# Final NTSB investigations: Lycoming 0-435A/0-435C, ND

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 CHI05CA043](https://openairdocs.org/ntsb/CHI05CA043.md): Bellanca 14-19 · Williston, ND · Accident · No injuries · Data collection · Final report · Dec 10, 2004 · N6563N · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the takeoff roll. A contributing factorwas the approach light.
- [NTSB DEN86LA035](https://openairdocs.org/ntsb/DEN86LA035.md): Stinson 108-1 · Beulah, ND · Accident · No injuries · Limited investigation · Final report · Nov 30, 1985 · N8143K · Substantial damage
  > During a landing at dusk on a snow covered rwy, the acft encountered deep snow and nosed over onto its back. The plt stated that after touchdown, he realized that there was aprx one ft of snow on the rwy and was unable to make a go-around.
- [NTSB MKC72FTG21](https://openairdocs.org/ntsb/MKC72FTG21.md): Stinson 108-1 · Williston, ND · Accident · Serious injuries · Closed · May 21, 1972 · N8639K · 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" = 'ND' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41517&state=ND&status=final

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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.
