NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, 1989
14 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
| 1976 | 4 |
|---|---|
| 1977 | 16 |
| 1978 | 24 |
| 1979 | 13 |
| 1980 | 23 |
| 1981 | 23 |
| 1982 | 14 |
| 1983 | 17 |
| 1984 | 16 |
| 1985 | 5 |
| 1986 | 8 |
| 1987 | 11 |
| 1988 | 11 |
| 1989 | 14 |
| 1990 | 14 |
| 1991 | 13 |
| 1992 | 10 |
| 1993 | 14 |
| 1994 | 18 |
| 1995 | 14 |
| 1996 | 7 |
| 1997 | 4 |
| 1998 | 11 |
| 1999 | 9 |
| 2000 | 9 |
| 2001 | 10 |
| 2002 | 7 |
| 2003 | 1 |
| 2004 | 6 |
| 2005 | 6 |
| 2006 | 7 |
| 2007 | 2 |
| 2008 | 6 |
| 2009 | 4 |
| 2010 | 13 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 6 |
| 2024 | 4 |
| 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\") = 1989
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 year(c."eventDate") = 1989
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 LAX90DVG02Accident · No injuriesFinal reportSchweizer G-164B · Knights Landing, CAThe failure of the right main Landing gear due to a sheared bolt that attached the spring leg to the gear.NTSB MIA89TL#07Accident · No injuriesClass 3Final reportGrumman G-164B · Mims, FLNTSB MKC89LA170Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Portland, AREngine failure due to failure of an engine cylinder.NTSB SEA89LA138Accident · No injuriesLimited investigationFinal reportGrumman 164B · Hermiston, ORThe airport owners failure to mark a hidden hazard.NTSB LAX89DVA08Accident · No injuriesFinal reportSchweizer G-164B · Livingston, CAThe pilot's decision to attempt a takeoff on unsuitable terrain. A factor was the water on the airstrip.NTSB FTW89DRA08Accident · Minor injuriesFinal reportGrumman-Schweizer G-164B · Anahuac, TXFailure of the supercharger bearing. The dirt bank was a contributing factor.NTSB DEN89LA160Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Holden, UTThe pilot's misjudgement of the effect of high density altitude on a heavily loaded aircraft.NTSB MKC89LA148Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Stockville, NETotal failure of the powerplant caused by a broken cylinder.NTSB FTW89DRD08Accident · Minor injuriesFinal reportSchweizer G-164B · Kaplan, LALoss of engine power due to a cracked cylinder.NTSB MKC89LA134Accident · No injuriesLimited investigationFinal reportGrumman G164 · Brinkley, ARThe failure of the aircraft engine due to water contamination. The pilot executed a landing in a flooded rice field which did not permit a successful landing.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 FTW89DRA06Accident · No injuriesFinal reportGrumman G-164B · Lissie, TXA bird strike which resulted in foreign object damage to the engine compressor. A berm and the lack of suitable terrain for a forced landing were contributing factors.NTSB LAX89DVA05Accident · Serious injuriesFinal reportGrumman G-164B · Westley, CAA loss of engine power for undetermined reasons. A factor related to the accident was the proximity of obstructions.NTSB MKC89LA070Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Griffithville, ARThe failure of the pilot to assure suitable terrain was being used for the landing.