NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, 1994
18 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\") = 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 ('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") = 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 ('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 FTW95FA047Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G-164B · Wisner, LAThe pilot's failure to maintain minimum required airspeed for flight. A factor was the pilot's lack of total experience in the type of aircraft.NTSB FTW95LA009Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Oak Grove, LAThe pilot misjudged clearance from the vehicle.NTSB MIA94LA218Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Greenwood, MSThe improper decision of the pilot to execute a precautionary landing to an unprepared field due to a supercharger shaft failure.NTSB FTW94LA270Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Shreveport, LAThe pilot's incapacitation due to a heart attack.NTSB FTW94LA266Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Matagorda, TXA power loss due to cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB FTW94FA262Accident · 1 fatalField investigationFinal reportGrumman G-164B · Henderson, LAThe pilot's failure to maintain clearance from a known object.NTSB FTW94FA241Accident · 1 fatalField investigationFinal reportSchweizer G-164B · Foules, LAThe pilot's failure to maintain obstacle clearance.NTSB SEA94LA193Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Wilder, IDThe failure of the left brake master cylinder and the pilot's inadequate remedial action when the aircraft collided with an embankment during an intentional ground loop.NTSB CHI94DCA02Accident · Minor injuriesFinal reportSchweizer G-164B · Harviell, MOthe separation of the oil supply line to the propeller governor, which resulted in the propeller inadvertently going into feather. Factors were the pilots intentional ground loop of the airplane to avoid impacting obstructions at the end of the runway.NTSB FTW94LA187Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Carlisle, ARThe loss of engine power for undetermined reason. A factor ws the lack of suitable terrain at the pilot's disposal for the forced landing.NTSB FTW94LA178Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Antonito, COThe pilot's improper compensation for wind conditions. A factor was the gusty crosswind and the pilot inadvertently becoming lost.NTSB FTW94LA177Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Casscoe, ARThe inadvertent stall and power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB ATL94LA104Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Memphis, TNThe pilot's failure to maintain clearance from the earthen dike during the swath run.NTSB LAX94LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Robbins, CAThe pilot's improper use of the brakes.NTSB ATL94LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Ozark, ALA loss of engine power for undetermined reasons. A factor was the soft terrain.NTSB SEA94LA092Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Levan, UTThe left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over.NTSB LAX94LA155Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Chico, CAthe failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.NTSB SEA94LA072Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Walla Walla, WAUnsuitable terrain for a forced landing after a loss of power due to a failed engine cylinder. Factors include a partial magneto failure.