# NTSB investigations: Lycoming VO-435 series, TN

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 ATL05CA161](https://openairdocs.org/ntsb/ATL05CA161.md): Bell 47G-3B · Summerville, TN · Accident · Minor injuries · Data collection · Final report · Sep 15, 2005 · N8483E · Substantial damage
  > The pilot's failure to maintain adequate clearance and adequate visual lookout during take-off which resulted in an in-flight collision with a tree and roll over.
- [NTSB IAD77FKW27](https://openairdocs.org/ntsb/IAD77FKW27.md): Bell 47G2A · Jamestown, TN · Accident · Serious injuries · Closed · Aug 15, 1977 · N2880B · Substantial damage
- [NTSB MIA70D0053](https://openairdocs.org/ntsb/MIA70D0053.md): Bell 47G-5 · Hampton, TN · Accident · Serious injuries · Closed · Jul 5, 1969 · N7841S · Destroyed
- [NTSB MIA67A0084](https://openairdocs.org/ntsb/MIA67A0084.md): Bell 47G-2 · Donelson, TN · Accident · No injuries · Closed · Feb 14, 1967 · N6746D · 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" = 'TN' 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 ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&state=TN

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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.