NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, LA
65 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B. 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
| 1977 | 3 |
|---|---|
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 4 |
| 1983 | 3 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 4 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 5 |
| 1994 | 5 |
| 1995 | 1 |
| 1996 | 2 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 3 |
| 2001 | 2 |
| 2005 | 4 |
| 2008 | 1 |
| 2010 | 2 |
| 2016 | 2 |
| 2023 | 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.aircraft_model_code IN ('3952802'))
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.aircraft_model_code IN ('3952802'))
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 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 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.NTSB CEN16LA173Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Iowa, LAThe pilot's failure to maintain directional control while landing with an inoperative right brake.NTSB CEN10CA510Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Basile, LAThe loss of directional control during landing due to failure of the right brake for undetermined reasons.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 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.NTSB DFW05LA116Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Fenton, LAThe loss of engine power due to fuel starvation as a result of blockage of the firewall fuel filter with an unknown contaminant. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW01LA203Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Lydia, LAthe pilot's failure to maintain clearance with a marked tower while maneuvering.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 FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.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 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 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 FTW99LA113Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Franklinton, LALoss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.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 FTW98LA194Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Oberlin, LAThe pilot's failure to maintain aircraft control. A factor was the gusty wind.NTSB FTW96LA231Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe pilot's failure to maintain control of the airplane.NTSB 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.NTSB 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.NTSB FTW95FA047Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G-164B · Wisner, LAThe pilot's failure to maintain minimum required airspeed for flight. A factor was the pilot's lack of total experience in the type of aircraft.NTSB FTW95LA009Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Oak Grove, LAThe pilot misjudged clearance from the vehicle.NTSB FTW94LA270Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Shreveport, LAThe pilot's incapacitation due to a heart attack.NTSB FTW94FA262Accident · 1 fatalField investigationFinal reportGrumman G-164B · Henderson, LAThe pilot's failure to maintain clearance from a known object.NTSB FTW94FA241Accident · 1 fatalField investigationFinal reportSchweizer G-164B · Foules, LAThe pilot's failure to maintain obstacle clearance.NTSB 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.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 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 FTW92LA144Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Mamou, LAThe engine failure for undetermined reasons. A factor was the lack of suitable terrain onto which the ensuing forced landing could be executed.NTSB FTW92LA090Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Roanoke, LAThe locking of the main landing gear brakes.NTSB 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.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 FTW90DRD08Accident · No injuriesFinal reportSchweizer G-164B · Basile, LAThe pilot's inadequate evaluation of the weather information. A related factor to the accident was the tailwind.NTSB FTW90DRD05Accident · No injuriesFinal reportSchweizer G-164B · Reeves, LALoss of engine power due to a frozen rocker arm.NTSB FTW90DRD04Accident · No injuriesFinal reportGrumman G-164B · Fenton, LAFailure of the elevator control rod end bearing.NTSB FTW89DRD08Accident · Minor injuriesFinal reportSchweizer G-164B · Kaplan, LALoss of engine power due to a cracked cylinder.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 FTW88DRD19Accident · No injuriesFinal reportSchweizer G-164B · Catahoula, LAThe ag airplane was being utilized to scare birds away from the rice fields. It was 15 feet AGL when the engine backfired and quit. The airplane collided with the terrain and burned. The engine and engine accessories were so destroyed by fire that nothing…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 FTW88DRD05Accident · No injuriesFinal reportGrumman G-164B · Bastrop, LAThe plt said he was spreading rice when he noticed the oil pressure was decreasing & the prop was beginning to feather. With no other place to go, he landed in a plowed field. Shortly after touchdown, the acft nosed over to an inverted position. An exam…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 FTW86LRD16Accident · No injuriesFinal reportGrumman G-164B · Abbeville, LAThe pilot stated he made a successful forced landing, due to loss of power, and then had to flip the aircraft to prevent colliding with a lateral (above ground irrigation system) with a water depth of about four feet. Subsequent engine examination revealed…NTSB FTW84LA349Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tallulah, LAAfter applying seven (7) loads of chemicals the pilot landed and loaded both fuel and chemicals. After takeoff he completed one swath run and was just starting the second run when he allowed the wheels to contact the crop. The load was not jettisoned and the…