot on the airstrip and contacted the high weeds then swerved into a rice levee.NTSB FTW86LRD12Accident · No injuriesFinal reportGrumman G-164A · Branch, LAShortly after takeoff, a partial power loss occurred & the plt made a forced landing in a soft plowed field, where the acft nosed over onto its back. The plt rprtd the loss of power was due to failure of the eng blower.NTSB FTW85LA235Accident · No injuriesLimited investigationFinal reportGrumman G-164A-450 · Basile, LAThe plt detected a fuel leak after takeoff and returned to land. He shut the acft eng down and exited the acft, but the acft busrt into flames before the prop stopped turing. Subsequent investigation discovered a material failure in a fuel line on the eng…NTSB FTW82DA257Accident · No injuriesFinal reportGrumman G-164A · Epps, LAThe pilot stated that while he was spraying crops, he looked into the cockpit during a turn to check the amount of solution that was remaining. He stated that when he looked up, he was too low to complete the turn and miss the trees. He went to full power and…NTSB FTW81DRJ35Accident · No injuriesClosedBeech D18S · Simsboro, LANTSB FTW81DRD36Accident · No injuriesClosedBoeing A75-N1 · Plaquemine, LANTSB FTW81DRJ21Accident · No injuriesClosedGrumman G-164B · Shreveport, LANTSB FTW80DRJ36Accident · Minor injuriesClosedWeatherly 201B · Winnsboro, LANTSB FTW80DRJ31Accident · No injuriesClosedStearman B75 · Tallulah, LANTSB FTW80DRJ26Accident · No injuriesClosedGrumman G164A · Crowville, LANTSB FTW80DRD29Accident · No injuriesClosedGrumman G-164B · Church Point, LANTSB FTW80DRJ12Accident · Minor injuriesClosedGrumman G-164B · Monroe, LA