NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, 1998
10 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\") = 1998
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") = 1998
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 ATL98LA128Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Goodway, ALThe pilot's continued approach into known adverse weather which resulted in the pilot's loss of control, and subsequent inflight collision with terrain. A factor was the weather conditions.NTSB CHI98LA301Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · La Moure, NDa loss of engine power due to undetermined reasons.NTSB LAX98LA255Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Nelson, CAThe pilot's failure to maintain an adequate ground clearance altitude while applying chemicals to a rice field.NTSB LAX98LA240Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Tracy, CAThe failure of the pilot to maintain an adequate clearance with the telephone wires.NTSB FTW98LA292Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Lubbock, TXThe loss of engine power due to the collapsed of the engine induction air ducting. Factors were the inadequate maintenance inspection and the lack of suitable terrain for the pilot to execute the forced landing.NTSB FTW98LA258Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Lazbuddie, TXThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.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 CHI98LA230Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Red Lake Falls, MNa locked brake for undetermined reasons.NTSB CHI98LA114Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Benton, MOan engine fire for undetermined reasons.NTSB ATL98LA055Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Marianna, FLThe failure of maintenance personnel to secure the magneto cover that resulted in water contamination and the subsequent loss of engine power. A factor was rough and uneven terrain.