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

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 CEN09CA522](https://openairdocs.org/ntsb/CEN09CA522.md): Grumman Acft ENG Cor-Schweizer G-164A · Evansville, WI · Accident · No injuries · Data collection · Final report · Aug 12, 2009 · N9794 · Substantial damage
  > A jam of the elevator flight control for undetermined reasons.
- [NTSB CHI92DEP04](https://openairdocs.org/ntsb/CHI92DEP04.md): Grumman 164A · Elkhorn, WI · Accident · Minor injuries · Final report · Aug 31, 1992 · N48635 · Destroyed
  > The pilot-in-command's inadequate compensation for wind conditions.
- [NTSB CHI91DEP12](https://openairdocs.org/ntsb/CHI91DEP12.md): Schweizer G-164-A · Elkhorn, WI · Accident · No injuries · Final report · Aug 20, 1991 · N48635 · Substantial damage
  > The pilot in command's failure to maintain adequate altitude.
- [NTSB CHI88DEP11](https://openairdocs.org/ntsb/CHI88DEP11.md): Grumman-Schweizer G-164A · Plover, WI · Accident · No injuries · Final report · Aug 17, 1988 · N8495 · Substantial damage
  > The aircraft collided with a farm machinery shed during an aerial application maneuver. The pilot stated that there was no powerplant or control malfunction. The temperature at the accident site was 87 degrees (f), with a calculated density altitude of 2944…

## 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" = 'WI' 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=WI

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