NTSB investigations: Grumman G-164A, 1993
4 cases on aircraft the registry lists as Grumman 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
| 1966 | 2 |
|---|---|
| 1967 | 3 |
| 1968 | 4 |
| 1969 | 21 |
| 1970 | 12 |
| 1971 | 17 |
| 1972 | 21 |
| 1973 | 25 |
| 1974 | 26 |
| 1975 | 34 |
| 1976 | 30 |
| 1977 | 23 |
| 1978 | 20 |
| 1979 | 21 |
| 1980 | 8 |
| 1981 | 10 |
| 1982 | 9 |
| 1983 | 9 |
| 1984 | 13 |
| 1985 | 6 |
| 1986 | 9 |
| 1987 | 7 |
| 1988 | 7 |
| 1989 | 4 |
| 1990 | 13 |
| 1991 | 7 |
| 1992 | 4 |
| 1993 | 4 |
| 1994 | 4 |
| 1995 | 2 |
| 1996 | 4 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 5 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 1 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 3 |
| 2018 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 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 year(c.\"eventDate\") = 1993
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952704'))
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") = 1993
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952704'))
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 ATL93LA134Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Ashford, ALThe failure of the engine supercharger assembly, which resulted in a loss of engine power. A factor was the trees at the forced landing site.NTSB FTW93LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Weiner, ARPartial power loss due to improper installation of the linkage control bracket. A factor was the lack of suitable terrain for the forced landing.NTSB FTW93LA156Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Trumann, ARPilot's failure to maintain terrain clearance. A factor was the diverted attention of the pilot.NTSB LAX93LA098Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lost Hills, CAThe pilot's inability to maintain directional control during the landing roll out due to a binding left brake master cylinder.