# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, OR

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 WPR24LA165](https://openairdocs.org/ntsb/WPR24LA165.md): Grumman Acft ENG Cor-Schweizer G-164A · Rome, OR · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2024 · N9853 · Substantial damage
  > The pilot’s failure to maintain airplane control during landing.
- [NTSB WPR15LA106](https://openairdocs.org/ntsb/WPR15LA106.md): Grumman Acft ENG Cor-Schweizer G 164A · Alfalfa, OR · Accident · No injuries · Limited investigation · Final report · Feb 18, 2015 · N4863 · Substantial damage
  > A total loss of engine power after takeoff for reasons that could not be determined, because examination of the engine did not reveal any mechanical anomalies that would have precluded normal operation.
- [NTSB SEA04LA139](https://openairdocs.org/ntsb/SEA04LA139.md): Grumman G-164A · Nyssa, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 2004 · N7220 · Substantial damage
  > The failure (fracture) of the number four cylinder head during an aerial application run. Factors include the soft crop-covered terrain.
- [NTSB SEA89LA096](https://openairdocs.org/ntsb/SEA89LA096.md): Schweizer G-164 · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N8768H · Substantial damage
  > Failure and separation of the left main landing wheel.
- [NTSB SEA84LA097](https://openairdocs.org/ntsb/SEA84LA097.md): Grumman G-164A · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Apr 28, 1984 · N4897 · Substantial damage
  > During a beginning swath run, the plt was making a left skidding turn to follow the edge of a circular field. He stated that the acft encountered a downdraft which raised the right wing. Subsequently, the left wing contacted the ground & the acft crashed.
- [NTSB SEA82DA058](https://openairdocs.org/ntsb/SEA82DA058.md): Grumman G-164A · S. Of Echo, OR · Accident · No injuries · Final report · Apr 25, 1982 · N4897 · Substantial damage
  > During a spray run the pilot experienced a power loss. After pulling up to 100 feet AGL and turning 90 degrees the engine ceased to operate. The pilot completed a forced landing in a nearby soft wheat field and after rolling approximately 300 feet the…
- [NTSB SEA77DYK15](https://openairdocs.org/ntsb/SEA77DYK15.md): Grumman G-164A · Klamath Falls, OR · Accident · Minor injuries · Closed · Jun 16, 1977 · N6662Q · Destroyed

## 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."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA'
  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
```

This list as a web page: https://openairdocs.org/ntsb?model=3952801&state=OR

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