NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, 1992
21 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A. 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
| 1971 | 1 |
|---|---|
| 1972 | 11 |
| 1973 | 15 |
| 1974 | 22 |
| 1975 | 31 |
| 1976 | 41 |
| 1977 | 38 |
| 1978 | 41 |
| 1979 | 35 |
| 1980 | 25 |
| 1981 | 25 |
| 1982 | 22 |
| 1983 | 19 |
| 1984 | 24 |
| 1985 | 14 |
| 1986 | 12 |
| 1987 | 18 |
| 1988 | 22 |
| 1989 | 23 |
| 1990 | 11 |
| 1991 | 17 |
| 1992 | 21 |
| 1993 | 17 |
| 1994 | 12 |
| 1995 | 19 |
| 1996 | 15 |
| 1997 | 8 |
| 1998 | 10 |
| 1999 | 7 |
| 2000 | 2 |
| 2001 | 6 |
| 2002 | 5 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 10 |
| 2006 | 5 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 4 |
| 2010 | 1 |
| 2011 | 6 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
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 year(c.\"eventDate\") = 1992
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952801'))
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 year(c."eventDate") = 1992
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952801'))
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 CHI92DEP04Accident · Minor injuriesFinal reportGrumman 164A · Elkhorn, WIThe pilot-in-command's inadequate compensation for wind conditions.NTSB FTW92DRD05Accident · Minor injuriesFinal reportGrumman G-164 · Thibodaux, LAThe pilot's failure to maintain clearance from the wires.NTSB FTW92DPG12Accident · No injuriesFinal reportGrumman G-164A · Mc Crory, ARThe pilots failure to maintain directional control.NTSB SEA92LA167Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Shelby, MTThe poor decision by the pilot to make an aerial application turn around manuever under power lines and his failure to maintain clearance from the power lines.NTSB FTW92DPG06Accident · No injuriesFinal reportGrumman G-164A · Swifton, ARLoss of engine power. A factor was the lack of suitable terrain for forced landing.NTSB SEA92LA142Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Paul, IDLoss of engine power for undetermined reasons and aircraft control not possible by the pilot in command. A factor contributing to the accident was: rough/uneven terrain.NTSB LAX92LA274Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Tulare, CAAn inflight hopper compartment fire due to the incompatibility of the chemical loads, and, the failure of the operator follow the cautionary directives of the chemical manufacturer.NTSB ATL92LA130Accident · Minor injuriesLimited investigationFinal reportGrumman 164A · Abbeville, ALThe pilot's failure to see and avoid the top utility wire.NTSB CHI92DTG03Accident · No injuriesFinal reportGrumman G-164A · Orr, NDA stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery.NTSB ATL92LA124Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Ft. Gaines, GAThe pilot's inadequate preflight planning/preparation.NTSB SEA92LA125Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Coulee City, WAA loss of engine power for undetermined reasons. Factors include soft terrain.NTSB NYC92LA102Accident · No injuriesLimited investigationFinal reportGrumman 164A · Bridgeton, NJThe pilot's improper application of takeoff power which resulted in a lengthened takeoff roll, and his subsequent steep turn to avoid an obstacle causing the airplane to stall at a low altitude.NTSB FTW92LA148Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Oil Trough, ARThe pilot's selection of unsuitable terrain for takeoff.NTSB 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 FTW92LA130Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Fisher, ARThe loss of complete engine for undetermined reasons. A factor was the low altitude and unsuitable terrain.NTSB FTW92LA116Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Welsh, LAPartial power loss due to the cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB FTW92LA094Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Garwood, TXThe loss of engine power due to rocker arm failure. A factor was the unsuitable terrain.NTSB FTW92LA085Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Valley Mills, TXPower loss due inadequate maintenance and the resultant multiple maintenance discrepancies. A factor was the wet terrain.NTSB FTW92LA078Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Gillette, ARThe unsuitable terrain selected by the pilot.NTSB LAX92LA131Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Vernalis, CAThe operator's failure to properly comply with an airworthiness directive affecting the second-stage turbine wheel assembly. Contributing to this accident was the uncontained failure of the second-stage turbine wheel and the rough/uneven terrain.NTSB LAX92LA110Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Greenfield, CAThe pilot's failure to maintain adequate altitude during an intentionally performed low altitude flight in mountainous terrain. Contributing factors related to the pilot's visual perception of the canyon area because of changes in the ambient lighting…