# NTSB investigations: Lycoming 0-435, WY

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 DEN99LA008](https://openairdocs.org/ntsb/DEN99LA008.md): Stinson 108-3 · Jackson Hole, WY · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 1998 · N569C · Destroyed
  > The pilot's inability to maintain adequate airspeed which resulted in an inadvertent stall/mush. Factors contributing to the accident were the unfavorable weather condition, mountain wave and the high density altitude.
- [NTSB DEN82FTC09](https://openairdocs.org/ntsb/DEN82FTC09.md): Bell 47G-3B-L · Kaycee, WY · Accident · 1 fatal · Final report · Aug 8, 1982 · N8529F · Destroyed
  > The pilot was having cooling fan problems, some blades had broken. He landed in a canyon stayed overnight to cool engine and planned to fly to top of the canyon to get repairs. After takeoff, the helicopter had climbed almost level with the top of the canyon…

## 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" = 'WY' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41516'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41516&state=WY

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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.