# NTSB investigations: Grumman G-164A: Airframe/component/system failure/malfunction

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB FTW04LA164](https://openairdocs.org/ntsb/FTW04LA164.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Jun 17, 2004 · N6567 · Substantial damage
  > The separation of the right main landing gear wheel and axle during take-off. Contributing factors were the fatigue of the bolts on the right main landing gear and the rough and uneven terrain.
- [NTSB DEN02LA081](https://openairdocs.org/ntsb/DEN02LA081.md): Grumman G-164A · Two Buttes, CO · Accident · No injuries · Limited investigation · Final report · Jul 24, 2002 · N5416 · Substantial damage
  > the failure of the right main landing wheel master brake cylinder and the subsequent inadvertent ground loop during the landing roll by the pilot.
- [NTSB FTW94LA214](https://openairdocs.org/ntsb/FTW94LA214.md): Grumman G-164A · Coy, AR · Accident · No injuries · Limited investigation · Final report · Jun 24, 1994 · N5321 · Substantial damage
  > The separation of the landing gear due to failure of the landing gear axle bolts.
- [NTSB ATL90LA171](https://openairdocs.org/ntsb/ATL90LA171.md): Grumman G-164A · Americus, GA · Accident · No injuries · Limited investigation · Final report · Sep 14, 1990 · N7905 · Destroyed
  > A low cycle fatigue failure of the left main landing gear spring.
- [NTSB LAX86FVA03](https://openairdocs.org/ntsb/LAX86FVA03.md): Schweizer G164A · Wasco, CA · Accident · Minor injuries · Final report · Mar 7, 1986 · N946X · Substantial damage
  > The acft went off the left side of rwy during a downwind landing. The ag plts made a practice of landing downwind to speed up turn-around time. They relied on their brakes to maintain control. The acc acfts brake pads were worn and the rt brake was fluid…
- [NTSB DEN85LA173](https://openairdocs.org/ntsb/DEN85LA173.md): Grumman G-164A · Deming, NM · Accident · No injuries · Limited investigation · Final report · Jun 22, 1985 · N5337 · Substantial damage
  > The plt told FAA he was spraying a cotton field and was turning around from a swath run when the propeller feathered. The plt told NTSB that the acft 'pitched upward and lost power.' Acft type certificate shows that a hamilton standard propeller m/n…
- [NTSB DEN84LA224](https://openairdocs.org/ntsb/DEN84LA224.md): Grumman G-164A · Richey, MT · Accident · No injuries · Limited investigation · Final report · Jul 15, 1984 · N6589 · Destroyed
  > The plt had finished spraying & was proceeding to the glendive arpt. He said that eng or prop began a sudden severe vibration which required the eng to be shut down. An emegency landing was made. The plt stated that the left wing impacted a hill which spun…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952704')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952704&occurrence=130

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