NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, 1994
12 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\") = 1994
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") = 1994
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 ATL95LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jakin, GAThe loss of engine power for undetermined reasons.NTSB CHI94LA292Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Clifton, ILthe pilots failure to keep visual contact with and to avoid unmarked powerlines adjacent to the crop field he was spraying.NTSB ATL94LA152Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Vanceboro, NCThe pilot's improper use of wheel brakes.NTSB FTW94LA211Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dumas, ARThe pilot's failure to establish the proper airspeed before beginning a turn after takeoff.NTSB LAX94LA247Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Bakersfield, CAThe in-flight fire due to the spontaneous combustion of sulfur dust and subsequent forced landing. A factor was the high temperature.NTSB ATL94GA111Accident · No injuriesFinal reportGrumman G-164A · Savannah, GAThe pilot's improper landing flare which resulted in a hard landing. A factor was the operators failure to provide a formal emergency dump procedure.NTSB FTW94LA174Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Stuttgart, ARWas the pilots failure to maintain terrain clearance.NTSB FTW94LA145Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · El Campo, TXThe partial loss of engine power due to one magneto being weak and the other magneto arcing inside its case. A factor was the lack of suitable terrain for the forced landing.NTSB CHI94LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Alexandria, NEThe pilot's failure to maintain clearance with wires.NTSB FTW94LA142Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lindon, COInaccurate preflight planning and preparation for the flight. A factor was soft terrain on the landing strip.NTSB CHI94LA106Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Sublette, KSthe commercial pilot's failure to maintain clearance from terrain. Related factors are sun glare and rising terrain.NTSB LAX94LA099Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Davis, CAwas that the pilot misjudged the airplane's altitude during the swath run.