# NTSB investigations: Lycoming VO-435 series, VA

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 IAD76DID20](https://openairdocs.org/ntsb/IAD76DID20.md): Bell 47G-2 · Chesapeake, VA · Accident · No injuries · Closed · Feb 4, 1976 · N2823B · Destroyed
- [NTSB IAD75FID21](https://openairdocs.org/ntsb/IAD75FID21.md): Bell 47G4 · Creeds, VA · Accident · Minor injuries · Closed · May 23, 1975 · N7764 · Destroyed
- [NTSB IAD74FID36](https://openairdocs.org/ntsb/IAD74FID36.md): Bell 47G-2 · Norfolk, VA · Accident · Minor injuries · Closed · May 1, 1974 · N6752D · Destroyed
- [NTSB NYC72DID28](https://openairdocs.org/ntsb/NYC72DID28.md): Bell 47G-2A · Covington, VA · Accident · Minor injuries · Closed · May 9, 1972 · N73264 · Substantial damage
- [NTSB NYC67A0053](https://openairdocs.org/ntsb/NYC67A0053.md): Bell Carson · Richmond, VA · Accident · Minor injuries · Closed · Sep 25, 1966 · N866Z · Substantial damage
- [NTSB NYC66A0111](https://openairdocs.org/ntsb/NYC66A0111.md): Bell 47G-2 · Bayside, VA · Accident · Serious injuries · Closed · Apr 4, 1966 · N6752D · Substantial damage
- [NTSB NYC65A0151](https://openairdocs.org/ntsb/NYC65A0151.md): Bell 47G-2A · Denbigh, VA · Accident · No injuries · Closed · Jun 19, 1965 · N73961 · No 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" = 'VA' 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=VA

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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.