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

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 DEN01LA163](https://openairdocs.org/ntsb/DEN01LA163.md): Grumman-Schweizer G-164A · Parowan, UT · Accident · No injuries · Limited investigation · Final report · Sep 27, 2001 · N9925 · Substantial damage
  > the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/mush into terrain. Contributing factors were the pilot's diverted attention, the rising terrain, and the high density altitude weather condition.
- [NTSB DEN81DTM40](https://openairdocs.org/ntsb/DEN81DTM40.md): Grumman AG-CAT · Park Valley, UT · Accident · No injuries · Closed · Jul 14, 1981 · N5397 · Substantial damage
- [NTSB DEN78FTM15](https://openairdocs.org/ntsb/DEN78FTM15.md): Grumman G164A · Park City, UT · Accident · No injuries · Closed · Mar 13, 1978 · N48599 · Substantial damage

## 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" = 'UT' 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=UT

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.